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Dyno pic's inside: what is wrong?!

Old Sep 3, 2008 | 07:08 PM
  #41  
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Originally Posted by b00sted
Why do the hp/tq lines cross at 4800 instead of 5252?
scaling not the same. hp max 500 tq max 400
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Old Sep 3, 2008 | 07:16 PM
  #42  
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Originally Posted by JL ws-6
The 2nd one is a typical converter flash.. my car does that.

I dunno, seems like there's some kind of slippage going on... I'd start by draining the fluid, see what it looks like. If it's black/burnt, the problem is found tranny is shot.
Your torque curve goes down as much as that? Mine flashes up and stays relatively flat
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Old Sep 4, 2008 | 06:11 AM
  #43  
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Thats not really what I expected to see.

The first and second graph show lots of slip, but as your rpm and speed climb, the slip is reducing, like a convertor thats too loose, and never grabbing. Its not ideal, but not a show stopper.
A slipping transmission wouldn't look like that, it would flatten out, then curve back up.


After looking at all the graphs, I think your dyno didn't get a clean tach signal. I say that because your mph curves look to be clean graphs, which dosen't use the tach signal, but all your RPM graphs are broken, choppy, and flat-out messed up.


Try to post this in the dyno section, and see what they have to say.

Last edited by 860 Performance; Sep 4, 2008 at 06:24 AM.
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