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Where's the power??

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Old Sep 28, 2004 | 12:08 AM
  #1  
99fireredls1's Avatar
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Default Where's the power??

What is going on here? I have a 1999 Ta with an ati blower m6 373 gears 6 rib set-up that I have had dyno tuned at 604rwhp and 570rwtq. Then I went to the track and everything went to hell. My best was 11.79
Here is the only slip I could find from the night
60' --- 1.696
330 --- 4.919
1/8 --- 7.681
mph --- 90.54
1000 --- 10.019
1/4 --- 11.999
mph --- 114.99

shifts were fast, not pro fast, but good strong shifts.
My question is where is all my power going?? belt slip maybe??
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Old Sep 28, 2004 | 12:57 AM
  #2  
QuickSilver2002's Avatar
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From: Austin, TX
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Originally Posted by 99fireredls1
What is going on here? I have a 1999 Ta with an ati blower m6 373 gears 6 rib set-up that I have had dyno tuned at 604rwhp and 570rwtq. Then I went to the track and everything went to hell. My best was 11.79
Here is the only slip I could find from the night
60' --- 1.696
330 --- 4.919
1/8 --- 7.681
mph --- 90.54
1000 --- 10.019
1/4 --- 11.999
mph --- 114.99

shifts were fast, not pro fast, but good strong shifts.
My question is where is all my power going?? belt slip maybe??
I would guess belt slip. The dyno and the track are worlds apart.

You need some way to log boost and A/F.
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Old Sep 28, 2004 | 01:20 AM
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red90cobra's Avatar
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that's not right, your mph with that much hp is off big time
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Old Sep 28, 2004 | 04:37 AM
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98Zam's Avatar
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How long ago did you dyno? do you have a boost gauge?
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Old Sep 28, 2004 | 08:48 AM
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Unusual T/A's Avatar
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That is what a 344rwhp car should be running. Where did the other 300 go?
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Old Oct 2, 2004 | 01:43 PM
  #6  
99fireredls1's Avatar
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Sorry guys I was away from my computer for a few days. I just sent my pulley setup to SD Concepts. I am upgrading from stock 6 rib to their 8 rib setup with the steel plate. The guy at SD Concepts said it is either lotttts of belt slip or the belt is hopping when I shift. No belt hop on the dyno because I kept it in the same gear. I do have a boost gauge, but it does not record boost and kinda small to watch at the track. I went to the dyno about a week before taking it to the track. Anymore ideas please chime in. Thanks
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Old Oct 2, 2004 | 04:45 PM
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You will be happy with the SD Concepts stuff. Let us know when you hit the track again.
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