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Keeping my old transmission

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Old Aug 8, 2003 | 12:34 PM
  #1  
Big Juicy Z28's Avatar
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Keeping my old transmission

How Will a T-5 from a 305 hold up against a mildly built 355
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Old Aug 8, 2003 | 02:26 PM
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Jstcrzyengh's Avatar
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From: California
Car: 1988 Camaro Convertible
Engine: 355
Transmission: 700r4
Most will tell you that you will grenade it very quickly, and I would tend to agree. I believe, don't quote me, they are good to 350ft lbs of torque. If you are building a 355 and not getting close to that, what's the point of a 355

I say save up the thousand quickly while your T5 still lives and than go bu a t56 and be a very happy camper
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Old Aug 8, 2003 | 02:50 PM
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RB83L69's Avatar
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From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
Mine held up for a pretty good while behind a not-so-mildly built 400. Of course, I also tore up about a dozen before I learned my lesson, namely how to keep it alive.

It's all in driver technique. The 2 things you MUST NOT DO are yerbasic clutch dumps, and speed-shifting; in a word, drag racing. Even a 305 will destroy a T-5 if the driver decides to do those things. I tore up about 4 of them with the OE 305, before the 400 ever went in.

After I bit the bullet and realized it just wasn't a 4-speed, and adjusted my driving technique accordingly, I haven't torn them up any more.
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Old Aug 9, 2003 | 06:15 AM
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wingnut's Avatar
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From: Rochester Hills, MI
Car: '91 Firebird
Engine: 408 SBC
Transmission: T5
ditto

Mine is still getting the job done.
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Old Aug 9, 2003 | 03:24 PM
  #5  
Air_Adam's Avatar
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From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Mine (original) still works... kinda
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Old Aug 10, 2003 | 06:42 PM
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Jstcrzyengh's Avatar
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From: California
Car: 1988 Camaro Convertible
Engine: 355
Transmission: 700r4
Im sure you guys would still agree it would be better overall to get a T56 right? Heck do it the right way and get a 700r4
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