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I have a 2002 GT 5sp with a blown head gasket and 175000 miles i can get a 2004 mach 1 engine for a pretty good price. what is required to make the swap??
 

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Dang that was alotta miles.
 

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if you would ever plan to do headers, put them on before you drop the engine to save you some hair pulling lol
 

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It actually shouldn't be that bad. Should be a direct drop in, just like a cobra swap.
X2

The major changes are extending the harness for the coils (swap the polarity on the connectors/wires) and finding all the correct coolant/heater hoses.

For the most part it is a direct swap. You will need to get it tuned asap. But if you keep your stock maf and injectors in it, you can safely drive it until you go to get it tuned. Swap to the 24lb inj and an 03 Cobra 90MM maf when you get a tune, and your good to go!
 
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