Deaner44
Active Member
- Thread starter
- #1
Looking to do a 3.15 - 3.73 swap gt manual. Just going to by the whole assembly and be done. Question is 1) Do i need a tune for the swap? 2) If not will it void my power train warranty? May seem like stupid questions to some but this is the first modern stang I've own as well as one I bought new with a warranty.
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