=========================================================== **** Bounces like rubber! Shatters like ceramic! **** Discover Crazy Aaron's Thinking Putty in grown up handfuls. It's the creativity unleashing, mood enhancing desk toy! caab5n2b7yoMza/ Crazy Aaron Enterprises =========================================================== had a '68 GTX that was stock. It had about 155 psi when I did a compression check. I put in the MP 509 cam, and the compression fell to around 130 psi while cranking, but it sure breathed better at higher rpm...Brian i appreciate the info from all respondents. still trying to learn. i found a fella with a leakdown tester, am gonna take it to him this week or try to. [Non-text portions of this message have been removed] =========================================================== **** Bounces like rubber! Shatters like ceramic! **** Discover Crazy Aaron's Thinking Putty in grown up handfuls. It's the creativity unleashing, mood enhancing desk toy! caab4CEb7yoMzf/ Crazy Aaron Enterprises =========================================================== ---- Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! '62 to '65 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html. b7yoMz.