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I have a sbc 355 cu in -10.1 comp -500 lift hyd. cam- 230 @. 050-turbo 350 trans-3200 lb's -28 in tall tire-3.70 gear. shifts at 5800 -rpm falls back about 1000 rpm bet. shifts cross the line at 5500 rpm--best et. is 12.30 @ 108 mph-1.67 60 ft. The converter in question is an ATI 10 in 4000 stall. Problem I think (reason for the post) I can't load the converter at the starting line more than 1400 rpm or it will push the car out of the lights,but coming down the return road at 30 mph in 3rd gear I can floor it and it will flash to 3600-3800 rpm. Should the converter stall more than 1400 rpm on the footbrake.Some say the car should be staged at an idle at 900 rpm and then stab it. I'm thinking it should be loose on the footbrake while staging, Looking for a 11.99. Thanks- Bob D.
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Options--10 in hughes conv 4500 stall
4.11 gear change
518 -536 solid lifter-106- cam change
 

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You really won't see any big gains by being able to increase RPM on the footbrake. I would like to see a little more stall speed and I would suggest an 8" converter with around 4800 stall speed and hopefully you could take the motor up to 6000 RPM.
I think that will get you an 11.99 pretty quick.
Loading the car too hard on the footbrake will just take away all the transfer the has and may just make it spin.

Hutch
 

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Discussion Starter #3
8 inch on the way

Hutch- Thank you for the reply. Bob
 
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