Machining Piston to lower compression?
sbigelow at sprint.ca
Thu Mar 1 08:59:39 EST 2001
Where V1 is calculated swept volume, V2 is deck height volume, V3 is head gasket volume, and V4 is combustion chamber volume.
Cutting pistons increases V2.
Steve Bigelow, who found that FIAT X1/9 combustion chambers are remarkably well balanced from the factory.
----- Original Message -----
From: JShadzi at aol.com
To: quattro at audifans.com
Sent: Wednesday, February 28, 2001 10:42 PM
Subject: Machining Piston to lower compression?
Anyone familiar with doing this? Know how to calculate it or someone who
can? I have a high compression motor I want to turbo charge, and want to
lower the compression this way..it is an 82.5mm bore, so no low compression
pistons are available.
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