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Pre-Vortec 4.3 Performance Numbers

737 views 4 replies 4 participants last post by  coyote 
#1 ·
Guys, looking for performance numbers and any good sources for the engine? Desire 240hp and 200 or so lb/ft of torque give or take....have a old caprice manual but they quote hp at 150 stock and that just won't due.....
 
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