View Poll Results: Will Supra Auto TT LSD work in sc300 rear pumpkin w/ stock ring gear & pinion shaft?
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Supra Auto TT LSD Install in sc300 pumpkin?
06-26-07, 09:03 PM
#31
The n/a LSD is ~4.0 gearing. The TT Auto LSD is 3.76 gearing. For reference, the SC300 auto is 4.27, the SC400 is 3.92 until 98 when they went to 3.26 for the five speed auto, and the SC300 manual is 4.08.
If you switch from 4.27 to 3.76 gears, your speedo will read low. In other words, you are traveling 70 when your speedo says you are going ~62mph. It is a simple ratio to evaluate the error. Also, lower gearing means less whips off the line at the expense of the theoretical ability to reach a higher top speed (assuming you have the necessary speed cut controller and the power to get you to Mach 1).
Many American muscle car guys are all about gears. It is very common for Mustang and Camaro guys to tailor their performance by swapping out the gears for top end thrill or neck-snapping launches.
07-05-07, 03:17 PM
#33
Lexus Test Driver
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the Supra TT AUTO torsen differential unit DOES fit int he NA rear differential housing.
08-29-07, 11:11 AM
#36
Lexus Champion
01-21-08, 05:19 PM
#38
That's good to know. Are you running a 2jz-gte with the factory 5 speed?
Supra twin turbo automatic torsen limited slip differential has been installed into my Lexus SC300 Rear differential housing. Everything feels butter smooth and the car is so much more stable when turning and braking now, it feels much safer and predictable to drive. When I accelerate or go WOT (wide open throttle), the car now goes straight instead of toqueing to the side and making the rear-end squirley. Dynosaur Performance did the install in just one morning!
These guys ALWAYS deliver what they promise, have many years of experience, and do the job RIGHT the first time. If you're in the Dallas Fort Worth area or just want your car in a truly GREAT shop, this is a "Dejacky Approved" and highly recommended shop!
Dynosaur Performance
Authorized Dyno Center for Powerhouse Racing
4551 Bailey-Boswell Road
Fort Worth, TX 76179
Ph: (817) 614-3740
These guys ALWAYS deliver what they promise, have many years of experience, and do the job RIGHT the first time. If you're in the Dallas Fort Worth area or just want your car in a truly GREAT shop, this is a "Dejacky Approved" and highly recommended shop!
Dynosaur Performance
Authorized Dyno Center for Powerhouse Racing
4551 Bailey-Boswell Road
Fort Worth, TX 76179
Ph: (817) 614-3740
01-21-08, 08:00 PM
#39
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https://www.clublexus.com/forums/sho...d.php?t=171570
04-10-08, 08:58 PM
#41
Any SC rear end is compatible with the Supra TT Auto LSD. Any SC rear end is also compatible with the Supra n/a LSDs (both 5MT and 4AT).
The only Supra LSD that is not compatible with the SC rear ends is the TT 6MT LSD.
I have personally swapped a TT Auto LSD into an SC300 A/T rear end. I have a good friend on the forums who has done the same swap into an SC400 rear end.
The only Supra LSD that is not compatible with the SC rear ends is the TT 6MT LSD.
I have personally swapped a TT Auto LSD into an SC300 A/T rear end. I have a good friend on the forums who has done the same swap into an SC400 rear end.
04-10-08, 10:43 PM
#42
Any SC rear end is compatible with the Supra TT Auto LSD. Any SC rear end is also compatible with the Supra n/a LSDs (both 5MT and 4AT).
The only Supra LSD that is not compatible with the SC rear ends is the TT 6MT LSD.
I have personally swapped a TT Auto LSD into an SC300 A/T rear end. I have a good friend on the forums who has done the same swap into an SC400 rear end.
The only Supra LSD that is not compatible with the SC rear ends is the TT 6MT LSD.
I have personally swapped a TT Auto LSD into an SC300 A/T rear end. I have a good friend on the forums who has done the same swap into an SC400 rear end.
02-07-09, 03:07 PM
#43
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it has been a while i installed my auto tt lsd in my sc300 5 speed pumpkin... but before to install it on the car the snow stopped me, today it was nice out i went back to install it on and i cant get the two long front bolts to line up with the holes... the 3 number 12 hallen bolts at the back are in but it is still off by a bit at the front... anyone had this problem and solved it?
04-20-09, 11:24 PM
#44
Okay, my stock diff blew, ordered TRD LSD (Auto) for my 5 sp. now trying to find the part number to 10 bolts that goes in the ring gear. Toyota Spec says not to re install original bolts. Does anyone know the stock number of specification of the 10 bolts?
