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Apr 5, 2017 | 03:19 AM

ancel.abadie

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compression

I have a set of 317 heads that have been milled out .033 with 660 valve springs and 5 angle valve job.what kind of compression do you think itll run? I was told it be around 10.1

Apr 5, 2017 | 07:47 AM

KCS

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From: Conroe, TX

Quote:

Originally Posted by ancel.abadie

I have a set of 317 heads that have been milled out .033 with 660 valve springs and 5 angle valve job.what kind of compression do you think itll run? I was told it be around 10.1

Somewhere between 8.5:1 and 15.5:1.

Apr 5, 2017 | 08:42 AM

64post

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From: Sonoma Co. Ca.

Quote:

Originally Posted by ancel.abadie

I have a set of 317 heads that have been milled out .033 with 660 valve springs and 5 angle valve job.what kind of compression do you think itll run? I was told it be around 10.1

How about some more information? Like...engine size, piston volume, head gasket thickness.