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how much hp!

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Old 05-23-2004, 10:30 PM
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Question how much hp!

just wanted to know how much HP, I would get out of some headers and a ypipe and a spintech exhaust or Lm. im thinking either pacesetters or slp with matching ypipe. I made 350 rwhp and 348rwtq stock! just wanted to know because i dont want to waste my money if i don't make any more hp!
Old 05-24-2004, 01:07 PM
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you will make prob. 380 with full exhaust system. pulleys,tb,ported maf, maybe 395-400!!!!!!!!!!!!!!!!!!!!!!!!!
Old 05-24-2004, 01:42 PM
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350rwhp stock? i dont think so.
Old 05-24-2004, 05:09 PM
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Originally Posted by hourang
350rwhp stock? i dont think so.
I second that.
Old 05-24-2004, 06:53 PM
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Originally Posted by Ta's02Ws6
I made 350 rwhp and 348rwtq stock!
No, you didnt. Thats impossible, I have to raise the flag . If you were totally stock, that is flat out impossible.
Old 05-24-2004, 06:59 PM
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i watched the car dyno with my own eyes......

it was actually 349.9 but yes it did do it. with exactly what mods are in the sig.......
Old 05-24-2004, 07:08 PM
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stock?? 350? hm........... damn .............. did you run the car at the track yet?
what type of dyno was used? i assume you have a 6spd

I think that those #s are a tad off are the SAE corrected #s?
Old 05-24-2004, 07:09 PM
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and yeah...your question... headers -Long tube headers and a Off road y usually yield an average of 15-25 RWHP depending on tuning or no tuning and the type of headers and Y pipe used.
Old 05-24-2004, 07:12 PM
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it was on a Dynojet.

if you haters dont believe me i can post up my dyno sheet....

it ran a 12:72@110.3

i guess some cars just dont make the power of the ol' '02....

Have a nice day!
Old 05-24-2004, 07:16 PM
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Originally Posted by Ta's02Ws6
it was on a Dynojet.

if you haters dont believe me i can post up my dyno sheet....

it ran a 12:72@110.3

i guess some cars just dont make the power of the ol' '02....

Have a nice day!
all the haters seem to know a tad about the ls1 engine(not saying that you dont know a thing) and all the haters have never heard of such 100% stock RWHP numbers... if its true well... awesome man! you got a hell of a car.
12.72@110 is very strong VERY strong for a stock car. i dont mean to call BS on you.. but what was your 60ft? what tires were you on? what were the weather conditions?

Old 05-24-2004, 07:18 PM
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You might just have one of the most powerful/fastest stock LS1's ever. Even with those mods, 350 rwhp is a tad high for me to believe.
Old 05-24-2004, 07:27 PM
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ok guys. it made 349.9 with a lid.

if you dont believe it. i really dont care.

but i do have a dynosheet that says that it made 349.

it was about 75 degrees. with approx. 5-10mph wind blowing to the north.
and 12 clouds in the sky.

it went 12.7 on F1's with a 2.08 60'

does everyone want to know what i was wearing that day too?????
Old 05-24-2004, 09:22 PM
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yes..were you wearing very light clothes to save some weight?
Old 05-24-2004, 09:25 PM
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Ok.. enough dyno racing

Help the guy with the original question, or move on.




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