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Superpro
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 Posted: Thu Apr 20, 2006 9:00 pm |
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Joined: Wed Apr 19, 2006 3:31 pm
Posts: 46
Location: Albertville,MN
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My Launch rpm is 4000 to 4400 what do you think of that?
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rick360
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Posted: Thu Apr 20, 2006 9:12 pm |
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Joined: Tue Apr 18, 2006 3:20 pm
Posts: 1457
Location: Missouri
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Superpro wrote: My Launch rpm is 4000 to 4400 what do you think of that?
Are you 2-stepping it down on the line? What does the converter stall. Seems the 1/8mile speed is fast for the ET, what is your 60'. Are you spinning?
Normally 6.0's will get you 112-114.
Rick
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Superpro
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Posted: Thu Apr 20, 2006 9:14 pm |
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Joined: Wed Apr 19, 2006 3:31 pm
Posts: 46
Location: Albertville,MN
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Have not test stall this year with new power. two step at 4000 last year it stalled at 5900 1.304 60ft
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Superpro
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Posted: Thu Apr 20, 2006 9:16 pm |
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Joined: Wed Apr 19, 2006 3:31 pm
Posts: 46
Location: Albertville,MN
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Yes the mph at that track is about 2 faster then any other I go to.
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rick360
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Posted: Thu Apr 20, 2006 9:21 pm |
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Joined: Tue Apr 18, 2006 3:20 pm
Posts: 1457
Location: Missouri
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Superpro wrote: Have not test stall this year with new power. two step at 4000 last year it stalled at 5900 1.304 60ft
The 60' looks good. The converter probably stalls more with the added power. May slip more than the 5% I was figuring. Converter seems borderline too loose.
Rick
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Superpro
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Posted: Thu Apr 20, 2006 9:25 pm |
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Joined: Wed Apr 19, 2006 3:31 pm
Posts: 46
Location: Albertville,MN
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Also the car weighted 200 pounds more last year. What should the converter stall at?
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Superpro
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Posted: Thu Apr 20, 2006 9:28 pm |
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Joined: Wed Apr 19, 2006 3:31 pm
Posts: 46
Location: Albertville,MN
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rick360
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Posted: Thu Apr 20, 2006 9:41 pm |
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Joined: Tue Apr 18, 2006 3:20 pm
Posts: 1457
Location: Missouri
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Superpro wrote: Also the car weighted 200 pounds more last year. What should the converter stall at?
It's hard to say where the stall should be without knowing everything about the engine, but most importantly a dyno sheet. To run quickest it is usually best to have the stall about 500rpm past peak tq, but that depends some on the tq/hp curve and how fast it falls off after peak hp. An overall range of 1200-1500 rpm from stall speed to shift point should be close.
Rick
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