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Revcon to GMC front end [message #116764]

Sun, 27 February 2011 11:06

hertfordnc

Messages: 1164
Registered: September 2009
Location: East NC

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This was mentioned briefly in the thread about parting out another GMC.

The original Revcon Front end is all Toro. Later models used a custom I-beam assembly but not mine

It's all Toro right out the the five lug hub. Wheel adapters are used to accommodate truck rims.

So the question is, what would it take to put GMC hubs,knuckles, rotors, etc on a stock Toronado?

Dave & Ellen Silva Hertford, NC 76 Birchaven, 1-ton and other stuff Currently planning the Great american Road Trip Summer 2021 It's gonna take a lot of Adderall to get this thing right.

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Re: Revcon to GMC front end [message #116765 is a reply to message #116764]

Sun, 27 February 2011 11:17

C Boyd

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Registered: April 2006

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hertfordnc wrote on Sun, 27 February 2011 12:06

I think you would also need the beefed up control arms. The lower ball joint has a different taper also.

C. Boyd
76 Crestmont
East Tennessee

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Re: [GMCnet] Revcon to GMC front end [message #116769 is a reply to message #116764]

Sun, 27 February 2011 12:41

980

Messages: 192
Registered: July 2010
Location: United States

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When I was shopping, I looked at a (I think it was an '84) Revcon right before I looked at my first GMC. I did a lot of research about them because this one was only $7K and looked pretty decent. I liked a number of things about the Revcon but it those custom lower control arms were one of the things that put me off. They looked exotic and complicated, I didn't want to have to fabricate one someday. They also looked like they rode awfully low. I walked away with the impression that they'd come off a train engine.

The Revcons do look kinda cool for a big SOB but now that I have a GMC and I've experienced a lot with it I'm happy with my decision. 26' is a good size and I'm able to put it in places most people don't expect. There's also no comparison to the support here.

DC
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Re: [GMCnet] Revcon to GMC front end [message #116773 is a reply to message #116769]

Sun, 27 February 2011 13:14

hertfordnc

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Location: East NC

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The 84 is a different animal.

When GM stopped putting a big V8 in the Toronado, Revcon made their own FWD system with custom and 4wd components. It sounds like a nightmare to maintain.

My Revcon is all Toro but I want to convert it GMC if possible.

I don't think the Hubler system is necessary as the coach is much lighter.

Dave & Ellen Silva Hertford, NC 76 Birchaven, 1-ton and other stuff Currently planning the Great american Road Trip Summer 2021 It's gonna take a lot of Adderall to get this thing right.

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Re: [GMCnet] Revcon to GMC front end [message #116774 is a reply to message #116773]

Sun, 27 February 2011 13:25

WD0AFQ

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Registered: November 2004
Location: Dexter, Mo.

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I don't think the Hubler system is necessary as the coach is much lighter.

[/quote]

Dave, you may very well be right, I do not know. But, I bet it would be hard to beat the price on the Hubler. And, you would never have to worry about it again.
Dan,
who has never looked under a flatnose frontend

3 In Stainless Exhaust Headers One Ton All Discs/Reaction Arm 355 FD/Quad Bag/Alum Radiator Manny Tran/New eng. Holley EFI/10 Tire Air Monitoring System Solarized Coach/Upgraded Windows Satelite TV/On Demand Hot Water/3Way Refer

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Re: [GMCnet] Revcon to GMC front end [message #116779 is a reply to message #116764]

Sun, 27 February 2011 14:19

Ken Henderson

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Registered: March 2004
Location: Americus, GA

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Dave,

Since we can use the control arms and knuckles from Toro, with
reinforcements, and knuckle boring for the ball joints, seems to me you
should be able to use the A-arms and everything attached to them from the
GMC.

Ken H.

On Sun, Feb 27, 2011 at 12:06 PM, dave silva <admin@oldrv.net> wrote:

>
> ...
> So the question is, what would it take to put GMC hubs,knuckles, rotors,
> etc on a stock Toronado?
>
>
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Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach

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Re: Revcon to GMC front end [message #116800 is a reply to message #116764]

Sun, 27 February 2011 17:14

Matt Colie

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Registered: March 2007
Location: S.E. Michigan

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hertfordnc wrote on Sun, 27 February 2011 12:06

This was mentioned briefly in the thread about parting out another GMC.

The original Revcon Front end is all Toro. Later models used a custom I-beam assembly but not mine.

It's all Toro right out the the five lug hub. Wheel adapters are used to accommodate truck rims.

So the question is, what would it take to put GMC hubs,knuckles, rotors, etc on a stock Toronado?

Dave,

First, I would have to know what you are looking to improve, but I would start by telling you that Dave Lensi is of the belief that the only problem with the almost all Toro front end on the GMC is the front bearing lubrication and he has a fix for that.

So, if I were in your position (which I am not by any stretch), I would get in touch with Dave and ask if he will do his set of mods on your knuckles and hubs.

I would like to have him do mine. Yes the cost is not that different than a Hubbler mod, but I still can't afford either.

Dreaming is free.

Matt

Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit

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Re: Revcon to GMC front end [message #116832 is a reply to message #116800]

Sun, 27 February 2011 18:35

hertfordnc

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Location: East NC

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mcolie wrote on Sun, 27 February 2011 17:14

First, I would have to know what you are looking to improve, but I would start by telling you that Dave Lensi is of the belief that the only problem with the almost all Toro front end on the GMC is the front bearing lubrication and he has a fix for that.

The goal is to change the hubs and rotors from Toro five lug to GMC 8-lug.

Maybe that's all I need to change?

Dave & Ellen Silva Hertford, NC 76 Birchaven, 1-ton and other stuff Currently planning the Great american Road Trip Summer 2021 It's gonna take a lot of Adderall to get this thing right.

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Re: Revcon to GMC front end [message #116834 is a reply to message #116764]

Sun, 27 February 2011 18:41

WD0AFQ

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Registered: November 2004
Location: Dexter, Mo.

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Why do you want to change them? Maybe I missed that part Dave. If it is availability, go grab a few before they all leave the junk yards.
dan

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Re: Revcon to GMC front end [message #116848 is a reply to message #116834]

Sun, 27 February 2011 19:29

hertfordnc

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Registered: September 2009
Location: East NC

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The Revcon wheels are pretty rare- 16.5" five lug on eight inch pattern.

So if you get a blow out and mangle a rim you have very limited options.

The rear tires (not duals) are 16.5 x 12.5 - equally scarce.

So, changing the hubs to the much more common 8-lug pattern allows the use of much more common 16" rims and tires.

Dave & Ellen Silva Hertford, NC 76 Birchaven, 1-ton and other stuff Currently planning the Great american Road Trip Summer 2021 It's gonna take a lot of Adderall to get this thing right.

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Re: [GMCnet] Revcon to GMC front end [message #116859 is a reply to message #116832]

Sun, 27 February 2011 19:58

USAussie

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Registered: July 2007
Location: Sydney, Australia

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Dave,

As far as I know to fit a Toronado knuckle on a GMC the only thing you have
to do re-taper the lower ball joint stud hole in the Toronado knuckle.

The hubs are interchangeable.

The problem is you are assuming that the hubs and knuckles on the GMC you
are looking at parting out are serviceable. If they are not serviceable you
will need rebuilt knuckles and hubs.

Disclaimer: I do not know if the prices are current!

http://www.bdub.net/lenzi/index.html#Hub

http://www.bdub.net/lenzi/index.html#Knuckle

If your Revcon or GMC knuckles are serviceable you could buy, beg, borrow,
or steal this tool from Jim K to install the zerk in them.

http://www.appliedgmc.com/prod.itml/icOid/835

Here's a link to Gene Fishers website that provides all kinds of info
regarding the front suspension:

http://gmcmotorhome.info/front.html#front%20bearing

Regards,
Rob M.
USAussie - Downunder
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426

-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of dave silva
Sent: Monday, February 28, 2011 11:36 AM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Revcon to GMC front end

The goal is to change the hubs and rotors from Toro five lug to GMC 8-lug.

Maybe that's all I need to change?

--
Dave & Ellen Silva

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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: Revcon to GMC front end [message #116872 is a reply to message #116848]

Sun, 27 February 2011 21:51

fred v

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Location: pensacola, fl.

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hertfordnc wrote on Sun, 27 February 2011 19:29

you cannot use just any 16" rim. this has been discussed at length here.

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

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Re: Revcon to GMC front end [message #116891 is a reply to message #116872]

Mon, 28 February 2011 04:48

hertfordnc

Messages: 1164
Registered: September 2009
Location: East NC

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fred v wrote on Sun, 27 February 2011 21:51

you cannot use just any 16" rim. this has been discussed at length here.

Sure, but according to http://gmcmotorhome.info/wheels.html there are more than a few choices.

The Revcon wheels are absolute orphans. I think the sole source Revcon Vendor get $400 apiece. No body is making new ones.

Dave & Ellen Silva Hertford, NC 76 Birchaven, 1-ton and other stuff Currently planning the Great american Road Trip Summer 2021 It's gonna take a lot of Adderall to get this thing right.

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Re: Revcon to GMC front end [message #116917 is a reply to message #116891]

Mon, 28 February 2011 10:35

cbwoodsr

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Registered: February 2004

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Senior Member

The F029587's that I got from them are NOT 'bell' shaped..
In discussion with them(email)

FWIW

CBWood
77 Kingslay
MWC OK
ONLINE PARTS PROGRAM
www.GMCMHParts.com

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