Well, how much is too much on one of these T-5 tranny's? I'm running a stock '86 Z and want to upgrade the sh... heck out of it. Or would it just be better to save my duckets and go to a richmond 5/6 speed?

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Arian Boy
'86 IROC-Z (Stock)
Gotta save the cash 'cuz 155 HP ain't gonna cut it!

 

There is no magic number, it varies according to driver abuse, engine, and tires. It should last forever if you dont abuse it. If you race, plan on replacing it.

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1991 Camaro Z28
5.7L 5-Speed (originally 305)
317 RWHP, 418 RWTQ
13.23 @ 107.62 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Member: SoCal F-Bodies
-=ICON Motorsports=-

 

WC? strong I just broke mine though. I took so much abuse I can't believe it.

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1991 Firebird
350 L98 (was a 305 TBI),T-5,Edelbrock TES and cat back,Accel manifold
NOS,subframes,jegster torque arm,MSD Digital 6
AFPR,Lakewood lcas
Hurst linelock,SLP cam (206 212 .480 .486),relocated battery,cold air,Hypertech chip,centerforce df,clutch
poly bushings and mounts
AFR 190s
Harland sharp 1.5 rockers
autopower rollbar

12.33 @ 114.83 juiced uncorrected

13.510 @ 102 non juiced uncorrected

 

They usually hold up pretty good as long as
you don`t launch too hard on a slick,when the tires are spinning the tranny doesn`t
have to take the whole load.There are alot
of 11 and 12 second rustangs using stock
T-5`s.They don`t last forever but they are
stronger than most people think.

 

So it could stand up to 400-500+ HP and survive as long as I'm not dropping the clutch at 2 or 3 Grand. You see, I'm wanting to build bad, but I'm doing some research first to see what I'll have to build first. It'll take a lot of time but I've got BIG plans... just like everyone else I suppose

 

Banging second gear took mine out pretty quick,though I didn't dump the clutch often off the line.If you beat on it, even a stock 305 will destroy it...I've done it.Get a stronger trans if you plan on drag or road racing it.
-Rich-


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1992 RS,5 Speed,T-Tops,Eibach Springs(cut), KYB's, Lakewood Trailing Arms and Adjustable Panhard Bar,Posi Disc Rear,3.73 Gears,Summit Rearend Support Cover,
Del-A-Lum Bushings,300 HP Crate Motor,Crane Comp-U-Cam,Edelbrock TBI Intake, Turbo City Ported Throttle Body and Adjustable Fuel Pressure Regulator,Open Element
Air Cleaner, Ground Control Strut Tower Brace and Caster/Camber Adjusters,SLP 1-5/8" Headers,Flowmaster 3" American Thunder Exhaust,3" Cat,Centerforce Dual
Friction Clutch,Hayes Billet Flywheel,B&M Power Steering Cooler,Big Thumpin' Stereo.

 

So far so. See my sig. Also, I don't power shift.

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'91 Formula
383CI Superram, Sportman II's
SLP Cam 214/224 .470/.490
Vortech V1 S-Trim
5-speed
3.42
12.34@117.04, 1.91 60Ft.
on Drag Radials