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Old 01-14-2009, 06:56 AM   #1
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i got a quick question

I wanted to know if someone could give me a estimate on how much hp my car has? It's a 2003 GT. It has the following parts:

U/D pullies
JLT cold air
Accufab 70mm TB and plenum
BBK shorty headers
Off road x pipe
Flowmaster super 44
3.73 gears

How much will a tune add to it? Also, I'm not good at mechanic stuff, but sometimes when I start it, if I dont rev it it will die. If I rev it it idles fine. Anyone know what it might be?

Thanks for the help.

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Old 01-14-2009, 07:14 AM   #2
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Re: i got a quick question

You'd be luckly to have over 260hp at the wheels at the moment. A tune would definitely help out, you have alot of small modifications that all add up to alot for the computer to compensate for on its own.

I do believe you will see a big gain with a good tune.

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Old 01-14-2009, 10:21 AM   #3
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Re: i got a quick question

yea stock is around 235 so you would probably be 240-250 range probably~ which is about 270-275 at the engine~ or so.
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Old 01-16-2009, 04:26 AM   #4
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Re: i got a quick question

400,000 or so, probably more if ya would have added stickers
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