I'm thinking about boosting my engine and need to drop the compression. Its currently 10:1 with flat-top pistons and 64cc heads. If I got 76cc heads, what would it drop it down to roughly? Just a good round guess would be fine.
I'm thinking about boosting my engine and need to drop the compression. Its currently 10:1 with flat-top pistons and 64cc heads. If I got 76cc heads, what would it drop it down to roughly? Just a good round guess would be fine.
Car: 1985 Firebird
Engine: 355sbc
- Specs: Edelbrock Performer RPM Top End Kit (1,500-6,500)
- Cast Crank, Powdermetal Rods, Flat Top Hypereutecnic Pistons
Transmission: TH350 w/ B&M 3k Stall (Built By: Fountain Transmission)
Rear-End: GM Posi 10bolt w/ 3.23's and Radial T/A's.
1/4 Best:
12.51 @ 109 (on street tires)
12.99 Pass: http://www.youtube.com/watch?v=pn1VRluOsws