rivercat said:
what are you running to drag race with rubberneck? or do you drag race?
I have had the truck at the track, but its a pig. 9000lbs. Mostly play on the street. The truck currently has a Haisley mcleod in it. I have done several 3 pedal launches with my current clutch and it does pretty good. It is semi organic, though and you have to be carefull not to glaze it too severely, or it will be junk. They warned me when i bought it not to get to greedy with the gear if i ever decided to hook it to a sled.
Here is my clutch history. At 1200 miles, i smoked the stocker. At that time, the southbend con FE was the only clutch peter had for our trucks. I went that route and it did its job for another 30K miles. The FE holds very well once locked up, but it does not recover really well if slipped off the line. IE, if you three pedal it on the launch to build boost, sometimes it would not hook up unless i lifted the throttle. The cool thing about it, is that you really cant hurt it slipping it. I once was goofing around and got the pressure plate so hot, it went "numb". Absolutely no peddal pressure left. Once cooled down, it worked just fine. I ran it for another 15 k miles after that. The problem i had with it, is I like to hotrod, but I also tow 14-16K pound trailers on a pretty regular basis. Backing a trailer into a tight spot with the FE was a pain in the butt. Just too graby for what i liked. The 2 low kit pretty much took care of that problem, but i got tired of the grabbiness.
Peter had not gotten his twin discs to market yet, so i bought the Haisley modified mcleod street twin. I have been very happy with this clutch. Extremely smooth engagement, very fast shifting and relatively quiet. You do get the standart gear clash in neutral that most twin discs have. Might be very annoying in a quiet 3rd gen, but doesn't bug me. I have 65k on it, and it has performed well. I just finished building a house, and i needed to remove about 60-70 30 year old almond trees. I didn't have a tractor at the time, so i used old red and a 40ft snatch cord. worked great, but hurt the clutch a little im afraid. It is now shuddering on take off, so im in the market for another clutch. I think I will go back to southbend. 2 years ago, i won the southbend clutch give away on the TDR here. Since i had just put the haisley in my 01, and a brand new con ofe13x1. 25 in my 98, i didnt need a clutch at the time. So peter told me to wait until i needed one and give him a call. I think i am going to go for one of his twin discs. I have been hearing good things about them, plus peter is just a great guy to deal with. I am not sure which model yet, I dont know if it is a pipe dream or not, but i would like something as smooth as my mcleod, but not organic, so i can torture it a little. Maybe hook a sled or two and not hurt it. Im sure peter can help me out. FWIW, the only other twin disc i have driven was one of the old mitchell pulling clutches. Those things hold like beasts, but it was way slow shifting. Dont think it would be good drag racing. But i could be wrong on that.
Attention: TDR Forum Junkies 
Like mentioned above, i have a conOFE in a 98 12valve, and it does a really nice job. That truck doesnt get abused too much, but it does tow a 36' triple slide 5th wheel that weighs 16k. I smoked the stock clutch on the first trip up the grapevine with trailer in tow after adding #6 TST plate and 4K gove springs. ConOFE has never shown signs of nearing its limit. But again i dont "try" to slip that one. 
Man all this stuff is heavy, hopefully be done by miller time... Only hickup so far is a leaking rear transmission seal. 
