The PTC has less slip when it couples but loses torque multiplication very early in a run. Daves converter has more slip than the PTC while it is coupled but multiplies torque for ever. It doesn't have the best coupling,but much improved. Add the torque multiplication and you will feel the difference over other 9.5 inch converters.For the numbers I posted the slip is 12.8%. I think that is good for a LU and from I have seen posted probably the best LU converter numbers unless the converter can be locked at WOT. Some guys have posted around 5% slip numbers for the PTC NLU converters. A NLU will likely be my next converter. I would like to see some more NLU numbers.
Don't mean to hijack this thread but may I ask what exhaust housing you're using on the TE45A to run those times and what stall?I run Dave’s 3521 nl converter. My combo is in my signature. 10.27 @ 133mph ,weighs with me in it 3850. Dave’s converter flat out works. I picked up about 4 tenths and 7mph over a original 9 inch art carr converter 16930. Dave’s sells lockup and non lock up of the 3021.
Charles it sounds like your are getting ready for the TB.com Nationals. Ru still gona run THS this year.He Jim I haven't commented because my combo really isn't like yours but I did just install Daves 3021 a couple weeks ago ( with Patrick's help!). It replaced an old vigilante of unknown age/ spec. I'm a pretty crappy driver at the track but I did go to test and tune last week and there is no doubt the car is quicker. Picked up at least 3-4 tenths et on average I'd say. Ran a best of 7.38 at 95 mph, my best for sure. It feels really good.
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