=========================================================== Looking for a Promotional or Marketing Gift? Discover Crazy Aaron's Thinking Putty in grown up handfuls. It's the creativity unleashing, mood enhancing desk toy customized with your corporate image! caaceBcb7yoMza/ Crazy Aaron Enterprises =========================================================== the key is combustion chamber design. the better the design the more detonation resistant. big block mopars, especially 68 and later, have a crummy combustion chamber. the plug is in a bad location and the non-quench heads mean 9-1 comp. at most. fortunately better combustion chamber designs are available, better plug locations, high velocity ports, etc, are available. if you're using 68 and later iron heads, quench dome pistons are a must for performance. [Non-text portions of this message have been removed] *********************************************************** Apply now for a No-Annual-Fee Discover® Platinum Card 0% Intro APR*, No Annual Fee, Up to 2% Cashback Bonus® award* Start Saving Today ? APPLY NOW! It's fast, easy and secure. caacf0Db7yoMzf/ Discover Card *********************************************************** ---- 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.