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Aprox. Gains achieved with these mods....

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Old 12-09-2006, 11:06 PM
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JT76
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Default Aprox. Gains achieved with these mods....

currently on my 2002 GT Auto, i have Borla Catback, SLP modular X catted pipe, 75mmTB/Plenum, Cheap *** POS MAC cold air intke, and diablosport predator tuner.... i plan on getting a set of SLP long tube headers and Stage 1 Cams over the winter and having my buddy install them. Currently i have 249.XX RWHP. What do you guys think i will dyno after these new mods? Just curious

PS. With these mods and street tires i ran a 13.68@ 101......with the new mods, MT Et streets that are sitting in my garage and the stall converter and tranny cooler thats goin in 1st week of april, what do you think the car is able to do?
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Old 12-09-2006, 11:08 PM
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Rusmisel01GT
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Default RE: Aprox. Gains achieved with these mods....

Are you and your buddy going to cut the midpipe to make the LT's fit? how is that gonna work?

But i wouldnt be surprised if you saw 270-280rwhp, tq unknown [8D]
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Old 12-09-2006, 11:10 PM
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JT76
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Default RE: Aprox. Gains achieved with these mods....


ORIGINAL: Rusmisel01GT

Are you and your buddy going to cut the midpipe to make the LT's fit? how is that gonna work?

But i wouldnt be surprised if you saw 270-280rwhp, tq unknown [8D]
i thought ahead and got the SLP pipe because its modular, you can take it apart and use it with SLP LT headers...gotta love SLP they were thinking
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Old 12-09-2006, 11:13 PM
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Dan04COBRA
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Default RE: Aprox. Gains achieved with these mods....

You'll get up to the 275+ RWHP mark, might break 280 or so, but I doubt it with the power eating automatic.

Set up the suspension, use the drag radials with your new TQ converter and I can see a high 12 in your future. Lose some weight and it'll be a definite.
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Old 12-09-2006, 11:13 PM
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sstang
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Default RE: Aprox. Gains achieved with these mods....

I would say 280ish rwhp with a good tune.
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Old 12-09-2006, 11:14 PM
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sstang
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Default RE: Aprox. Gains achieved with these mods....

i thought ahead and got the SLP pipe because its modular, you can take it apart and use it with SLP LT headers...gotta love SLP they were thinking
I never knew that. Will they fit all LT's or just SLP's?
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Old 12-09-2006, 11:27 PM
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Rusmisel01GT
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Default RE: Aprox. Gains achieved with these mods....

Wow, thats pretty nice. I forget that automatics supposedly put down around 10hp less then 5speed on dyno's... keep that in mind.
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Old 12-09-2006, 11:31 PM
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Fryguy22
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Default RE: Aprox. Gains achieved with these mods....


ORIGINAL: sstang

i thought ahead and got the SLP pipe because its modular, you can take it apart and use it with SLP LT headers...gotta love SLP they were thinking
I never knew that. Will they fit all LT's or just SLP's?
theoretically they will fit all longtubes but, as i'm sure everyone is aware, it doesn't always work out that way. You should always try and get matching LT's and a midpipe from the same company. It will fit together much better.
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Old 12-10-2006, 12:00 AM
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Default RE: Aprox. Gains achieved with these mods....

i have the mods you are planning on doing...minus the throttly body/ plenum combo and i dynoed at 274 to the wheels. that is with no tune at all
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Old 12-10-2006, 12:05 AM
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Default RE: Aprox. Gains achieved with these mods....

I thought gt's have about 260 hp stock?
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