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Oct 11, 2007 | 03:09 PM

chev350

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2nd Gear

Joined: Oct 2007

Posts: 2

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350help

I bought a 72 Vette with a pooched engine. I have a 350 block that I built up to swap in. It has a 675cfm Holly carb, single plane high rise intake, scat crank flat top pistons and the cam have .501 lift (int/exh). MY QUESTION IS: I have stock 305 heads on right now with some comp cam springs. Is there any other SBC heads that will give me better compression and flow?? How are the 327 heads? CC's and Valve sizes? PLEASE help

Oct 11, 2007 | 03:17 PM

ratflinger

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Joined: Sep 2005

Posts: 20,979

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From: South of giving a damn

St. Jude Donor '11, '17

Quote:

Originally Posted by chev350

Yes, all others. Why don't you just get some nice Vortec heads? Of course you'll need a new Vortec style intake, but you're going to need a new intake anyway. Single plane on that engine is useless. You will need to know what pistons you have so you can match pistons to combustion chamber w/o going over about 9.5 CR.

Oct 11, 2007 | 06:14 PM

knight37128

Le Mans Master

Joined: Feb 2006

Posts: 6,048

Likes: 5

From: "cutesy" TN

Nothing will bolt to the 327 heads.

Look at the after-market heads (you will have about the same amount of money in them after it is all said and done).

Oct 12, 2007 | 05:25 PM

chev350

Thread Starter

2nd Gear

Joined: Oct 2007

Posts: 2

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Much Thanks

Thanks Guys!!

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