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3.8 to 4.2 question

842 Views 9 Replies 7 Participants Last post by  itschristorres8, 
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alrite so heres wut im wanting to do ....i have a 97 v6 mustang it a 3.8 single port...and im wanting to put the 4.2 bottom end off of a 97 and up f 150.....and then im wanting to put the 99-04 3.8 split port heads and upper/lower intake on top of that...just to throw ppl for a loop they will never exspect the 4.2 bottom end ......how hard would this be to do and how much of a gain would i get....i kno the 4.2 block bolts up but other then that im not 100% sure
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that is actuealy fairly comen to go to a 4.2 or 4.3 stroker. so u arnt gana be throwing all that may people for a lope.
also if u r doing thisswap for the love of god get some beter intke the stock one sucks.
as well as some head and valve train work.
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97fordsixer said:
I wanted to do that too but too much time and money. instead I am just modding my current motor. someone else Help!!
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wanted to do what
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Hourofpain said:
either super six's box intake or a windstar swap
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the box upper is best for f/i apps and the 96-98 windstar isen't a bad swap but there r better options out there.
but it definetaly has it's strong points.
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