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

355 sb+Stock T5=Fail?

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Old Jun 9, 2009 | 10:19 PM
  #1  
dead sailor's Avatar
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Joined: Dec 2008
Posts: 52
Likes: 1
From: Long Island, New York
Car: 82 Z28
Engine: 355 solid roller (395 stroker soon)
Transmission: t-56
Axle/Gears: 9 bolt posi
355 sb+Stock T5=Fail?

Yeah, putting a T5 in my 82 z28 with a 355 sb. How much HP can the T5 handle? What is a better alternative T56?
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Old Jun 9, 2009 | 11:55 PM
  #2  
Air_Adam's Avatar
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Joined: Oct 2002
Posts: 9,067
Likes: 1
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
Re: 355 sb+Stock T5=Fail?

Originally Posted by dead sailor
= Fail?
Correct.

T56 would be a better choice, but a T5 will last if you don't abuse it too much.
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Old Jun 10, 2009 | 01:49 AM
  #3  
Camarslow's Avatar
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Joined: Apr 2008
Posts: 124
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From: Mt. Juliet, TN
Car: 1984 Z28
Engine: none
Transmission: none
Axle/Gears: 3.73
Re: 355 sb+Stock T5=Fail?

What kind of power will that 355 be making? Remember when 3rd gens started getting the 350 around '87 (iirc) they put the 700r4 behind those suckers cause they were worried about bone stock 350's breaking the t5.

I wouldn't go with the t5, but that's just me. As far as an alternative to the t56 (which would be really nice), a tko 500 or richmond 5 speed are also viable options.
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Old Jun 10, 2009 | 11:26 AM
  #4  
ZONES89RS's Avatar
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From: Hou. TX
Car: 86 TA, 91 B4C
Engine: 5.3, 4.8
Transmission: 4L80 4000, T56
Axle/Gears: 4.30 M12, 23.42 10 bolt
Re: 355 sb+Stock T5=Fail?

Personally, i have beaten a T5 to death, motors that went into the 11s, BUT i kept stock clutches and radials, so it would bust the tires loose and smoke the clutch before it killed the trans, a L98 with a 100 shot finally killed 3rd gear.
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Old Jun 13, 2009 | 11:29 PM
  #5  
dead sailor's Avatar
Thread Starter
Junior Member
 
Joined: Dec 2008
Posts: 52
Likes: 1
From: Long Island, New York
Car: 82 Z28
Engine: 355 solid roller (395 stroker soon)
Transmission: t-56
Axle/Gears: 9 bolt posi
Re: 355 sb+Stock T5=Fail?

The motor should be making around 350 hp. I already have the T5 so there's no turning back now. I'm just using it until I have enough money to get a stronger tranny.
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Old Jun 14, 2009 | 10:33 AM
  #6  
ZONES89RS's Avatar
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Joined: Dec 2006
Posts: 5,538
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From: Hou. TX
Car: 86 TA, 91 B4C
Engine: 5.3, 4.8
Transmission: 4L80 4000, T56
Axle/Gears: 4.30 M12, 23.42 10 bolt
Re: 355 sb+Stock T5=Fail?

Just run it till you get the next trans, go with a T56 next, you wont regret it, except unlike me, you dont have a donor car, so get a T56 from a 98-02 camaro or firebird, that way you can leave in the stock bell housing and use an adapter plate that will be able to use the stock clutch setup, you just need a new cross member and possibly a shorter drive shaft.
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Old Jun 16, 2009 | 10:45 AM
  #7  
dead sailor's Avatar
Thread Starter
Junior Member
 
Joined: Dec 2008
Posts: 52
Likes: 1
From: Long Island, New York
Car: 82 Z28
Engine: 355 solid roller (395 stroker soon)
Transmission: t-56
Axle/Gears: 9 bolt posi
Re: 355 sb+Stock T5=Fail?

alright thanks
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