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

new 3.8 swap

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Old Mar 7, 2012 | 02:40 PM
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new 3.8 swap

I just bought a bone stock 3.8, any advice on what to do to gain hp and mpg before dropin it in the car? Thanks for any help on this.
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Old Mar 7, 2012 | 03:51 PM
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From: Cleburne, Tx
Add two cylinders
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Old Mar 7, 2012 | 09:08 PM
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Depends on what your looking to spend. Basic bolt ons arent going to get you much though.
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Old Mar 7, 2012 | 09:22 PM
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Heads and cams, long tubes.
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Old Mar 7, 2012 | 09:44 PM
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Originally Posted by cpotts13
Heads and cams, long tubes.
This^^ will be your best bet
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Old Mar 7, 2012 | 10:10 PM
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Not needing top end speed.. need better throttle response but not over doing the rpms at seventy five. (Motocross guy so terms may be mixed up). Want to beat the gts off the line but cruise comfortably down the interstate.
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Old Mar 7, 2012 | 10:11 PM
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Originally Posted by newboy95
Not needing top end speed.. need better throttle response but not over doing the rpms at seventy five. (Motocross guy so terms may be mixed up). Want to beat the gts off the line but cruise comfortably down the interstate.
4.10 gears.
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Old Mar 7, 2012 | 10:24 PM
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From: Cleburne, Tx
Originally Posted by newboy95
Not needing top end speed.. need better throttle response but not over doing the rpms at seventy five. (Motocross guy so terms may be mixed up). Want to beat the gts off the line but cruise comfortably down the interstate.
Good luck beating gts off the line...
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Old Mar 7, 2012 | 11:39 PM
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From: Midlothian, Va
Originally Posted by newboy95
Not needing top end speed.. need better throttle response but not over doing the rpms at seventy five. (Motocross guy so terms may be mixed up). Want to beat the gts off the line but cruise comfortably down the interstate.
Without digging seriously into motor or boosting it, that wont happen. The torque just isn't there
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