COOL DZ 302 http://videos.streetfire.net/video/6...-DZ_156232.htm

dyno video of a 69 chevy 302DZ motor rebuilt to factory specs. In 1969 this motor was rated at 290hp@4400rpm in all actuality it makes 530hp@8500rpm and their were no aftermarket speed parts in this motor. The cam is an exact factory blue print from comp cams.

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SB Chevy Tango