|compression ratio calculator chevy 383||1.77||0.6||4719||30|
Compression Ratio Calculator. This 383ci small block Chevy is being built to run on 87 octane, which with aluminum heads will limit our safe compression ratio to 9.7:1. We now start inputting compression related information into our dyno software.How do I calculate my engine compression ratio?
- When you have all the figures, use this formula for the calculation of your engine's compression ratio: CR = (cylinder volume + clearance volume + piston volume + gasket volume + chamber volume) / (clearance volume + piston volume + gasket volume + chamber volume) You may also be interested in our Power to Weight Ratio CalculatorWhat kind of gas should I run on my 383 Chevy?
We hope to achieve a safe compression ratio of around 13:1 running on either E-85 or 93 octane with an additive. We will keep you posted on our progress. This 383ci small block Chevy is being built to run on 87 octane, which with aluminum heads will limit our safe compression ratio to 9.7:1.What will the value be returned in the compression ratio?
The value will be returned in CR, Compression Ratio from ALL input values excluding Total Volume. You can also calculate Total Volume from bore, stroke, and CR.