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Dyno'd car today....

  • Thread starter Thread starter sldghmr
  • Start date Start date Apr 11, 2004
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sldghmr

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Jun 30, 2003
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Sil Sprg, MD
Apr 15, 2004
#21
  • Apr 15, 2004
  • #21
tmoss said:
sldghmr - you might have a shot at the 12s if you can get those mph up a little. take a look at your shift points to see if your shifting in the sweet spot.
Click to expand...

This is what I'm hoping for also. Been trying to figure how to raise my mph without changing anything else. Going to play w/the fuel pressure (just a pound or two) and also the timing. When I ran the 13.377 timing had not been optimized. The dyno #'s I posted are with the optimized timing. I figure get the car cooled down properly (ice intake, throttle body, and radiator), with both wheels pulling (need to fix pinion seal/rebuild rear) on a hooked track and I'm there. I'd really like to do this w/a stock upper air track (barring the K&N of course). What should I be shifting at?
 

sldghmr

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Jun 30, 2003
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Sil Sprg, MD
Apr 15, 2004
#22
  • Apr 15, 2004
  • #22
Fast94Cobra said:
stroke it! big power and it'll still look stock
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I've already started looking into this....would make one helluva street car!
 

stang_gt_1994

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Mar 21, 2002
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Powder Springs, GA (30 min. from Atlanta)
Apr 15, 2004
#23
  • Apr 15, 2004
  • #23
Friends got a 347 with stock ported heads, trickflow streetheat intake, f cam, and its nothing. We havent raced yet but I think I could take him.
 

sldghmr

Member
Jun 30, 2003
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Sil Sprg, MD
Apr 15, 2004
#24
  • Apr 15, 2004
  • #24
stang_gt_1994 said:
Friends got a 347 with stock ported heads, trickflow streetheat intake, f cam, and its nothing. We havent raced yet but I think I could take him.
Click to expand...
Seems like it should run like stink! If you can take him (w/stock gears!!!) I think something might be wrong w/his setup. I might be wrong but I'd think he should kill you.
 

tmoss

Gettin Wired
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Jun 28, 2001
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Saint Louis, MO
Apr 16, 2004
#25
  • Apr 16, 2004
  • #25
I put your torque curve in a spreadsheet I use to evaluate shift points. Generally I try to shift at a point that puts me at my peak torque point where acceleration to peak HP and beyond is quickest. Looks to me like these are good points to me (experiment with them from this point):

1-2 = 6,000 rpm
2-3 = 5,600 rpm
3-4 = 4,800 rpm
 

sldghmr

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Jun 30, 2003
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Sil Sprg, MD
Apr 16, 2004
#26
  • Apr 16, 2004
  • #26
That is a slick looking program you got there. I'll definitly try those points. I did notice a big change when I started shifting at 6000 (all shifts) from 5000. Now how am I going to remember those value drops in a middle of a race? 6K, then 5.6K, then 4.8K? Is that right? Does some make a progressive shift light?
 
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