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07-18-2007, 03:28 PM
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#26 |
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Registered User
Join Date: Apr 2000
Location: Chester County PA, USA
Posts: 1,228
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Re: Backfiring
Good eye jhow66. That will make a lean condition for sure.
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72 k/10 short wideside 72 k/5 Blazer 72 K/5 Blazer - obstacle course racer 72 custom/10 8' bed 70 K/5 Blazer 67 C-30 GMC Flat bed 86 GMC K2500 Plow Truck 85 GMC K3500 84 M1008 85 M1008 77 G30 Motor Home 72 Sears 12hp Tractor Glenmoore, Pennsylvania |
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07-18-2007, 04:00 PM
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#27 | |
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Semi-Senior Member
Join Date: Feb 2003
Location: Washington, MO
Posts: 390
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Re: Backfiring
Quote:
Even with the hose off, it will never keep a good running engine from idling or cause a hesitation.
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'68 50th Anniversery LWB Custom Fleetside, '77 305 v-8, turbo 350, factory speed alert (still works), '71 drivetrain w/front discs. Some call it ugly yellow, others call it Ochre '83 Jeep CJ-7, <80,000 miles, original owner '04 Chevy Suburban, 4x4, 2500, 6.0 ltr, Predator Diablo programmer '95 GMC K1500 Extended cab |
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07-18-2007, 04:28 PM
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#28 |
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I'M TRUCK CRAZY!
Join Date: Oct 2006
Location: Sachse, TEXAS
Posts: 1,737
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Re: Backfiring
If you still want the rebuild kit you will probably have to take the carburetor off and bring it to AZ. There are numbers on it in a few places. They will have to cross-reference those numbers until they find a carb rebuild kit for it. I work there. (part time)
Last edited by LOW DOUGH; 07-18-2007 at 04:28 PM. |
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07-18-2007, 04:39 PM
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#29 |
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Registered User
Join Date: Jun 2007
Location: oregon
Posts: 1,069
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Re: Backfiring
Check for sure that if you put the correct gasket under that carb. I rebuilt a Quadra years ago and used one of the 15 gaskets in the kit that was wrong!!! Changed it and it cured it. Spray carb cleaner around the bottom of carb at idle and if it smooths out, you have a leak.
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07-18-2007, 04:47 PM
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#30 |
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I'M TRUCK CRAZY!
Join Date: Oct 2006
Location: Sachse, TEXAS
Posts: 1,737
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Re: Backfiring
I think you can get a base gasket in the chrome aisle (maybe aisle4) also known as the aisle with all the other stuff you don't need like.... Oh I don't even want to say (rice burner stuff). It would be a Mr. Gasket one I think. Gasket between intake and carb
Last edited by LOW DOUGH; 07-18-2007 at 04:47 PM. |
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07-18-2007, 09:32 PM
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#31 | |
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Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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Re: Backfiring
Quote:
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56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer |
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07-19-2007, 06:34 AM
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#32 | |
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Semi-Senior Member
Join Date: Feb 2003
Location: Washington, MO
Posts: 390
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Re: Backfiring
Quote:
I was remembering small blockness, maybe even newer big block models. It will operate the vacuum motor that draws intake air from the pipe that drops down to the exhaust manifold shroud. On small blocks, it will go to a temp sensor mounted in the air cleaner, which regulates vacuum to the motor mounted in the snorkel of the air cleaner housing. Still won't affect idle much on a good running engine. Sorry for the incorectness...
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'68 50th Anniversery LWB Custom Fleetside, '77 305 v-8, turbo 350, factory speed alert (still works), '71 drivetrain w/front discs. Some call it ugly yellow, others call it Ochre '83 Jeep CJ-7, <80,000 miles, original owner '04 Chevy Suburban, 4x4, 2500, 6.0 ltr, Predator Diablo programmer '95 GMC K1500 Extended cab |
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07-19-2007, 09:51 AM
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#33 |
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Account Suspended
Join Date: Sep 2005
Location: Monroe, WA
Posts: 3,815
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Re: Backfiring
Pyro, are you posting the same question under another thread?
http://67-72chevytrucks.com/vboard/s...d.php?t=250187 |
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