Thread: #66 heads
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Old 08-19-2019, 03:00 PM
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Lee Lee is offline
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Join Date: Dec 1999
Location: Crosby, TX (East of Houston)/Texas/USA
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Quote:
Originally Posted by tc View Post
One cylinder volume is 932 cc's. 455 cu in is 7456 cc's
116 + 932 = 1048
1048 ÷ 116 = 9.03
+ deck height + gasket thickness (or volume) + valve relief (and bevel, if any) volume.

Actual CR ends up right around 8.0:1

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'73 T/A (clone). Low budget stock headed 8.3:1 455, 222/242 116lsa .443/.435 cam. FAST Sportsman EFI, 315rwhp/385rwtq on 87 octane. 13.12 @103.2, 1.91 60'.

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