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Re: [GMCnet] Road Wonder [message #109860 is a reply to message #109821] Mon, 27 December 2010 06:34 Go to previous messageGo to next message
Steven Ferguson is currently offline  Steven Ferguson   United States
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Mike,
We'll get to gether in Quartzsite. I'll bring some dirty clothes and we'll
take a hard look at everything.
Did SpecTrack check your rear bogey pins? A lot of problems in the front
can be caused by something in the rear
. A good approach to correcting the problems on anything this old is to
start with the theory that everything is worn out. Most of the front
suspension components are from automobiles and are doing double duty
compared to what they were originally designed for, and all have a limited
life span. You've gotten a lot of good advice here so do what you can
before Quartzsite and we'll go from there.

On Sun, Dec 26, 2010 at 5:40 PM, Michael <radioactive626@msn.com> wrote:

>
>
> Just got back from a camping trip in the GMC. 99.9% problem free. Which is
> a huge success for us! lol
> Have a question for the experts about road wonder.
> A little history....I can't describe this well but I'll try my best. I HAD
> horrible steering. I mean to the point it was simply dangerous to drive
> this. It was all over the road. Took it to Spectrac (a suspension company
> for those not in AZ) and it needed a front bearings and (1) knuckle. They
> also said my gear box was way, way over tight they corrected it.
> Much of the problem ended and its much safer to drive. But highway driving
> in the GMC is something I'd rather never have to do. I avoid it at all cost
> if possible.
> The GMC bounces, sways, swags and seems like a marshmallow driving on the
> highway. It kinda feels like the steering and body want to do go two
> different directions at times. Big trucks air pushes me really bad, even a
> large pickup trucks air can do it as well (not a bad of course)
> It seems to be a endless game of steer to the left, steer to the right.
> Then the body rolls to the left the body rolls to the right.
> I have my air ride disconnected and Spectrac taught me how to set the ride
> height using the frame in the back behind the tires. I've checked it, double
> checked it, ran it alittle high on the airbags, and it alittle low it
> doesn't seem to be related.
> I have used 80lbs of air in the tires, 70 lbs and its the same.
> It has new KYB shocks I installed from one of the gmc sites they mailed
> them to me so Im sure they are the correct ones. Spectrac said the rear
> bearings were fine.
> I did notice that when driving straight if I move the wheel to the left or
> right it has a good amount of play. But keep in mind I've never really drove
> anything from this era.
> Just not sure what to check!? Any ideas???!
> --
> 1973 23' Sequoia-
> Michael, Casa Grande, AZ
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--
Steve Ferguson
Sierra Vista, AZ
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Re: Road Wander [message #109864 is a reply to message #109821] Mon, 27 December 2010 08:49 Go to previous messageGo to next message
RadioActiveGMC is currently offline  RadioActiveGMC   United States
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Steve I'm not going to Quartsite but will be in Pinal Co Fairgrounds in Jan. Your still planning on going??? When it "Quartsite" I looked on the Jet Setters site but didn't see anything.
Rob M. Don't know what to write!~ THANK YOU! Not sure I'm qualified to do all that but heck I've been learning a lot and will give it a try!
You guys have given me a lot of great info. I'm going to try to collect some info as I move ahead here and report back with the findings.

***"Gettin There"-1973 23' Sequoia- Michael, Onans smell, "Go solar/wind power!"

[Updated on: Mon, 27 December 2010 09:12]

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Re: Road Wonder [message #109866 is a reply to message #109831] Mon, 27 December 2010 08:59 Go to previous messageGo to next message
fred v is currently offline  fred v   United States
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Mr.RadioActive wrote on Sun, 26 December 2010 19:47

I'm going to try to correct the tire pressure cause now that you all are saying this is does make sense.
Its hard to describe but now that I'm thinking about it it does fell like bouncy bounce tires and steering to correct it makes it "hula hula"! Spectrac said they did the cost effective fixes (I did tell them I was on a budget) but implied more could be done.
I hope to see Steve F in Casa Grande in January. If the bouncy bounce stuff doesn't get better with tire pressure I may ask him if he could drive it or look at it and give me advise. I've never driven another GMC before so I don't know what a correct one feels like. But I'm 99% sure my GMC is not driving correctly. Its much better then in the past but still "getting there"


someone said "the GMC was the best driving coach ever made and there is no reason it cannot be brought back to that condition".
there are a lot of parts that can have a little play that all adds up to a loose front end. also the center wheel pins can have play that will try to steer the rear end back and forth causing you to work the steering wheel.

Fred V
'77 Royale RB 455
P'cola, Fl

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Step by Step Procedure Was: Road Wonder [message #109867 is a reply to message #109854] Mon, 27 December 2010 09:01 Go to previous messageGo to next message
mike miller   United States
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Rob,

Very good write-up. I have captured the text and the picture. Everything is clear when you look at both. Also good for learning the names of the major parts.

This is something good that should be captured on the "info" web sites.

I plan on using your procedure to evaluate parts on all three of my coaches. The basic idea is (with in reason): 1) Best parts go on my current "using" coach. 2)second best parts go on the '73. 3) worse parts are used for cores to get new parts for my "long time keeper" coach.

Thanks a bunch!
Mike

Robert Mueller wrote on Sun, 26 December 2010 22:32

<<< snipped >>> ...

5) The following is a step by step procedure to check for play in the
steering system that could contribute to the amount of play in the steering
wheel starting at the bottom of the steering column and working your way out
to both the wheels. YES it is long and YES it's going to take you some time
to go through it but when you're done you will KNOW where there is play in
the system and how it is effecting your steering. You will note I have
instructed you to record the amount of relative motion of two areas quite
often throughout this procedure, you may find it easier to put your fingers
on the parts I've noted to feel the play. PLEASE BE careful not to get your
fingers pinched! If your assistant only moves the steering wheel an inch or
two each direction that is unlikely to happen but still be careful!

I have scanned and posted an annotated copy of the page out of the Parts
Book 78Z so you can locate each of the areas.

http://www.gmcmhphotos.com/photos/showphoto.php?photo=37249

The circled numbers on the photo relate to the step numbers in the text
below.

1) Have an assistant sit in the driver's seat and start the engine.

2) Open the driver's side hood

3) Direct your attention to the end of the Steering Column where the CV
joint attaches. Have your assistant turn the wheel a small amount (inch or
two) to the left and then back to the right. Watch/feel for relative motion
between the end of the steering column housing and the shaft. There is a
bearing/retainer/adapter (Ref 78Z Page 16-8/9 Keys 31/33/34) in the end of
the housing that if any of them failed it would allow the column to move.
Record your findings.

4) Direct your attention to the top and bottom of the CV joint below the end
of the steering column. Have your assistant move the steering wheel left and
right. Watch/feel for relative motion between the upper and lower section of
the CV joint. The top and bottom should rotate the same amount. If the top
and bottom do not move in unison that's play and depending on how much it
may be unacceptable. Record your findings.

5) Direct your attention to the Shaft assembly below the CV joint. Have your
assistant move the steering wheel left and right. Watch/feel for relative
motion between the blue section and the housing it slides into below it. If
the blue section moves inside the housing that's play and may be
unacceptable depending on how much it moves. Record your findings.

6) Direct your attention to the universal joint at the bottom of the housing
the blue shaft slides into. Have your assistant move the steering wheel left
and right. Watch/feel for relative motion between the upper and lower
sections of the universal joint. Once again the two sections should move in
unison. It is not uncommon for the bolt that holds the lower section to the
steering box spline not to be tight enough which allows the lower part to
move. Record your findings.

7) Direct your attention to the input shaft of Steering Box and output shaft
of the Steering Box that the Pitman Arm is attached to. Have your assistant
move the steering wheel left and right. Watch/feel for relative motion
between the input and output shaft of the steering box. They should move in
unison. Record your findings. Note: you may have to be under the GMC to
perform this step.

The following steps will have to be done from under the GMC. You may not be
able to crawl under it far enough to check the items properly without
jacking it up. If I am correct jack up the front end just high enough to
provide access leaving the tires in contact with the ground to provide
resistance to turning. As always use jack stands, make sure the GMC is in
Park, the hand brake is on and the rear wheels are chocked.

Cool Direct your attention to the Tie Rod End on the Drag Link that attaches
it to the Pitman arm. Have your assistant move the steering wheel left and
right. Watch/feel for lateral motion between ball/socket and the shaft of
the Tie Rod End. Record your findings.

9) Direct your attention to the Tie Rod End on the Drag Link that attaches
to the Relay Lever. Have your assistant move the steering wheel left and
right. Watch/feel for lateral motion between ball/socket and the shaft of
the Tie Rod End. Record your findings.

10) Direct your attention to the Relay Lever pivot point where it attaches
to the frame cross member. Have your assistant move the steering wheel left
and right. Watch/feel for relative motion between Relay Lever and the cross
member. Record your findings. Note: a worn pivot point will allow the Relay
Lever to move up and down on or rock front to back like a see saw.

11) Direct your attention to the ball and socket on the Relay Lever that
attaches it to the Relay Rod. Have your assistant move the steering wheel
left and right. Watch/feel for lateral motion between ball/socket and the
shaft. Record your findings.

12) Direct your attention to the ball and socket of the Tie Rod End on the
Tie Rod that connects the Relay Rod to the Driver Side Knuckle at the Relay
Rod end. Have your assistant move the steering wheel left and right.
Watch/feel for lateral motion between ball/socket and the shaft of the Tie
Rod End. Record your findings.

13) Direct your attention to the ball and socket on the Tie Rod end on the
Tie Rod that connects the Relay Rod to the Driver Side Knuckle at the Driver
Side Knuckle end. Have your assistant move the steering wheel left and
right. Watch/feel for lateral motion between ball/socket and the shaft of
the Tie Rod End. Record your findings.

14) Direct your attention to the bolt and bushing that attach the Idler Arm
to the frame cross member. Have your assistant move the steering wheel left
and right. Watch/feel for lateral motion between Idler Arm and the cross
member. Note: a worn Idler Arm bushing/bolt will rise and fall as the
steering wheel is turned left and right. Record your findings.

15) Direct your attention to the ball and socket on the end of the Idler Arm
that attaches to the Relay Rod. Have your assistant move the steering wheel
left and right. Watch/feel for lateral motion between ball/socket and the
shaft of the Tie Rod End.

16) Direct your attention to the ball and socket of the Tie Rod End on the
Tie Rod that connects the Relay Rod to the Passenger Side Knuckle at the
Relay Rod end. Have your assistant move the steering wheel left and right.
Watch/feel for lateral motion between ball/socket and the shaft of the Tie
Rod End. Record your findings.

17) Direct your attention to the ball and socket of the Tie Rod End on the
Tie Rod that attaches the Relay Rod to the Passenger Side Knuckle at the
Knuckle end. Have your assistant move the steering wheel left and right.
Watch/feel for lateral motion between ball/socket and the shaft of the Tie
Rod End. Record your findings.

Regards,
Rob M.
USAussie - Downunder

-----Original Message-----
<< snipped >>

Mike Miller -- Hillsboro, OR -- on the Black list
(#2)`78 23' Birchaven Rear Bath -- (#3)`77 23' Birchaven Side Bath
More Sidekicks than GMC's and a late model Malibu called 'Boo' http://m000035.blogspot.com

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Re: Road Wonder [message #109869 is a reply to message #109821] Mon, 27 December 2010 09:10 Go to previous messageGo to next message
fred v is currently offline  fred v   United States
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guys, did you notice that this is a 23' coach!!! these weigh 1000Lb. less than the 26' so his tire pressures are really high.

Fred V
'77 Royale RB 455
P'cola, Fl

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Re: Road Wander [message #109870 is a reply to message #109821] Mon, 27 December 2010 09:18 Go to previous messageGo to next message
RadioActiveGMC is currently offline  RadioActiveGMC   United States
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Fred I'm going to try the tire pressure to get started. To be honest my gut feeling is its something like that. I'm sure my front end isn't as tight as it should be, yet a few mechanics now have said it looks good. (not gmc mechanics but no one went OMG its horrible, I'm sure I have some wear at 68,000 miles) I've hd a buddy put it in the air and see if there was a lot of play. But he only did a very basic check heling me out.
Or its in the rear. Spectrac did look at the rear and said it was fine. And Jerry assured me he was a GMC specialist. But for some odd reason yet another gut feeling and it maybe unfair to type it on a web so take it for face value they seemed a little lazy. They knew I was trying to get work done on a budget, but they didn't seem to really go deep doing any inspection. I asked about the rear end and they said it looked just fine. But who knows! Perhaps it was my fault I did tell them try to keep the bill down and they respected that.

***"Gettin There"-1973 23' Sequoia- Michael, Onans smell, "Go solar/wind power!"

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Re: Road Wonder [message #109871 is a reply to message #109831] Mon, 27 December 2010 09:44 Go to previous messageGo to next message
George Beckman is currently offline  George Beckman   United States
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Mr.RadioActive wrote on Sun, 26 December 2010 17:47

I've never driven another GMC before so I don't know what a correct one feels like. But I'm 99% sure my GMC is not driving correctly. Its much better then in the past but still "getting there"


You are right to stay with this. GMCs can drive like a dream. Our 26 is beautiful at road speeds; as easy as our Accord. I can't tell you what I did, because I drove it home that way. I can tell you that changing from 16 1/2 to 16 tires made no difference. I run 70 in the front and 65 in back, which from the thread sounds a bit high, so that is not it. But stay with it because they don't all wander and wallow around.

How much side play is there in the back bogies?

'74 Eleganza, SE, Howell + EBL
Best Wishes,
George

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Re: [GMCnet] Road Wonder [message #109878 is a reply to message #109871] Mon, 27 December 2010 10:58 Go to previous messageGo to next message
hnielsen2 is currently offline  hnielsen2   United States
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Location: Alpine CA
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George and All;
We run the same way.
My wife and I drive ours at 65-70 one handed.
Susie likes it at around 60-65
Handles very well.
On the open road we drive one handed quite often.
We will switch over to Steve's bushings as soon as I get another project out
of the way.
74 Canyon Lands
Howell FI, Jim B's Cam , Roller Rockers with up graded push rods,
Patterson's Ignition, Dyno Shop.
Not Quite Stock.
This is the 26' Hot Rod with Plumbing!
All of this and still we get 9-10 MPG on the open road.
Thanks to input from the two Jim's
Happy New Year to All
Howard
Alpine CA

----- Original Message -----
From: "George Beckman" <gbeckman@pggp.com>
To: <gmclist@temp.gmcnet.org>
Sent: Monday, December 27, 2010 7:44 AM
Subject: Re: [GMCnet] Road Wonder


>
>
> Mr.RadioActive wrote on Sun, 26 December 2010 17:47
>> I've never driven another GMC before so I don't know what a correct one
>> feels like. But I'm 99% sure my GMC is not driving correctly. Its much
>> better then in the past but still "getting there"
>
>
> You are right to stay with this. GMCs can drive like a dream. Our 26 is
> beautiful at road speeds; as easy as our Accord. I can't tell you what I
> did, because I drove it home that way. I can tell you that changing from
> 16 1/2 to 16 tires made no difference. I run 70 in the front and 65 in
> back, which from the thread sounds a bit high, so that is not it. But
> stay with it because they don't all wander and wallow around.
>
> How much side play is there in the back bogies?
> --
> '74 Eleganza, SE, Howell + EBL
> Best Wishes,
> George

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Re: Road Wonder [message #109885 is a reply to message #109821] Mon, 27 December 2010 12:16 Go to previous messageGo to next message
RF_Burns is currently offline  RF_Burns   Canada
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Micheal,
I believe I have the same road wander as you.

So far:
- steering boxrebuilt twice, once from NAPA, Second time from Racemate
- new tie road ends
- new front stabilizer bar end links
- new Ferguson bushings
- new adjustable drag link
- New steering intermediate shaft
- New relay arm and idler arm twice
- First time fron Cinnibar
- Second units from Dave Lenzi
- New steering column bearing and adaptor
- rear idler arms pins and bushings
- new KYB shocks front and rear
- front end alignment 3 times
- 6 wheel alignemnt and hight adjustment (Cinnibar)
- True Track system added
- Rear bearings checked and repacked.

Its much better than when I bought it, but I would not say its anywhere near a one-hand steer. A number of of the steering parts were required for the initial Safety Check when I bought it.
Everything has made it maginally better. the most improvement was seen when I replaced the Cinnibar relay and Idler arms with Dave Lenzi units, and the steering box rebuild from Racemate.

Still feels like the back could be where my problem is, but maybe not, not much left to change... I've even changed the steering wheel! ..lol

Bruce Hislop
ON Canada
77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC.
1 ton front end
http://www.gmcmhphotos.com/photos/showphoto.php?photo=29001
My Staff says I never listen to them, or something like that

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Re: [GMCnet] Road Wonder [message #109891 is a reply to message #109885] Mon, 27 December 2010 12:49 Go to previous messageGo to next message
Charles is currently offline  Charles   United States
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Registered: January 2004
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Bruce,
If your back end is not loose( bad pins and bushings)
and rear alignment is straight then you need to consider
True Tracks on at least the mid wheels. That was
probably one of the best up grades I have done to my
coach. It looks like you have just about covered everything else.
Charles
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Charles Wersal
Duncanville, Texas
26 foot 1975 Glenbrook
Pandora's Box

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Re: Road Wander [message #109893 is a reply to message #109821] Mon, 27 December 2010 13:03 Go to previous messageGo to next message
RadioActiveGMC is currently offline  RadioActiveGMC   United States
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Ok, someone asked about alignment specs. Heres what Spectrac said...
LEFT BEFORE...
Camber + 1/2
Caster +1
Toe (blank)

LEFT After
Camber +1/2
Caster +1
Toe +1/16"

RIGHT Before...
Camber +1/4
Caster + 1 1/2

Right After....
Camber +1/4
Caster +1 1/2
Toe +1/16"

***"Gettin There"-1973 23' Sequoia- Michael, Onans smell, "Go solar/wind power!"

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Re: Road Wonder [message #109895 is a reply to message #109821] Mon, 27 December 2010 13:09 Go to previous messageGo to next message
RadioActiveGMC is currently offline  RadioActiveGMC   United States
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I forgot Spectrac did this service to my GMC....

Replaced..... Inner Seal, Right Frt Knuckle, Oil Seal, BCA Bearing x2

"replace wheel bearings at steer axle with new races. Replace spindle housing"

***"Gettin There"-1973 23' Sequoia- Michael, Onans smell, "Go solar/wind power!"

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Re: [GMCnet] Road Wander [message #109897 is a reply to message #109893] Mon, 27 December 2010 13:47 Go to previous messageGo to next message
James Hupy is currently offline  James Hupy   United States
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Michael, can we assume from those specs that you only had the front end
alingment? If so, there are 4 more wheels that need alignment also. The
difference between front end and total ( 6 wheel) is probably where your
problems lie. Just an educated guess on my part without being there.
Jim Hupy
Salem, Or
78 GMC Royale 403

On Mon, Dec 27, 2010 at 11:03 AM, Michael <radioactive626@msn.com> wrote:

>
>
> Ok, someone asked about alignment specs. Heres what Spectrac said...
> LEFT BEFORE...
> Camber + 1/2
> Caster +1
> Toe (blank)
>
> LEFT After
> Camber +1/2
> Caster +1
> Toe +1/16"
>
> RIGHT Before...
> Camber +1/4
> Caster + 1 1/2
>
> Right After....
> Camber +1/4
> Caster +1 1/2
> Toe +1/16"
> --
> 1973 23' Sequoia-
> Michael, Casa Grande, AZ
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Re: Road Wonder [message #109898 is a reply to message #109821] Mon, 27 December 2010 13:53 Go to previous messageGo to next message
RadioActiveGMC is currently offline  RadioActiveGMC   United States
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humm interesting. they said they did do a 6 wheel alignment but I dont see any info on the other 4 wheels. I think Im going to call them.
Just got off the phone with Jerry.... the owner and gmc guy...
Hes going to have a conference call with my service advisor and duscuss why the rear end isnt mentioned in my paperwork.

***"Gettin There"-1973 23' Sequoia- Michael, Onans smell, "Go solar/wind power!"

[Updated on: Mon, 27 December 2010 14:04]

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Re: [GMCnet] Road Wander [message #109902 is a reply to message #109897] Mon, 27 December 2010 14:28 Go to previous messageGo to next message
Byron Songer is currently offline  Byron Songer   United States
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How are the tires wearing on the rear? Visual and manual (with hand rubbing
over the tread all around) may reveal something.

Byron Songer
1978 Royale by Coachmen
Louisville, KY
Personal - http://web.me.com/bnsonger
Eastern States - http://www.gmceast.com



James Hupy wrote:

> Michael, can we assume from those specs that you only had the front end
> alingment? If so, there are 4 more wheels that need alignment also. The
> difference between front end and total ( 6 wheel) is probably where your
> problems lie. Just an educated guess on my part without being there.
> Jim Hupy
> Salem, Or
> 78 GMC Royale 403


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Former owner but still an admirer
GMC paint schemes at -
http://www.songerconsulting.net

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Re: Road Wonder [message #109904 is a reply to message #109821] Mon, 27 December 2010 14:40 Go to previous messageGo to next message
RadioActiveGMC is currently offline  RadioActiveGMC   United States
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To be honest I haven't noticed uneven wear on the tires at all front or back. I just changed them (they were dry rotted but showed no uneven wear).

***"Gettin There"-1973 23' Sequoia- Michael, Onans smell, "Go solar/wind power!"

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Re: Road Wonder [message #109906 is a reply to message #109895] Mon, 27 December 2010 15:12 Go to previous messageGo to next message
C Boyd is currently offline  C Boyd   United States
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Mr.RadioActive wrote on Mon, 27 December 2010 14:09

I forgot Spectrac did this service to my GMC....

Replaced..... Inner Seal, Right Frt Knuckle, Oil Seal, BCA Bearing x2

"replace wheel bearings at steer axle with new races. Replace spindle housing"






Sir: I would ask where they got the RF Knuckle. They are GMC only. The car ones appear to be the same except the lower ball joint hole is a different angle. I would also ask if the bearings came in a set with the spacer?

It seems the specs are the same before and after?? Maybe they didn`t do anything except put it on the machine?? I would have asked for 0 camber, 0 toe, and as much caster as he could get. In my opinion more caster would have helped.

C. Boyd
76 Crestmont
East Tennessee

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Re: [GMCnet] Road Wonder [message #109907 is a reply to message #109895] Mon, 27 December 2010 15:19 Go to previous messageGo to next message
USAussie is currently offline  USAussie   United States
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Location: Sydney, Australia
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G'day,

Anybody got any idea what Spectrac is talking about:

"BCA bearing x2"

Is BCA a brand?

"replace wheel bearings steer axle with new races."

steer axle = front wheels

I sure hope they didn't just change the races!

"Replace spindle housing"

HUH?

As far as I know the front wheel bearings and spacer come as a set and
Timken Set 23 are the "only" bearings to use.

I know of one long time GMC'er who had his bearings replaced with Japanese
ones only to have them both fail prematurely. IIRC it took out the hubs and
knuckles too.

Regards,
Rob M.
USAussie - Downunder


-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Michael
Sent: Tuesday, December 28, 2010 6:09 AM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Road Wonder

I forgot Spectrac did this service to my GMC....

Replaced..... Inner Seal, Right Frt Knuckle, Oil Seal, BCA Bearing x2

"replace wheel bearings at steer axle with new races. Replace spindle
housing"

--
1973 23' Sequoia-
Michael, Casa Grande, AZ
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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426

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Re: Road Wander [message #109908 is a reply to message #109821] Mon, 27 December 2010 15:35 Go to previous messageGo to next message
RadioActiveGMC is currently offline  RadioActiveGMC   United States
Messages: 1020
Registered: November 2010
Location: Hot AZ desert
Karma: 0
Senior Member
Mark at Spectrac wasn't as pleasant with this call to him as previous calls. For some reason he was really in "argue" mode. I asked him about the rear suspention and he said they didn't do align it. Anyway when I get a chance I'll have to bring it up there for them to check it which he said he would. But he did say "what then if it comes out in alignment" I said then atleast I'll know it is correct.
He tried over and over to blame it on me. But how he recalls our conversations in the past and how I recall them are totally different.

***"Gettin There"-1973 23' Sequoia- Michael, Onans smell, "Go solar/wind power!"

[Updated on: Mon, 27 December 2010 15:47]

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Re: [GMCnet] Road Wonder [message #109909 is a reply to message #109906] Mon, 27 December 2010 15:32 Go to previous messageGo to previous message
USAussie is currently offline  USAussie   United States
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
Senior Member
Chuck,

My thoughts exactly! I just sent a message asking about what Spectrac did.

Keep in mind that Michael's coach is a '73 and unless you fit offset
bushings in the upper control arms you ain't gonna get a lot of caster!

Regards,
Rob M.
USAussie - Downunder

-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Charles Boyd
Sent: Tuesday, December 28, 2010 8:13 AM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Road Wonder

Sir: I would ask where they got the RF Knuckle. They are GMC only. The
car ones appear to be the same except the lower ball joint hole is a
different angle. I would also ask if the bearings came in a set with the
spacer?

It seems the specs are the same before and after?? Maybe they didn`t do
anything except put it on the machine?? I would have asked for 0 camber, 0
toe, and as much caster as he could get. In my opinion more caster would
have helped.
--
C. Boyd
76 Crestmont by Midas
East Tennessee
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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426

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