weak T5?

radster87 · July 16th, 2007, 02:34 AM

I am currently building a 83gt for road racing. I want a 5 speed, but i was told that the stock t-5 would not hold up to the 500 crank HP of my 351W. Is this true, and if it is what would be a good tranny to use? A t56?

neverfastenough1 · July 16th, 2007, 03:18 AM

If its a 83 t5, it is rated at 265 ft lbs. If it is a late 89 or later it is rated at 300 ft lbs. If its a Cobra t5 it is rated at 310 ft lbs. The t56 is rated at 450 ft lbs. You can get aftermarket t5's that can handle 600 hp. The tko 500 is 500 ft lb and the tko 600 is 600 ft lb.

http://www.moderndriveline.com/Techn...t5_history.htm

http://www.ttcautomotive.com/English/products/T-56.asp

http://www.ttcautomotive.com/English/products/TKO.asp

G-Force has t5's and t56's or kits fro them. Takes the t56 to 800 ft lb and the t5 to 500 ft lb.

http://www.gforcetransmissions.com/

radster87 · July 16th, 2007, 03:53 AM

Thanks for the info. very useful.

ryans88gt · July 16th, 2007, 12:52 PM

Just a note, that G-force will be the first to tell you that their T5 kits are only good to 400 hp or so if you are using it for drag racing with slicks.

HPDE · July 16th, 2007, 02:37 PM

Have you had the car on track yet? Unless your a seasoned driver, thats a large amount of power for road racing. Are we talking HPDE, or W2W sanctioned body racing?

If you don't mind, I'd be interested in some details/photos of your car. I'm big into track and always disliked the mustang until I saw a 5.0 absolutely clean up. I'm interested in finding out what it would take for me to build one.

radster87 · July 17th, 2007, 02:25 AM

Originally Posted by HPDE

Have you had the car on track yet? Unless your a seasoned driver, thats a large amount of power for road racing. Are we talking HPDE, or W2W sanctioned body racing?

If you don't mind, I'd be interested in some details/photos of your car. I'm big into track and always disliked the mustang until I saw a 5.0 absolutely clean up. I'm interested in finding out what it would take for me to build one.

have not had the car on the track yet, it is actually completely stripped at the moment. no suspension, no drive train, no body panels. I just go my roll cage in the mail today.

I am not racing in sanctioned events, just at a local track so i have lot of freedom. May move up later though. I have raced an 86Gt on this track for 3years. It was all stock except suspension, but I think i can handle the power.

July 16th, 2007, 02:34 AM	#1
radster87 Regular Join Date: Jul 2007 Location: Livingston, TN Posts: 158	weak T5? I am currently building a 83gt for road racing. I want a 5 speed, but i was told that the stock t-5 would not hold up to the 500 crank HP of my 351W. Is this true, and if it is what would be a good tranny to use? A t56? __________________ with this much horsepower it is hard to act maturely.

July 16th, 2007, 03:18 AM	#2
neverfastenough1 Hardcore Enthusiast 2002 Mustang GT Join Date: May 2007 Location: Savannah, Ga Posts: 2,157	If its a 83 t5, it is rated at 265 ft lbs. If it is a late 89 or later it is rated at 300 ft lbs. If its a Cobra t5 it is rated at 310 ft lbs. The t56 is rated at 450 ft lbs. You can get aftermarket t5's that can handle 600 hp. The tko 500 is 500 ft lb and the tko 600 is 600 ft lb. http://www.moderndriveline.com/Techn...t5_history.htm http://www.ttcautomotive.com/English/products/T-56.asp http://www.ttcautomotive.com/English/products/TKO.asp G-Force has t5's and t56's or kits fro them. Takes the t56 to 800 ft lb and the t5 to 500 ft lb. http://www.gforcetransmissions.com/ __________________

July 16th, 2007, 03:53 AM	#3
radster87 Regular Join Date: Jul 2007 Location: Livingston, TN Posts: 158	Thanks for the info. very useful. __________________ with this much horsepower it is hard to act maturely.

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July 16th, 2007, 12:52 PM	#4
ryans88gt MM Fanatic Join Date: May 2007 Location: Bloomington, IL Posts: 4,210	Just a note, that G-force will be the first to tell you that their T5 kits are only good to 400 hp or so if you are using it for drag racing with slicks.

July 16th, 2007, 02:37 PM	#5
HPDE Newbie Join Date: Jun 2007 Posts: 22	Have you had the car on track yet? Unless your a seasoned driver, thats a large amount of power for road racing. Are we talking HPDE, or W2W sanctioned body racing? If you don't mind, I'd be interested in some details/photos of your car. I'm big into track and always disliked the mustang until I saw a 5.0 absolutely clean up. I'm interested in finding out what it would take for me to build one.

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