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Re: ANOTHER help my 60’ post….
[Re: G_bob]
#437853
08/14/09 10:18 PM
08/14/09 10:18 PM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
Ok, here’s my story as to not hi-jack the other thread….
Very similar to his story.
67 coronet, 3580 race weight (all-in). Backhalved, pro-street 4 link (urethane-bushed rod ends), single adjustable Vari-shocks. Dana, spool, 4.56, 32.2” tall Phoenix slick (radial) – 32-13.6-15 Launching off a brake with two-step at 4800 Shift light set at 6400 (probably shifting at 6500 or so)
Last time out went 60 ft ---- ET ---- MPH 1.440 - 10.139 - 133.37 1.458 - 10.139 - 133.54 1.477 - 10.141 - 133.54
8” converter, flashes 5800 7000 rpm through the traps (hit the rev limiter with a 7000 pill right at the traps all three runs) Slip calcs out a little over 10%
On the engine dyno, motor made peak TQ at 5000, peak HP at 6500
1/8th mile times on the above runs were: 6.462 @ 106.47 6.470 @ 106.70 6.484 @ 106.87
So, based on where the peak HP and TQ numbers are, what kind of flash range should I be looking for to get the best 60’ times?
For your MPH it should be running 10.0, I think your stall is too high and your spending too much time below the stall at the shift points, I believe that is also giving you the 10% slippage(which if you could go higher in the revs it wouldnt be that much slippage)... your going through the traps right at the right RPM(10% above peak HP RPM). I try to shift AT LEAST 1500 rpm above the stall point your shifting 700 rpm above stall.... what is you drop in rpm's between gears
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