i HAVE BEEN TRYING TO DECODE MY ENGINE VIN #.MAYBE YOU CAN HELP VIN# C7F180879 IT IS A 77 454 BLOCK EX MANIFOLDS ARE 33994045 AND 353030 THE INTAKE IS 340218. IT HAS BIG OVAL PORT HEADS.I HAVE NO IDEA WHERE THIS MOTOR CAME FROM,THANX

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The exhaust manifolds were stricly used on police cars-they have a higher material strength-My book only goes up to 75.With the type of vin you have I would have to think it is a police cruiser motor.

[This message has been edited by Ricks 72Z28 (edited 06-12-2000).]