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Mach 1 Engine Swap
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<blockquote data-quote="IUP99snake" data-source="post: 13450123" data-attributes="member: 7060"><p>There are a few other differences besides wiring that may or may not be of concern:</p><p></p><p>Did that motor come out of an automatic car or a manual car? If it was originally paired with an automatic, it'll have a 6-bolt crank instead of the usual 8 bolt crank that's standard with most other 4V motors. If you want to keep a cobra clutch, you'll need to get a 6 bolt, 11" flywheel and install a pilot bearing. Don't worry about it if it came with a manual. </p><p></p><p>Although your existing manifolds or headers will physically bolt up to the newer heads, they have a different shaped exhaust port. I don't know if the earlier manifolds and headers are port matched or not. I just bought a set of 03 Cobra manifolds for $20 bucks and called it done. You're in luck if your take out motor came with manifolds. </p><p></p><p>Homer</p></blockquote><p></p>
[QUOTE="IUP99snake, post: 13450123, member: 7060"] There are a few other differences besides wiring that may or may not be of concern: Did that motor come out of an automatic car or a manual car? If it was originally paired with an automatic, it'll have a 6-bolt crank instead of the usual 8 bolt crank that's standard with most other 4V motors. If you want to keep a cobra clutch, you'll need to get a 6 bolt, 11" flywheel and install a pilot bearing. Don't worry about it if it came with a manual. Although your existing manifolds or headers will physically bolt up to the newer heads, they have a different shaped exhaust port. I don't know if the earlier manifolds and headers are port matched or not. I just bought a set of 03 Cobra manifolds for $20 bucks and called it done. You're in luck if your take out motor came with manifolds. Homer [/QUOTE]
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