Transmissions and Drivetrain Need help with your trans? Problems with your axle?

383 and a t-5

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Old May 11, 2009 | 05:29 PM
  #1  
Jekt's Avatar
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From: whiteman afb mo
Car: 1983 camaro
Engine: 350 soon to be 355
Transmission: T-5
383 and a t-5

well just wondering after i build this stroker, what would be the cheapest/least extensive way to go about the tranny. i know the stock t-5 will prolly not last long if i get on it.

this is going to be my weekend play car and maybe take it to the track 1-3 times a year to see the time she can put down. so it wont be abused on a regular basis. just wondering what the best route. i saw the TC 500's are about 2100 but i didnt call to see how much for the g-force.
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Old May 11, 2009 | 05:39 PM
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From: Carmel NY
Car: 85 IROC Ht
Engine: 383 carb
Transmission: T56
Axle/Gears: Moser 12 bolt 411
Re: 383 and a t-5

My t-5 did not last the engine break in period 100 miles with 383 . Go with a lt1 t56 you can do that for about 2000 complete .
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Old May 11, 2009 | 10:14 PM
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From: Ogden UT
Car: '88 Camaro (Gone...)
Re: 383 and a t-5

A G-Force will cost about $2,400, including the upgraded mainshaft, cluster support plate, labor and shipping both ways. Build it yourself and save $250 labor + about the same in shipping costs. I went the G-Force route because I like straight cut gears... No complaints from me.
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Old May 11, 2009 | 10:34 PM
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From: whiteman afb mo
Car: 1983 camaro
Engine: 350 soon to be 355
Transmission: T-5
Re: 383 and a t-5

will just a stock lts t56 be able to handle that much hp? or will that be something that will have ot be beefed up aswell?
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Old May 13, 2009 | 12:07 PM
  #5  
Twitch RS's Avatar
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From: Indiana
Car: 1991 Camaro RS
Engine: 3.1 V6
Transmission: 700 R4
Axle/Gears: 3.23
Re: 383 and a t-5

How much HP/TQ you going for? The T-56 will handle ALOT
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Old May 13, 2009 | 01:52 PM
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From: Ogden UT
Car: '88 Camaro (Gone...)
Re: 383 and a t-5

The T-56 is rated for 450 ft.-lbs. The G-force T-5 is rated at 500 ft.-lbs (with the upgraded mainshaft), and the TKO's are rated at 500 & 600. The T-5 is the only one that's a direct fit.

Ratings aren't perfect however. Impact is what really breaks them.
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Old May 13, 2009 | 04:44 PM
  #7  
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From: whiteman afb mo
Car: 1983 camaro
Engine: 350 soon to be 355
Transmission: T-5
Re: 383 and a t-5

well as of right now i have no clue what the 383 will put down. but i plan on sticking more money into the engine later. mainly just better heads. i found a site that will send you a t-5 and some accessories for different HPs. i think it was 350, 400, and 450. the 450 hp vers was about 1500 shipped. i think the 350 one was 1250 shippped but i think these prices are only for a limited time.

this is the site would love an opinion
http://www.astroperformance.com/

Last edited by Jekt; May 13, 2009 at 04:50 PM.
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Old May 13, 2009 | 08:09 PM
  #8  
383roller's Avatar
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From: Greensboro, North Carolina
Car: '86 Iroc-z
Engine: 385 stroker, vortecs, demon 750
Transmission: G-Force T-5
Axle/Gears: 9-bolt, 3.27s
Re: 383 and a t-5

Originally Posted by Jekt
well as of right now i have no clue what the 383 will put down. but i plan on sticking more money into the engine later. mainly just better heads. i found a site that will send you a t-5 and some accessories for different HPs. i think it was 350, 400, and 450. the 450 hp vers was about 1500 shipped. i think the 350 one was 1250 shippped but i think these prices are only for a limited time.

this is the site would love an opinion
http://www.astroperformance.com/
I don't know that company, but i would go the g-force route, or T-56. My g-force was about $1900 all togeather and is supposed to handle 600hp. Having a 383 i would feel safer with a g-force. I have yet to do any damage to my g-force with my stroker set up, and could'nt be happier with it. I have not heard anything bad about g-force either and i think they stand behind them.
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Old May 13, 2009 | 11:36 PM
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From: Ogden UT
Car: '88 Camaro (Gone...)
Re: 383 and a t-5

If you ask my opinion Jekt, the transmission is NOT the place to go cheap. To quote another board member: If you can't afford to do it right the first time, can you afford to do it again?
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Old May 14, 2009 | 01:10 AM
  #10  
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From: whiteman afb mo
Car: 1983 camaro
Engine: 350 soon to be 355
Transmission: T-5
Re: 383 and a t-5

guess i wont be going stroker yet. i guess ill just rebuild and bore what i got and get a tranny next year.
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Old May 14, 2009 | 07:51 PM
  #11  
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From: Corning NY
Car: 86' IROC
Engine: 388
Transmission: Built 700r4
Axle/Gears: 3.08 non-posi
Re: 383 and a t-5

Buy a 700r4 on craiglist, rebuild kit, overhaul manual, lock up kit, stall and flex plate and be out from under it at 800-1200 depending on the stall. DRIVE YOUR T5 LEISURELY!!! i would not try to grab any gear or dump the clutch in 2nd b/c it will break maybe not the 1st or 2nd time but it will shortly after.
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Old May 14, 2009 | 10:20 PM
  #12  
Jekt's Avatar
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From: whiteman afb mo
Car: 1983 camaro
Engine: 350 soon to be 355
Transmission: T-5
Re: 383 and a t-5

well yes the automatic rout ewould be easier but that would defeat the purpose of me hunting for 2 monthes to find a manual trans. this isnt going to be for racing either and i want my manual tranny.
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Old May 15, 2009 | 09:16 AM
  #13  
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From: Ogden UT
Car: '88 Camaro (Gone...)
Re: 383 and a t-5

Your T-5 should be ok for now, as long as you granny drive it. Don't even think about dumping the clutch on it now though, as your transmission isn't even a WC. Yours will be rated at 280 ft.-lbs
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Old May 15, 2009 | 10:05 AM
  #14  
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From: whiteman afb mo
Car: 1983 camaro
Engine: 350 soon to be 355
Transmission: T-5
Re: 383 and a t-5

well im in the military and have to move around alot so i cant afford to have it unrunnig unmoveable for very long. right now there is no chance of me moving my car lol.
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Old May 15, 2009 | 11:36 AM
  #15  
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From: Maui, Hawaii
Car: 1984 Trans Am
Engine: broken 385sbc
Transmission: G-Force rebuilt T-5
Axle/Gears: Currie 9" Ford 4.30:1
Re: 383 and a t-5

from what i have heard, t-5's usually only break on powershifts in 3rd gear since it is the middle of the gear cluster and the materials are weak. IMO, first would be the strongest gear. dont be afraid to dump the clutch but just dont expect your rearend to last long. wheelhop is your worst enemy. i shattered a posi from wheelhop on KUMHO street tires.. and those tires were a piece of crap. oh, dont try to powershift the stock trans either, the shock from powershifting is what moves the gears apart and thats when things break.



btw, i like my g-force. i got all the upgrades and its working like a charm. cost about $2700 shipped to my door. the 0.58:1 x-wide fifth gear is a life saver. i run 4.33 gears and @ 60mph i'm still under 2000rpm.
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