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#1
03-12-2004, 10:06 AM
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i just purchased a 400 pontiac motor and im going to use the block for my 67 gto rebuild on the front of the motor on the left side #580136-wz on the rear of the motor is E057 can someone tell me what year this motor is factory rated hp and what kind of car it came out of it also has 16 heads but i plan on using my 670 heads thanks alot danger!
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