This online calculator is designed to estimate the change
in compression ratio due to a change the cylinder wall bore.These
figures are helpful when using a "Desk Top Dyno" program to
estimate changes in Horse Power and Torque.
Enter the Stock
Cylinder Bore Diameter, the amount that the bore is increased, the
stroke length. Click the Calculate Compression button
below for results.
Cylinder Bore Diameter:
Note: Neg. number above deck, Pos. number below
and New Engine Displacementand estimated Compression Ratio
"Restoring Old Dreams"
and Operator, Mr. David Mars
Serving the community since 1991
4588A Kennedale - New Hope Rd.
Fort Worth, TX 76140
- 2004 Texas Trans Am Service and Restoration
All rights reserved. Duplication only with prior approval.
design by JGH