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12-01-2020, 10:56 AM
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Senior Member
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Join Date: Aug 2012
Location: Bay Area, CA
Posts: 665
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Thanked 62 Times in 35 Posts
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new Tremec TKX 5speed is out! 8000rpm shifts rated at 600 ft/lbs
For those of you unhappy with your TKO600 here is the newest offering from Tremec..... the TKX 5speed!
https://www.hotrod.com/articles/trem...ssion-install/
Higher RPM shifting and smoother shifting
I'm sure the torque rating is very conservative.... as the T56 Magnum is rated at 700 ft/lbs .... and plenty of us are pushing 1000rwtq thru them without issues.
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Project: 1969 Chevelle, alum 5.3, GTS76 turbo, Chiseled Perf A/W intercooler, Holley Dominator EFI, Davis TC, JRi coilovers, 14" brakes, T56 Magnum. CTS-V Recaro seats!
Coffey Fabrication Nashville, TN doing the fabwork! 800rwhp+/25mpg+/9's@150mph goal
https://lateral-g.net/forums/showthread.php4?t=52976
1993 Mazda FD RX-7, built LS7, T56 Magnum, Holley HP, Davis Tech TC, 8.8" 3.73 Cobra IRS diff, DSS axles, Ohlins coilovers, big brakes.
CCW 18x11 front 315/30/18's and 18x12.5 rear on 335/30/18 RA1's, 2850lbs
10.31@137mph 165mph Shift-Sector 1/2 mile speed
441ci AllPro headed motor and 200lb weigh reduction in the works....
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The Following 2 Users Say Thank You to gnx7 For This Useful Post:
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03-20-2021, 12:14 PM
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Senior Member
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Join Date: Aug 2012
Location: Bay Area, CA
Posts: 665
Thanks: 4
Thanked 62 Times in 35 Posts
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Has anyone driven the TKX yet? How does it compare to a T56 Magnum (Fstyle)?
__________________
Project: 1969 Chevelle, alum 5.3, GTS76 turbo, Chiseled Perf A/W intercooler, Holley Dominator EFI, Davis TC, JRi coilovers, 14" brakes, T56 Magnum. CTS-V Recaro seats!
Coffey Fabrication Nashville, TN doing the fabwork! 800rwhp+/25mpg+/9's@150mph goal
https://lateral-g.net/forums/showthread.php4?t=52976
1993 Mazda FD RX-7, built LS7, T56 Magnum, Holley HP, Davis Tech TC, 8.8" 3.73 Cobra IRS diff, DSS axles, Ohlins coilovers, big brakes.
CCW 18x11 front 315/30/18's and 18x12.5 rear on 335/30/18 RA1's, 2850lbs
10.31@137mph 165mph Shift-Sector 1/2 mile speed
441ci AllPro headed motor and 200lb weigh reduction in the works....
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03-22-2021, 12:30 PM
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Junior Member
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Join Date: Nov 2019
Posts: 17
Thanks: 12
Thanked 15 Times in 10 Posts
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I've got my TKX in the car since summer last year but the build isn't done so I haven't driven it yet. No mod to the trans tunnel was required. I am coming from a T-5Z with a small block ford making 350hp. The car now has an LS7 making over 500whp. Should be fun
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The Following 3 Users Say Thank You to cabudge09 For This Useful Post:
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07-13-2021, 05:08 PM
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Senior Member
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Join Date: Mar 2019
Location: Huntington Indiana
Posts: 264
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ANy updates on the performance of the TKX ?
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07-13-2021, 05:49 PM
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Senior Member
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Join Date: Oct 2012
Location: Beach Park. IL
Posts: 928
Thanks: 10
Thanked 168 Times in 100 Posts
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I have installed two.
One replaced a TKO and the customer was ecstatic. Shifts are so much cleaner.
The other replaced a Richmond 5 speed and that was also significantly nicer to drive.
Shift throws seemed long to me but both cars had relatively tall shifters and I am comparing to the 6" stick on my T56. I didn't get to really wail on either car so I can not comment on high rpm shifting.
__________________
Donny
Support your local hot rod shop!
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07-20-2021, 10:54 AM
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Senior Member
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Join Date: Aug 2012
Location: Bay Area, CA
Posts: 665
Thanks: 4
Thanked 62 Times in 35 Posts
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I just sold a customer a close ratio TKX with the .81 5th gear. Hopefully he will be driving it this month and give us some feedback. LS swapped 70's C10 truck
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The Following User Says Thank You to gnx7 For This Useful Post:
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