compression ratio - LS1LT1 Forum : LT1, LS1, Camaro, Firebird, Trans Am, Engine Tech Forums
 
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post #1 of 3 (permalink) Old 04-23-2007, 12:05 AM Thread Starter
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compression ratio

what would be a better compression ratio for my lt1 if i am planning on within the next few years super or turbo charging nitrous cam exhaust etc. what would be more power gain with these

10.4:1 with a 58.22cc head
or
9.35:1 with a 64cc head
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post #2 of 3 (permalink) Old 04-23-2007, 01:42 AM
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If you are going forced induction, you'll want to go with the 64cc heads... And maybe even a small dish on the pistons. If you're going all out you'd be better off shooting for like 8.5:1. If you go heads/cam and stay naturally aspirated, you could actually get away with more compression depending on your cam profile.

Jeremy
1996 Camaro Z28 - LT1 A4 3.23
-K&N FIPK, 1LE Elbow & Alum. DS, Pacesetter LT's, Cutout, Hooker Catback, Nitto DR's, Vig 3200 Stall... More to come.
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post #3 of 3 (permalink) Old 04-23-2007, 10:53 PM
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If yer going forced induction go with a low compression.

96 Trans Am M6: 52MM TB, LT's, true duals over the axle with Hooker Aerochamber mufflers, Granatelli LCA's and Panhard rod, SLP shifter, 9" with 4.11, Mickey ET streets......oh yeah, a roots blower that fits under the hood

currently working on roots blower kits for the F-Body, stay tuned..........

http://s12.photobucket.com/albums/a2...nt=exhaust.flv

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