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08-18-2016, 12:37 AM
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#1 |
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Registered User
Join Date: Mar 2001
Location: Nashville, Tennessee
Posts: 225
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1969 C-20 396 Intake Casting Number
I have searched online to no avail for the intake manifold casting number that would have been on a 1969 C-20 396. All I have found so far are casting numbers for cars of similar vintage. Can someone point me in the right direction? Thanks!
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08-18-2016, 12:11 PM
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#2 |
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Registered User
Join Date: Jul 2010
Location: MD
Posts: 1,937
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Re: 1969 C-20 396 Intake Casting Number
Only one casting that year. #3933163 ... a 396 intake is a 396 intake.
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1969 c-10 Step Side Long Bed. I-6 250cid =  = 1969 Pontiac GTO hard top. 400, 4-speed.
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08-18-2016, 04:37 PM
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#3 |
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Registered User
Join Date: Mar 2001
Location: Nashville, Tennessee
Posts: 225
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Re: 1969 C-20 396 Intake Casting Number
That casting is not a truck Q-jet cast iron manifold
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08-18-2016, 05:01 PM
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#4 |
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Registered User
Join Date: Aug 2006
Location: Redmond, WA
Posts: 6,332
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Re: 1969 C-20 396 Intake Casting Number
My best guess is 3866961 for 66-69 396 truck.
That's the -only- number I can find that says 396 truck without being raised deck (366,427). https://www.rapidomarine.com/default..._castings.aspx
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1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible |
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08-18-2016, 07:11 PM
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#5 |
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Registered User
Join Date: Mar 2016
Location: Puyallup, WA
Posts: 235
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Re: 1969 C-20 396 Intake Casting Number
My 69 C/20 with a 350 came with a 68 drivers side exhaust manifold. So it is possible that you could have a older big block intake.
Casting numbers. http://outintheshop.com/faq/casting/castings2.html Last edited by Custom/20; 08-18-2016 at 07:20 PM. |
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08-18-2016, 08:34 PM
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#6 |
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Registered User
Join Date: May 2016
Location: Pa
Posts: 1,278
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Re: 1969 C-20 396 Intake Casting Number
3883948 if your truck block is a 68 block and not a later 69 block
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IT IS WHAT IT IS Last edited by jr1000yarder; 08-18-2016 at 10:23 PM. |
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08-18-2016, 08:39 PM
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#7 | |
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Registered User
Join Date: May 2016
Location: Pa
Posts: 1,278
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Re: 1969 C-20 396 Intake Casting Number
Quote:
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IT IS WHAT IT IS |
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08-18-2016, 09:07 PM
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#8 |
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Registered User
Join Date: Jul 2016
Location: Newport Heights, CA
Posts: 1,000
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Re: 1969 C-20 396 Intake Casting Number
My 1969 C30 Longhorn 396 motor has 3931067. I was told it's stock and original, but it translates to 325 L-35.
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Glenn 1960 Burro Corvair/VW Buggy - Factory made in Santa Ana, Ca 1929 Ford Model A Roadster - traditional pre-war banger hot rod |
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08-18-2016, 09:32 PM
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#9 |
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Registered User
Join Date: May 2016
Location: Pa
Posts: 1,278
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Re: 1969 C-20 396 Intake Casting Number
You have a picture of your carb springs on that set up?
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IT IS WHAT IT IS |
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08-18-2016, 10:07 PM
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#10 | |
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Registered User
Join Date: Jul 2016
Location: Newport Heights, CA
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Re: 1969 C-20 396 Intake Casting Number
Quote:
 Posted via Mobile Device Posted via Mobile Device
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Glenn 1960 Burro Corvair/VW Buggy - Factory made in Santa Ana, Ca 1929 Ford Model A Roadster - traditional pre-war banger hot rod |
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08-18-2016, 10:11 PM
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#11 |
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Senior Member
 Join Date: Dec 2015
Location: Brooklet, Georgia
Posts: 831
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Re: 1969 C-20 396 Intake Casting Number
According to my book ("Car & Parts Catalog of Chevy V-8 Engine Casting Numbers 1955-93"), 3931067 is a '69 396 car and light truck cast iron oval port with Q-jet. I have found 3883948 to be '68 car and light truck cast iron oval port with Q-jet. Both of these are high rise intakes.
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08-18-2016, 10:23 PM
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#12 |
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Registered User
Join Date: May 2016
Location: Pa
Posts: 1,278
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Re: 1969 C-20 396 Intake Casting Number
That sounds right Eagle
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08-18-2016, 10:25 PM
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#13 |
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Registered User
Join Date: May 2016
Location: Pa
Posts: 1,278
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Re: 1969 C-20 396 Intake Casting Number
Ghalperin, what spring is on the front of the carb. I believe mine to be incorrect. ...
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IT IS WHAT IT IS |
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08-20-2016, 12:57 PM
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#14 |
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Registered User
Join Date: Mar 2001
Location: Nashville, Tennessee
Posts: 225
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Re: 1969 C-20 396 Intake Casting Number
Thanks for the replies. I'll probably just get a 3931067 intake. For some reason I was thinking the truck intake was different for some reason.
Posted via Mobile Device
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08-20-2016, 01:09 PM
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#15 | |
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Registered User
Join Date: Aug 2006
Location: Redmond, WA
Posts: 6,332
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Re: 1969 C-20 396 Intake Casting Number
Quote:
I can get you the number right off my factory 1970 unit, but that's newer than you want, I think.
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1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible |
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08-20-2016, 01:29 PM
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#16 | |
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Registered User
Join Date: Jul 2016
Location: Newport Heights, CA
Posts: 1,000
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Re: 1969 C-20 396 Intake Casting Number
Quote:
 Posted via Mobile Device Posted via Mobile Device
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Glenn 1960 Burro Corvair/VW Buggy - Factory made in Santa Ana, Ca 1929 Ford Model A Roadster - traditional pre-war banger hot rod |
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08-20-2016, 06:01 PM
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#17 | |
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Registered User
Join Date: May 2013
Location: Albuquerque, NM
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Re: 1969 C-20 396 Intake Casting Number
Quote:
Posted via Mobile Device |
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