View Full Version : Drivetrain problems with wider tires?
Batass
12-11-2006, 10:14 AM
Have any of you guys had any problems with either your t-56 or your stock 10-bolt rear with some nice tires say close to 315's or Corvette tires? I want to run these but I'm worried about the rear and the tranny, now how about with a supercharger?
Hot Black Trans-Am
12-11-2006, 10:54 AM
285's and no problems.
NHRAMAN
12-11-2006, 11:27 AM
285's and no problems.
:yup: ..but I have a TRUE TRAC that was discontinued in 01-02.
Roastem
12-11-2006, 01:33 PM
Since I have been running 295's I have broken a set of 4.10's, broken an early model BMR torque arm (mounted to welded subframe), and snapped a POS axle on the left side. Other than that, no problems. Oh yeah, and with 4.10's it whines like a gd freight train.
Batass
12-11-2006, 02:38 PM
So you have about 500 at the flywheel, and those tires still let go pretty easy?
Zboner
12-11-2006, 02:42 PM
i got 295's out back with an LT1 6 speed car with a S/C and my drag radials break 3rd gear on the street
Roastem
12-11-2006, 03:41 PM
All the way through second, up to about 65 mph or so. Big tires. Stock tires, hell, prolly spin up to 100 mph...in third.
M6HUGGERSS
12-11-2006, 04:59 PM
lets face it.... some drivers can break a rear on STOCK HP....
its ALL in the WAY you drive the car....!
my last 2 f-bodys had 4:10's.... NO NOISE, NO PROBLEMS....
and my last 400rwhp SS had 4:10's, stock clutch, and i NEVER had 1 problem with the drive train.
but i am a carful driver. easy on take-offs.... , never power shift, no burnouts......etc....
there was a local guy about 2 years ago i saw put 650+rwhp down on the dyno and he was still running the STOCK rear!
Batass
12-12-2006, 03:18 AM
Well I guess if the wheels break free easy and dont break anything with your 500hp, it wont make much of a difference with my 676hp. If the tires break free, they break free. And as long as thats the weakest link......I'm a thirdgen guy but I'd like a stock t56 and keep the stock rear, that's your drivetrain. I wouldnt beat the hell out of it too often, but there would be the occasional pony and ricer smoker.
What about having a clutch that slips just a little, that would help some driveline shock.
You guys run aftermarket axles though correct?
Roastem
12-12-2006, 06:47 AM
Everytime my rear end had problems, it was usually at the track or shortly afterward. During hard, dragstrip style launches.
I didn't spend all that money to baby it. :mommy:
But it is beginning to look like I will have to spend more for a 12-bolt.
Batass
12-12-2006, 08:17 AM
Yea, you're right. Well, its off to Spohn for me, thanks for the help guys!
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