RezinTexas

I also would not run -28cc pistons on a NA motor, for the reasons already mentioned.

I've heard good things about Probe for street engines, I was planning to use them, but ended up with Wiseco because the Probes were on back-order when I needed them.

Try this link to calculate your compression ratios with ALL of the relevant factors considered. Get a spreadsheet and have some fun

http://www.scribd.com/doc/145057435/...RAFT-01-Jun-13