383 Red Line
UMm, sorry guys, but if you're running the 383TTA motor as unearthed in the thread "383 true or false" I was just reading above, you can push these motors to 12g!!! And the cops LOVE it too!!! You gotta read that one, it's hilarious!!! Seriously though, the power band of a stock 383 Magnum motor from 69 would be about 2800 through 4,500 or so. I'm with demon and 68 formula, no need to go higher, unless you're lookin to rebuild!!! Geof