Don Terrill’s Speed-Talk

It would take a -60cc dish to achieve the cr I'm looking for due to my heads being a 30cc combustion chamber. I looked at that option but was told the piston would be very weak and subject to cracking around the wrist pins. My next step was to change heads all together. The heads I have are really n...

Thank you everybody for the great advise.

Do you think this will also work on a low boost street application?

Guy at diamond pistons told me it would be so inofficient that it might not even idle so it kinda had me worried. Thanks for the advice.

Has anyone ever ran pistons .175 down in the hole to lower compression for boosted applications? Trying to figure out which way to go on my build. If so pros/cons? Thanks in advance.