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06-03-2019, 08:08 PM
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#1 |
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Senior Member
 Join Date: Aug 2003
Location: Conyers,Ga.
Posts: 7,288
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70 Carb ?
Can anyone tell me if a 70 model truck with a 350 engine has only the metal gasket under the carburetor?
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06-04-2019, 12:39 AM
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#2 |
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Senior Member
Join Date: Jan 2007
Location: Turlock, CA
Posts: 8,803
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Re: 70 Carb ?
My 1970 350 has the original q-jet with a 1/4" heat insulating gasket. Not sure if it's original though. It's fairly old.
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Please help my sister in law with her battle with cancer https://gofund.me/902f6fce Thank you all so far you are angels!! Project "C10 Fever" (68 factory black 396 swb) Project "Little Sister" (70 c10 blue original paint refresh) Project "Blue Bomb" (70 c30 blue original paint refresh) SOLD Project "Vitamin C" (71 c10 orange original paint refresh) SOLD |
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06-04-2019, 06:54 AM
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#3 | |
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Registered User
Join Date: Dec 2015
Location: Albuquerque
Posts: 773
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Re: 70 Carb ?
Quote:
Should have the 1/4 inch thick gasket between the carb and the manifold to prevent the carb from getting too hot and boiling the fuel.
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My Paypal address is: http://paypal.me/KFerguson66 72 K20 Cheyenne Super My "re-build" thread http://67-72chevytrucks.com/vboard/s...?t=710221&goto Thread for my Reproduction Jack Bags http://67-72chevytrucks.com/vboard/s...d.php?t=715455 |
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06-04-2019, 02:28 PM
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#4 |
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Registered User
Join Date: Feb 2011
Location: Parkville, MD
Posts: 1,024
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Re: 70 Carb ?
I've been researching this since I replaced my carb gasket on Friday. The preferred gasket is about 1/4" thick with an open center. Fel-Pro 60249 is what I used.
You will need to look at the intake manifold. I heard there are some manifolds that have a heat vent port that require the metal gasket and a standard gasket on the top and bottom of the metal gasket.
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1970 C20 Custom Camper - 350, TH350 1997 GMC Suburban 1994 Acura Integra GSR 1987 Dodge Daytona Shelby Z |
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06-04-2019, 05:13 PM
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#5 |
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Senior Member
Join Date: Aug 2003
Location: Conyers,Ga.
Posts: 7,288
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Re: 70 Carb ?
Thanks for the response. I think that will get us on the right track
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06-04-2019, 05:42 PM
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#6 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,749
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Re: 70 Carb ?
Some info here plus pics of the intake with the hot slot that needs a metal gasket.
https://www.corvetteforum.com/forums...d-problem.html |
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06-05-2019, 06:30 AM
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#7 |
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Registered User
Join Date: Feb 2011
Location: Parkville, MD
Posts: 1,024
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Re: 70 Carb ?
Good post. Lars Grimsrud knows his stuff. Just about any time I'm looking for Q-Jet stuff, I find one of his posts.
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1970 C20 Custom Camper - 350, TH350 1997 GMC Suburban 1994 Acura Integra GSR 1987 Dodge Daytona Shelby Z |
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