13.0 6g72 Sundance Duster - Video
Clutch was slipping bad but still got some decent 60's on my 2nd and 4th passes. Was pretty pissed that the clutch kept me out of the 12's. I ran the 13.0 and then upped the boost a little and ran slower because the clutch slipped worse.
Camera battery almost dead so i didn't spend time getting a pic that is readable when downsized.
my buddy picked up 6 MPH after he found out his clutch was slipping at higher RPM, there was too much pressure on the clutch cable....not the actual clutch slipping
thats awsome
Good Job
Lots of potential there
Nice. How much boost are you running?
8psi.3.0 turbo FTW!!!!!
Thats how the clutch got glazed. Clutch cable too short for the new style clutch arm on transmission.Originally Posted by Juggy
But there also might be oil on the clutch.
In my 2nd run when I shift into 3rd you can hear it bog because it was slipping in 2nd and it didnt slip when i hit 3rd.
Last edited by Ondonti; 06-06-2008 at 09:22 PM.
Clutch looks dry!!!!!!!!!!!!!!!!!!!!!!!!!!!!
But look how dead it is! Its been spinning hardcore! I am amazed it was still running 13.0 last friday!
down to the rivits. Clutch only has 500 miles and almost all of that is freeway.
500 miles and that much wear....... something is keeping it from fully engaging.
jeepers. thats pretty bad.
that hard insert on the flywheel doesnt help alot either. the factory flywheel is a softer metal. but at least you can replace those inserts.
that car will be flying once you get a clutch to hook enough to to turn the boost up. good job.
thats on megasquirt right?
Brian
Stock computer and RRfpr right now. Just tune it with wideband as much as I can control.
Megasquirt will give me the top 1000rpms of my powerband that I am currently missing.
Once I glazed the clutch from the stupid clutch arm difference between 89 and 91 transmissions, it was toast. 2 more track visits and you can see its dead.
Lose the aluminum flywheel, your motor makes too much power for that thing. High HP motors 'spin up' so quick that the clutch never catches up, it is already slpipping from the shift and it gets worse as the power hits. 2-3 TM guys I know have come to the same conclusion. One guy (who's clutch didn't get nearly as baked as yours before he pulled the trans) was able to BeadBlast the disc and PP, install an iron flywheel in place of the Al one, and started beating on it after a few break in miles. The same clutch (with a few more PSI boost) has never slipped since
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Agreed from above, put the stocker back on. Your 3L makes enough horses to spin it up quick enough.
Aluminum flywheels are only good on 4cyls IMO.
nah, Im gonna keep it until I kill a clutch from pure power. Steel flywheels are something I will get back into if I run 600+ HP because the crankshaft will thank me. I doubt I will ever turn things up that much.
Plenty of people put down 500-600 on 6g72's with aluminum flywheels (including fidanza).
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