1994-2004 V-6 3.8 and 3.9L V6 Mustangs

What ill need if i want to build 4.2 liter

Old 1/25/13, 04:12 PM
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What ill need if i want to build 4.2 liter

What cam would I need if I decided to build a 260 hp 4.2 liter motor? What heads can and intake?
Old 1/25/13, 06:16 PM
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Originally Posted by Blackout
What cam would I need if I decided to build a 260 hp 4.2 liter motor? What heads can and intake?
Heads, you can port you 3.8 heads or 4.2 heads whichever you want. Cam is up to you, you can use eithe rhte 3.8 or 4.2 but I would get a custom one. As far as intake, go to the junkyard and get yourself a windstar intake.

This is a good how to on the swap.

http://www.mustangevolution.com/forum/f133/t9601/

Last edited by 1999Pony; 1/25/13 at 06:20 PM.
Old 1/25/13, 09:42 PM
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So 4.2 and 3.8 are compatible with each other
Old 1/25/13, 09:43 PM
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What year windstar? I have a 2000
Old 1/25/13, 09:43 PM
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2000 mustang
Old 1/25/13, 09:48 PM
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94-98. They are split port and almost bolt right up. There's a few things you need to however. Just search windstar swap and you'll find a lot of info on it.. That swap alone gives some pretty decent gains. And yes, the 3.8 and 4.2s are virtually identical with the exception of the crank.

Last edited by 1999Pony; 1/25/13 at 09:56 PM.
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