Need Info to swap 3.8 into a 4.2 w/supercharge - Ford Mustang Forum
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post #1 of 4 (permalink) Old 04-03-2011 Thread Starter
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Joined: Aug 2010
Location: Montreal
Posts: 19
Need Info to swap 3.8 into a 4.2 w/supercharge

Good Day guys,

I know there is many post about this but they don't give me the answer i am looking for.
My question is;
I have a 2002 3.8 V6 with a SCT Tuner, Explorer MAF, BBK air intake, 3.73 Gear, H pipe Magnaflow,5 speed manual.

The next stuff is not installed, it's what i want to install.
I have a Novi 2000 Paxton Supercharge with a 90mm MAF
42lbs injectors, Long tube Headers, E150 4.2 2001 motor.
Is there forged 4.2 stock parts ?
Is the crank,pistons and rodes in the 3.8 fits in the 4.2 and
how much boost can i put into it.
i will be forced to install a Super Six Motor sports
stroker 4.3 kits.
Do you think i can keep my stock heads.
What would be your choice for the cams for rough iddle
and is the rough iddle easy to tune.
Or what is the best cams to go with my supercharge

Thanks guys

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post #2 of 4 (permalink) Old 04-04-2011
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Joined: Jul 2008
Location: Long way from home
Posts: 2,747
Putting 3.8L crank/pistons and rods into a 4.2L motor turns the 4.2L motor into a 3.8L.

You can find forged parts, but they are not cheap. You'd be best off going to GSS Motorsports, SuperSixMotorsports or PM ESG42T. Those guys have more knowledge of what you're trying to do, most people that come here do not.

1988 Mustang LX coupe will miss you greatly
traded for:
2004 Mazda 6s 5 door Sport w/5spd/3.0/RX8wheels/Kon/Eibach/and then some

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post #3 of 4 (permalink) Old 04-04-2011
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First question:
where did you find a novi 2000 to fit a v6 mustang?

- 2002 V6 Mustang Daily
- 86 Buick "Nope its a monte calro"
FS: 94-04 heads, cams, ported intakes.
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post #4 of 4 (permalink) Old 04-06-2011 Thread Starter
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Joined: Aug 2010
Location: Montreal
Posts: 19
Good Day Guys,
First - i wanna put a 4.2 crank & piston into my 3.8
second - The Novi 2000 on my 3.8 is just a question of fitting
i just got to make some brackets.

Thanks guys for your help.
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