Home » Public Forums » GMCnet » [GMCnet] Value added for the Howell/GM EFI
| [GMCnet] Value added for the Howell/GM EFI [message #334130] |
Thu, 28 June 2018 01:45  |
BobDunahugh
Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA
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Paint looks great. Replaced all bumpers. 6 KYB shocks. Rear suspention. Serviced, cleaned, and painted along with the inter fender wells. New frig, Suburban furnace, Magic Chef cook top, Carrier roof A/C, and all new cushions/seats front to back. 455 compression # 150 to 155psi. That's new engine numbers. So with all of this. And there's a lot more to get done. I'm thinking that the EFI is a must option to have in a GMC that I want to sell in Sept. Rear disc brakes is another option that I'm thinking of. Bob Dunahugh
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| Re: [GMCnet] Value added for the Howell/GM EFI [message #334132 is a reply to message #334130] |
Thu, 28 June 2018 06:15  |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
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Bob,
When can I bring my coach and park it where you'll have to look at it every
day, so you'll be compelled to make IT "like new" again?
Ken H.
On Thu, Jun 28, 2018 at 2:46 AM Bob Dunahugh wrote:
> Paint looks great. Replaced all bumpers. 6 KYB shocks. Rear suspention.
> Serviced, cleaned, and painted along with the inter fender wells. New frig,
> Suburban furnace, Magic Chef cook top, Carrier roof A/C, and all new
> cushions/seats front to back. 455 compression # 150 to 155psi. That's new
> engine numbers. So with all of this. And there's a lot more to get done.
> I'm thinking that the EFI is a must option to have in a GMC that I want to
> sell in Sept. Rear disc brakes is another option that I'm thinking of. Bob
> Dunahugh
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] Value added for the Howell/GM EFI [message #334139 is a reply to message #334138] |
Thu, 28 June 2018 10:49 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
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Rather than attempt to reconcile the EFI this'n'that argument, why not
stick with a tried & true carb. While not optimal, it leaves the
reconciliation to the new owner, who MAY have a strong preference.
Besides which, it knocks that much off of the sales price, always a good
thing.
JMHO,
Ken H.
On Thu, Jun 28, 2018 at 11:14 AM Justin Brady wrote:
> I agree EFI is essential.
> I would argue though that you should go with one of the newer ones like
> Fitech or MSD.
> Howell is awesome but for your average user the Fitech and similar are
> much easier to use and troubleshoot, it has a warranty and a tech line, new
> parts ready to overnight should something go wrong etc.
> Not to mention easier for you to install and setup, bolt it on, run a
> couple wires and call it a day.
>
> Just my opinion. (My flame suit is on awaiting angry rebuttals :d )
>
> --
> Justin Brady
> http://www.thegmcrv.com/
> 1976 Palm Beach 455
>
> _______________________________________________
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] Value added for the Howell/GM EFI [message #334140 is a reply to message #334139] |
Thu, 28 June 2018 11:16 |
Justin Brady
Messages: 769
Registered: April 2015
Location: Bell Buckle, TN
Karma: 11
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Ken,
That's a good point! I'm not sure if the EFI is going to add as much in value as it costs. For the fitech you're around 1500 and the howell 2500 that's a large chunk of change when most of these are not selling high regardless of condition.
It may be hard to recoup the spending.
Ken Henderson wrote on Thu, 28 June 2018 10:49Rather than attempt to reconcile the EFI this'n'that argument, why not
stick with a tried & true carb. While not optimal, it leaves the
reconciliation to the new owner, who MAY have a strong preference.
Besides which, it knocks that much off of the sales price, always a good
thing.
JMHO,
Ken H.
On Thu, Jun 28, 2018 at 11:14 AM Justin Brady wrote:
> I agree EFI is essential.
> I would argue though that you should go with one of the newer ones like
> Fitech or MSD.
> Howell is awesome but for your average user the Fitech and similar are
> much easier to use and troubleshoot, it has a warranty and a tech line, new
> parts ready to overnight should something go wrong etc.
> Not to mention easier for you to install and setup, bolt it on, run a
> couple wires and call it a day.
>
> Just my opinion. (My flame suit is on awaiting angry rebuttals  )
>
> --
> Justin Brady
> http://www.thegmcrv.com/
> 1976 Palm Beach 455
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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Justin Brady
http://www.thegmcrv.com/
1976 Palm Beach 455
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| Re: [GMCnet] Value added for the Howell/GM EFI [message #334141 is a reply to message #334130] |
Thu, 28 June 2018 11:21 |
BobDunahugh
Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA
Karma: 11
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Ken. Your in luck. 2 friends are coming over Sat AM to help me pour a concrete pad that's 12X75ft next to my shop. After it's down. I've got all the equipment to do the finish work. I'll make it REAL smooth for you. I'm really good at that job. Bob Dunahugh
________________________________
From: Bob Dunahugh
Sent: Thursday, June 28, 2018 1:45 AM
To: gmclist@list.gmcnet.org
Subject: Value added for the Howell/GM EFI
Paint looks great. Replaced all bumpers. 6 KYB shocks. Rear suspention. Serviced, cleaned, and painted along with the inter fender wells. New frig, Suburban furnace, Magic Chef cook top, Carrier roof A/C, and all new cushions/seats front to back. 455 compression # 150 to 155psi. That's new engine numbers. So with all of this. And there's a lot more to get done. I'm thinking that the EFI is a must option to have in a GMC that I want to sell in Sept. Rear disc brakes is another option that I'm thinking of. Bob Dunahugh
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| Re: [GMCnet] Value added for the Howell/GM EFI [message #334142 is a reply to message #334130] |
Thu, 28 June 2018 11:41 |
lqqkatjon
Messages: 2324
Registered: October 2010
Location: St. Cloud, MN
Karma: 5
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the only thing that is going to add value, is a good running coach. I don't think most potential buyers is going to really fuss if it has EFI or a carb, as long as it runs, drives and stops for the price. The market is flooded with coaches that have many issues.
Jon Roche
75 palm beach
EBL EFI, manny headers, Micro Level, rebuilt most of coach now.
St. Cloud, MN
http://lqqkatjon.blogspot.com/
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| Re: [GMCnet] Value added for the Howell/GM EFI [message #334143 is a reply to message #334139] |
Thu, 28 June 2018 11:42 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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If EFI units you mention ; like the MSD, and Fi Tech are that much better
than the Quadra Jet carbs that are rebuilt correctly and completly, then I
would be running it on my 403 Kinsly 78, but I run the Q Jet carb.
Should I decide to go for EFI, I will do the EBL/ Howell as it will give
the milage and performance as it gives full timing control that the others
cannot even touch.
If you understand that you'll see why.
We sell Fi Teck, MSD,Sniper and the rest, but they donot compare to the
EBL/Howll system.
On Thu, Jun 28, 2018 at 8:49 AM, Ken Henderson
wrote:
> Rather than attempt to reconcile the EFI this'n'that argument, why not
> stick with a tried & true carb. While not optimal, it leaves the
> reconciliation to the new owner, who MAY have a strong preference.
>
> Besides which, it knocks that much off of the sales price, always a good
> thing.
>
> JMHO,
>
> Ken H.
>
>
> On Thu, Jun 28, 2018 at 11:14 AM Justin Brady wrote:
>
>> I agree EFI is essential.
>> I would argue though that you should go with one of the newer ones like
>> Fitech or MSD.
>> Howell is awesome but for your average user the Fitech and similar are
>> much easier to use and troubleshoot, it has a warranty and a tech line,
> new
>> parts ready to overnight should something go wrong etc.
>> Not to mention easier for you to install and setup, bolt it on, run a
>> couple wires and call it a day.
>>
>> Just my opinion. (My flame suit is on awaiting angry rebuttals :d )
>>
>> --
>> Justin Brady
>> http://www.thegmcrv.com/
>> 1976 Palm Beach 455
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Value added for the Howell/GM EFI [message #334150 is a reply to message #334130] |
Thu, 28 June 2018 22:38 |
Rick Staples
Messages: 126
Registered: May 2014
Location: Johnstown, Colorado, USA
Karma: -1
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Bob,
Rear disc brakes are another "option" which won't return their cost. I live in Colorado and I'm not noted for driving slowly, but I've never wished I had rear discs. The stock drums (if in good condition) will stop just as fast as discs, just not over and over again in a short time. I try not to ride the brakes all the way down from the Divide, or make more than one screeching emergency stop per half hour. Plus, they have legal parking brakes (if properly adjusted). IMHO, all-wheel disc brakes are for people who tow in the mountains and forget to downshift. Or like to brag about them... 
Now a backup vacuum pump, that's really good idea.
My .02, YMMV
Rick Staples
Rick Staples, '75 Eleganza, Johnstown, CO
"Advice is a dangerous gift, even from the Wise to the Wise, and all paths may run ill." -Tolkien
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| Re: [GMCnet] Value added for the Howell/GM EFI [message #334155 is a reply to message #334150] |
Thu, 28 June 2018 23:41 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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Rick,
Apparently you have not tested our disk system.
Ours will out stop ay drum units and not fade out like the drum.
We spend time testing them, unlike our competition.
Those that have our system will back us up.
If you like I can explain why.
On Thu, Jun 28, 2018 at 8:38 PM, Richard H Staples
wrote:
> Bob,
> Rear disc brakes are another "option" which won't return their cost. I
> live in Colorado and I'm not noted for driving slowly, but I've never wished
> I had rear discs. The stock drums (if in good condition) will stop just
> as fast as discs, just not over and over again in a short time. I try not to
> ride the brakes all the way down from the Divide, or make more than one
> screeching emergency stop per half hour. Plus, they have legal parking
> brakes
> (if properly adjusted). IMHO, all-wheel disc brakes are for people who tow
> in the mountains and forget to downshift. Or like to brag about them...
> ;)
> Now a backup vacuum pump, that's really good idea.
> My .02, YMMV
> Rick Staples
> --
> Rick Staples, '75 Eleganza, Johnstown, CO
>
> "Advice is a dangerous gift, even from the Wise to the Wise, and all paths
> may run ill." -Tolkien
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Value added for the Howell/GM EFI [message #334157 is a reply to message #334130] |
Fri, 29 June 2018 00:14 |
 |
GMC2000
Messages: 193
Registered: March 2018
Location: Georgia
Karma: -3
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Senior Member |
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I havnt seen any EFI ones yet and just assume they would be on the higher end of the price scale because that seems like it would be the type of upgrade to do after everything else so one that had EFI would probably already have lots of other stuff.
I like carbs and EFI just depends on the purpose but on a GMC MH, I would rather have a carb because I know them pretty well and can either carry a complete spare or anything it may need incase of a problem with it for very little extra cost and weight.
EFI would be expensive and heavier to have a full set of back-up components but thats another point that I think should be considered.. depending on which EFI, how readily available will any given replacement part be out on the road? and then five years later?
I like the OEM TBI systems, I have had a few different types of factory EFI and the TBI has been the most trouble free. my truck ('88) has over 350,000 original miles, has the TBI and have never used any snake oil cleaners or anything and it still starts and runs great with the only EFI components failed were one fuel pump and one knock sensor in all those miles so I like TBI
a TBI upgrade with all OEM components would be my first choice on a GMC MH if I could not have a carb.
one like this: http://www.gmceast.com/technical/Swartzendruber_Generic_TBI_SlidesNotes.pdf
I would like Electronic Spark Control with a carb though and there are two carbs that were available with it, both quadrajets, one with primary metering control and the other with only a secondary accelerator pump control. oneday I want to experiment with both of these! but first just ESC and the OEM Q-jet
[Updated on: Fri, 29 June 2018 00:16] Report message to a moderator |
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| Re: [GMCnet] Value added for the Howell/GM EFI [message #334162 is a reply to message #334130] |
Fri, 29 June 2018 07:19 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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After the mechanical fuel pump comes off, the EFI isn't any heavier - I suspect it's (MSD Atomic) a pound or two lighter. It also starts instantly cold or hot. Past that, you pays your money and you takes your choice. A properly done carb doesn't crank quiote as quickly, and when heat soaked may take a bit to start, but beyond that there's little difference at the outset. However, just llike an analog audio chain, the carb begins to deteriorate the moment it's bolted on. Keep after it (not an onerous task) and it will perform for a long time.
Good rebuilds? Dick Patterson. Dollar Carburetor/electric. Unfortunately the old gent who used to set up my street Mopar stuff passed. An old NASCAR mechanic he was, and when he did an AFB oran ABS, it cranked hot or cold at a touch of the key, and ran like I'd stolen it. Gonna miss him.
The injection system is to a greater degree self - healing than the carb.
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] Value added for the Howell/GM EFI [message #334170 is a reply to message #334162] |
Fri, 29 June 2018 08:10 |
Will Albers
Messages: 183
Registered: November 2017
Location: Detroit MI (Belleville)
Karma: 2
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Senior Member |
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Re: stock carbs. Does anyone have an inexpensive carb from a 403 in need of
rebuild? I would like to use it to test, learn and improve my carb rebuild
knowledge.
The message that this knowledge is falling away scares me... I'd like to
keep it going.
On Fri, Jun 29, 2018 at 8:43 AM Johnny Bridges via Gmclist <
gmclist@list.gmcnet.org> wrote:
> After the mechanical fuel pump comes off, the EFI isn't any heavier - I
> suspect it's (MSD Atomic) a pound or two lighter. It also starts instantly
> cold or hot. Past that, you pays your money and you takes your choice. A
> properly done carb doesn't crank quiote as quickly, and when heat soaked
> may take a bit to start, but beyond that there's little difference at the
> outset. However, just llike an analog audio chain, the carb begins to
> deteriorate the moment it's bolted on. Keep after it (not an onerous
> task) and it will perform for a long time.
> Good rebuilds? Dick Patterson. Dollar Carburetor/electric.
> Unfortunately the old gent who used to set up my street Mopar stuff
> passed. An old
> NASCAR mechanic he was, and when he did an AFB oran ABS, it cranked hot or
> cold at a touch of the key, and ran like I'd stolen it. Gonna miss him.
> The injection system is to a greater degree self - healing than the carb.
>
> --johnny
> --
> 76 26' Eleganza(?) with beaucoup mods and add - ons.
> Braselton, Ga.
> "I forgive them all, save those who hurt the dogs. They must answer to me
> in hell" - ol Andy, paraphrased
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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1978 Palm Beach.
Detroit Michigan
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| Re: [GMCnet] Value added for the Howell/GM EFI [message #334191 is a reply to message #334170] |
Fri, 29 June 2018 11:10 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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Will,
To truly rebuild a carb, you need tools to re bush shafts as a start.
Not about just replacing parts.
Not worth our time to try to learn.
WE let people that work on them all the time to do those things as there is
better chance it will be done correctly.
On Fri, Jun 29, 2018 at 6:10 AM, Will wrote:
> Re: stock carbs. Does anyone have an inexpensive carb from a 403 in need of
> rebuild? I would like to use it to test, learn and improve my carb rebuild
> knowledge.
>
> The message that this knowledge is falling away scares me... I'd like to
> keep it going.
>
> On Fri, Jun 29, 2018 at 8:43 AM Johnny Bridges via Gmclist gmclist@list.gmcnet.org> wrote:
>
>> After the mechanical fuel pump comes off, the EFI isn't any heavier - I
>> suspect it's (MSD Atomic) a pound or two lighter. It also starts
> instantly
>> cold or hot. Past that, you pays your money and you takes your choice.
> A
>> properly done carb doesn't crank quiote as quickly, and when heat soaked
>> may take a bit to start, but beyond that there's little difference at the
>> outset. However, just llike an analog audio chain, the carb begins to
>> deteriorate the moment it's bolted on. Keep after it (not an onerous
>> task) and it will perform for a long time.
>> Good rebuilds? Dick Patterson. Dollar Carburetor/electric.
>> Unfortunately the old gent who used to set up my street Mopar stuff
>> passed. An old
>> NASCAR mechanic he was, and when he did an AFB oran ABS, it cranked hot
> or
>> cold at a touch of the key, and ran like I'd stolen it. Gonna miss him.
>> The injection system is to a greater degree self - healing than the carb.
>>
>> --johnny
>> --
>> 76 26' Eleganza(?) with beaucoup mods and add - ons.
>> Braselton, Ga.
>> "I forgive them all, save those who hurt the dogs. They must answer to
> me
>> in hell" - ol Andy, paraphrased
>>
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
_______________________________________________
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Value added for the Howell/GM EFI [message #334196 is a reply to message #334191] |
Fri, 29 June 2018 12:31 |
Will Albers
Messages: 183
Registered: November 2017
Location: Detroit MI (Belleville)
Karma: 2
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Senior Member |
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Very much understood Jim. The family business is Corvette restorations. We
send em out for rebuild as well, as it makes much more sense from a cost
stand point, but used to rebuild in house.
I'm curious to dissect to see what's different from a motorhome vs what we
have sitting on the shelves. I have no dependency to put it back on.
On Fri, Jun 29, 2018 at 12:11 PM Jim Kanomata wrote:
> Will,
> To truly rebuild a carb, you need tools to re bush shafts as a start.
> Not about just replacing parts.
> Not worth our time to try to learn.
> WE let people that work on them all the time to do those things as there is
> better chance it will be done correctly.
>
>
> On Fri, Jun 29, 2018 at 6:10 AM, Will wrote:
>
>> Re: stock carbs. Does anyone have an inexpensive carb from a 403 in need
> of
>> rebuild? I would like to use it to test, learn and improve my carb
> rebuild
>> knowledge.
>>
>> The message that this knowledge is falling away scares me... I'd like to
>> keep it going.
>>
>> On Fri, Jun 29, 2018 at 8:43 AM Johnny Bridges via Gmclist > gmclist@list.gmcnet.org> wrote:
>>
>>> After the mechanical fuel pump comes off, the EFI isn't any heavier - I
>>> suspect it's (MSD Atomic) a pound or two lighter. It also starts
>> instantly
>>> cold or hot. Past that, you pays your money and you takes your choice.
>> A
>>> properly done carb doesn't crank quiote as quickly, and when heat
> soaked
>>> may take a bit to start, but beyond that there's little difference at
> the
>>> outset. However, just llike an analog audio chain, the carb begins to
>>> deteriorate the moment it's bolted on. Keep after it (not an onerous
>>> task) and it will perform for a long time.
>>> Good rebuilds? Dick Patterson. Dollar Carburetor/electric.
>>> Unfortunately the old gent who used to set up my street Mopar stuff
>>> passed. An old
>>> NASCAR mechanic he was, and when he did an AFB oran ABS, it cranked hot
>> or
>>> cold at a touch of the key, and ran like I'd stolen it. Gonna miss
> him.
>>> The injection system is to a greater degree self - healing than the
> carb.
>>>
>>> --johnny
>>> --
>>> 76 26' Eleganza(?) with beaucoup mods and add - ons.
>>> Braselton, Ga.
>>> "I forgive them all, save those who hurt the dogs. They must answer to
>> me
>>> in hell" - ol Andy, paraphrased
>>>
>>>
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
>
>
>
> --
> Jim Kanomata
> Applied/GMC, Newark,CA
> jimk@appliedairfilters.com
> http://www.appliedgmc.com
> 1-800-752-7502
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
_______________________________________________
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1978 Palm Beach.
Detroit Michigan
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| Re: [GMCnet] Value added for the Howell/GM EFI [message #334210 is a reply to message #334130] |
Fri, 29 June 2018 15:34 |
BobDunahugh
Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA
Karma: 11
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Senior Member |
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I'm not selling this GMC that will be still in need of repair. When it leaves my drive. There will be no drought in my mind. ( I don't have that much mind to lose anymore ) That it will give someone years of trouble free service. And the fuel, and ignition systems are part of the possible problems. The Vitec is basically an electronic Q Jet. And can handle todays fuels better. The HEI distributor is out of date. As to the mileage/performance. Much comes by way of the distributor that's controlled by the ECM. So the Howell/GM is my choice. Cutting corners doesn't product a really good GMC. This one is going to be good. Bob Dunahugh
________________________________
From: Bob Dunahugh
Sent: Thursday, June 28, 2018 1:45 AM
To: gmclist@list.gmcnet.org
Subject: Value added for the Howell/GM EFI
Paint looks great. Replaced all bumpers. 6 KYB shocks. Rear suspention. Serviced, cleaned, and painted along with the inter fender wells. New frig, Suburban furnace, Magic Chef cook top, Carrier roof A/C, and all new cushions/seats front to back. 455 compression # 150 to 155psi. That's new engine numbers. So with all of this. And there's a lot more to get done. I'm thinking that the EFI is a must option to have in a GMC that I want to sell in Sept. Rear disc brakes is another option that I'm thinking of. Bob Dunahugh
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| Re: [GMCnet] Value added for the Howell/GM EFI [message #334241 is a reply to message #334130] |
Sat, 30 June 2018 07:51 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Senior Member |
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Now I got to go look closely. My coach has MSD Atomic and an MSD 'Flamethrower' distributor. Haven't chased the wires yet... there have been other concerns.
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] Value added for the Howell/GM EFI [message #334247 is a reply to message #334241] |
Sat, 30 June 2018 10:24 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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The Howel system is mainly the wiring and sensors.
The main thing is the EBL Flash ECM.
The Timing curve that was dedeloped by the GMC MH owners in the past just
for this application cannot begin to match it as there are couple dyno runs
done to back it up.
Should you understand the value of ignition timing, you'll see how this
along with all the data the EBL senses and integrates to give maximum
timing is what the EBL Flash is all about.
On Sat, Jun 30, 2018 at 5:51 AM, Johnny Bridges via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Now I got to go look closely. My coach has MSD Atomic and an MSD
> 'Flamethrower' distributor. Haven't chased the wires yet... there have
> been other
> concerns.
>
> --johnny
> --
> 76 26' Eleganza(?) with beaucoup mods and add - ons.
> Braselton, Ga.
> "I forgive them all, save those who hurt the dogs. They must answer to me
> in hell" - ol Andy, paraphrased
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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