V6 (1994-2004) Mustangs Technical discussions on the 3.8L and 3.9L V6 torque monsters

4.2 liter

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Old 01-11-2007, 02:16 PM
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flash20
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Default 4.2 liter

will the 4.2l be an easy swap or what would it take, im thinking about getting a new engine, with a lil more power. and plz dont tell me to mod the 1 i have now ,becuz it has 2many miles.

any idea's let me know
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Old 01-11-2007, 02:39 PM
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alexr
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Default RE: 4.2 liter

do you have an F-150 youre gonna get it from?

i could imagine it would be similar to a 4.6 swap, except you would maybe need custom mounting brackets.
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Old 01-11-2007, 03:09 PM
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amrcnidyot
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Default RE: 4.2 liter

are you getting this thing cheap? you could always buy a ssm crate engine. depending on what kind of #'s you want to put out in the future you could just get another 3.8 that has a lot more power for 5600. or you could get a long rod 4.3 and be puttin out some big #'s with a bolt in engine for $6250.
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Old 01-11-2007, 04:10 PM
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mustangman02232
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Default RE: 4.2 liter

just get the crank out of an f150 along with some forged interals
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Old 01-11-2007, 04:33 PM
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alexr
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Default RE: 4.2 liter

personally i dont think the amount of miles on a car really matters. if its well maintained, and if youre replacing the internals anyway, the block you have now should fare fine.
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Old 01-11-2007, 04:45 PM
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MACHJUAN
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Default RE: 4.2 liter

Sell the car [8D]
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Old 01-11-2007, 05:09 PM
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cobra232
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Default RE: 4.2 liter

4.2 would just drop right in as long as it's a neutral balance 4.2 you need nothing else but to re-use your mustang upper-intake and exhaust headers

it will give a nice little performance bost too because of the extra torque and about 10 extra hp
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Old 01-11-2007, 07:16 PM
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aynjell
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Default RE: 4.2 liter

4.2 only increases HP by about 10 hp? Heh, I was considering getting it done but if that's all it ends up being it's not worth it to me. What do you have to buy for it, anyway? Just gotta find some F150 guts, right?
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Old 01-11-2007, 07:59 PM
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tims 88 4
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Default RE: 4.2 liter

just get a 4.3 stroker motor with ssm stage 3 power pak on top and youlld be puiitn well over what a modded gt will have you should be pushin 350 hp at the crank correct me if im wrong
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Old 01-11-2007, 09:06 PM
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aynjell
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Default RE: 4.2 liter

Hrm, I can't afford a 7000$ engine, though.
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