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Old 04-16-2009, 08:24 PM   #1
01silver freak
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moving up

so far its looking like i will be trading in my 03gt for a 04 mach1 which is one of my favorite mustangs.... and i was wondering what the 4v NA motor responds to as far as upgrades go. So what mods would be best for it, im goin to do a JLT mid and catback, not looking to get crazy with this car unless she really responds to those well. what are the ball-park stats on the motors horsepower,torque, etc..... thanks matt
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Old 04-16-2009, 08:34 PM   #2
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Basic bolt on's make around 320 hp to the wheels. Intake and longtubes is the best bolt on mods imo. Some 4.30 gears is also a great gear for the dohc.
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Old 04-16-2009, 08:37 PM   #3
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320 sounds sooo much better than 230!!!! the 3.90 gears in my gt i dont know if was just me or not but it felt like i lost power in the mid rpm range dunno if gears like that would do the same may just do 3.73 cause this car may only take a handfull of track passes
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Old 04-16-2009, 09:26 PM   #4
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Basic bolt on's make around 320 hp to the wheels. Intake and longtubes is the best bolt on mods imo. Some 4.30 gears is also a great gear for the dohc.
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Old 04-16-2009, 09:32 PM   #5
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After doing some reading the last few days, I am actually considering longtubes on the 08 one of these days
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Old 04-16-2009, 09:34 PM   #6
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After doing some reading the last few days, I am actually considering longtubes on the 08 one of these days
I think you need to put a set of those "backwards" headers on it.
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Old 04-16-2009, 09:35 PM   #7
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After doing some reading the last few days, I am actually considering longtubes on the 08 one of these days
You will enjoy it, longtubes are fun on the mod motors
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Old 04-16-2009, 09:53 PM   #8
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so throw on some exhaust and im pretty well off?
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Old 04-16-2009, 09:57 PM   #9
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so throw on some exhaust and im pretty well off?
Gears are going to be the best bang for your buck IMO.

Don't be afraid of a low gear, either. I've driven a 4V car with 4.10s and they should have come that way from the factory.
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Old 04-16-2009, 10:03 PM   #10
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as long as it dont feel like ive lost power in the mid rpm range ill be happy i hate getting caught from behind
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