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jackmech jackmech is offline
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Join Date: Sep 2000
Location: Grand Rapids, MI , USA
Posts: 375
Aaron's correct. Stock compression on factory built US 914 2.0 engines was 7.6:1. To raise compression you can remove the head gasket, cylinder base shim, and you can also flycut the heads and weld up the combustion chambers. So really, you can have any compression ratio. Stock pistons in stock chambers depend on how many times the heads have been cut. There really are too many unknown variables to accurately give an estimation. If you measure the actual volume of your combustion chambers, then we might be able to figure something out.
Old 05-15-2006, 01:45 PM
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