I have a 1968 CHEVY SB Intake Manifold with the numbers 919803. Is it a 3919803? - Chevelle Tech
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post #1 of 3 (permalink) Old Sep 20th, 07, 6:03 PM Thread Starter
 
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I have a 1968 CHEVY SB Intake Manifold with the numbers 919803. Is it a 3919803?

I tried the engine section but no luck. My mint Intake came off my 65 Nova 283 Sedan and I would like to know what it fits? Last week I got some replys on Team Chevelle that it was a 3919803 for engines 250-283-327-350. How the heck does a 919803 1968 Intake Manifold turn out to be a 3919803..? Where does the 3 come from in front? Still learning at age 62..!

Thanks alot
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post #2 of 3 (permalink) Old Sep 21st, 07, 10:09 AM
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Re: I have a 1968 CHEVY SB Intake Manifold with the numbers 919803. Is it a 3919803?

Not common, but occasionally a casting number will be left off.

TC Gold #92 ~ August 1998
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post #3 of 3 (permalink) Old Sep 21st, 07, 10:13 AM
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Re: I have a 1968 CHEVY SB Intake Manifold with the numbers 919803. Is it a 3919803?

From what I can find, the 3919803 manifold is the only cast iron 4bbl intake Chevy used on 327 and 350 in 1968, so yours must be that intake. Why the 3 doesn't show up on it isn't something I can answer. Maybe some of the were cast that way just to save space on the intake.
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