67 impala run a 327,350,or 400? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 06-24-2002, 09:03 PM
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Unhappy 67 impala run a 327,350,or 400?

Ive been going nuts trying to match the right parts for my rebuild.
I have a 67 impala that has a 327 small journal mains in it. I was going to
have it bored .030 over and rebuild it with a descent sized cam(any suggestions) and 10.1
forged flat-tops,headers,4.10 rear end gear, and a powerglide tranny. The problem is I brought my heads into my machine man
and a problem came up. I have a set of 1.94 76 cc heads with hardened seats
that were rated one of the top ten stock heads for chevy sb. But having the
small journal 327 im loosing compression, plus loosing compression with the 76cc heads. Is there any pistons i can run to get a true 10.1 ratio?
Or should I opt for spending my money on a 350 or 400? I would like to keep my 327 ,anyone have any comments on a 327 please let me know.I intend it for an everyday driver but plan on running it on the drag strip once or twice. I also know a guy selling a sb 400 with dart heads,eagle crank and rods, for a thousand but i dont want to end up with something that might need rebuilt. Any suggestions on what to do with this 327?
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Old 06-25-2002, 03:49 AM
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Maybe go with a .100 .125 dome piston that should get you close,and also mill your heads a tad bit.hope this helps.(wrenchturner) Aproxemently youll lose 1cc for every 0.004-0.005 inch of metal removed from the heads.

[ June 25, 2002: Message edited by: wrenchturner ]</p>
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Old 06-25-2002, 09:05 AM
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Call Jegs 1-800-345-4545, then hit 2 twice when the recording starts talking and tell them the heads you have and the comp you want to run and they can match it up for you. HG
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