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Message: [QUOTE="Strictly Diesel, post: 669822, member: 1411"] My drive line (pinion) brake works great...now. Took several iterations to get it worked out and make sure I can't accidentally engage it after launch. As currently configured I have about 1700psi to that brake when staging and it holds the truck perfectly...even at over 30psi of boost. I tried the trans brake a few years ago...2 problems. First, the brake didn't work well enough...truck moved out of the beams. That was an internal leak and could have been fixed. Bigger problem is that t-brakes require full manual valve bodys and manually shifting a 4R100 doesn't work. Even with a PCS controlling the trans, there is a significant delay and shift quality issue. The 4R needs to be put in drive and left there. I'm told it would work in an E40D case and shift right but I never tried it. BTW...great numbers David. Another .01 and you will match my best 1/4 mile ET. Guess I'm going to have to up my nozzle size to even the playing field...my little 200% just aren't going to cut it now. Misunderstood by my stupid smart phone! [/QUOTE]

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