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Need some numbers help "Please"

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Old Jan 9, 2002 | 11:30 AM
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Default Need some numbers help "Please"

Hey Guy`s
I have an intake on ebay and got asked what size the ports are. Can someone help? It is a stock cast intake from a 1976 L48. The cast number is 346249.

Thanks in advance
Bob
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Old Jan 9, 2002 | 11:48 AM
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Default Re: Need some numbers help "Please" (76 Red)

Another question
Is the exhaust outlet on the ram horns (manifolds) standard 2" ??
Thanks
Bob
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Old Jan 9, 2002 | 12:17 PM
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Default Re: Need some numbers help "Please" (76 Red)

In '75 the intakes were 151cc and the exhaust is 2". I believe the intake casting # is the same for '76.
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Old Jan 9, 2002 | 03:48 PM
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Default Re: Need some numbers help "Please" (KenSny)

Thanks Ken

Bob
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Old Jan 9, 2002 | 11:37 PM
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Default Re: Need some numbers help "Please" (76 Red)

That is a correct Number for a Intake Manifold, and Ken is correct that the same number was used for 75-77 for all 350 cu. in. (L-48 and L-82).

Also, as I understand it, all Exhaust Manifolds were 2" Rams horns, with the L-48 having 2" exhaust and L-82 having 2 1/2" exhaust.
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Old Jan 10, 2002 | 12:24 AM
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Default Re: Need some numbers help "Please" (Rich's75)

Thanks Rich
I did not know that the L82 was 2.5

Thanks
Bob
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