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Question about rear main?

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Old Apr 29, 2007 | 03:44 PM
  #1  
88formula305tpi's Avatar
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From: Niagara Falls
Car: 1988 Firebird Formula WS6
Engine: 305 tpi lb9
Transmission: 5 speed
Axle/Gears: 3.45
Question about rear main?

I have an 88 formula 305 tpi. Is it a one or two piece rear main, I heard that it is a one piece rear main since it was built after 86? The reason I need to know is because I want to know if my flywheel will work for the t56 swap.
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Old Apr 29, 2007 | 03:53 PM
  #2  
strokermotor91's Avatar
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Joined: Oct 2006
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From: Fallon, NV
Car: 91 Camaro RS
Engine: Small Block
Transmission: TH350 w/ 3000 stall convertor
Axle/Gears: 3.73 w/ powertrax locker
Re: Question about rear main?

You are correct it is a 1piece RMS.
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Old Apr 29, 2007 | 04:02 PM
  #3  
88formula305tpi's Avatar
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From: Niagara Falls
Car: 1988 Firebird Formula WS6
Engine: 305 tpi lb9
Transmission: 5 speed
Axle/Gears: 3.45
Re: Question about rear main?

I have an 05 viper t56, will an lt1 clutch bolt to that flywheel if i get the right bellhousing for the t56?
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Old Apr 29, 2007 | 07:44 PM
  #4  
SpitotRs305's Avatar
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Car: 91 RS
Engine: 350 vortec
Transmission: T-5
Axle/Gears: not the best not the worst
Re: Question about rear main?

you mean a T-56 from a dodge viper?

or the aftermarket GM/viper T56. i am prettysure it will

Accepts stock GM clutches,linkage,T.O.B.,pilot bearing,trans. mount

Last edited by SpitotRs305; Apr 29, 2007 at 07:48 PM.
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Old Apr 29, 2007 | 07:51 PM
  #5  
88formula305tpi's Avatar
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From: Niagara Falls
Car: 1988 Firebird Formula WS6
Engine: 305 tpi lb9
Transmission: 5 speed
Axle/Gears: 3.45
Re: Question about rear main?

The transmission is from an srt-10 ram, someone had it replaced under warranty and they didn't want it back so I offered to take it. I need the gm bellhousing that uses a hydrualic throwout bearing not sure if it will work with the input shaft tho.
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Old Apr 29, 2007 | 07:56 PM
  #6  
SpitotRs305's Avatar
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Car: 91 RS
Engine: 350 vortec
Transmission: T-5
Axle/Gears: not the best not the worst
Re: Question about rear main?

count the the teeth on the shaft it should be 26 i think and be 1.125 wide i think
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Old Apr 29, 2007 | 08:03 PM
  #7  
88formula305tpi's Avatar
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From: Niagara Falls
Car: 1988 Firebird Formula WS6
Engine: 305 tpi lb9
Transmission: 5 speed
Axle/Gears: 3.45
Re: Question about rear main?

yeah it is a 26 spline, i don't have the t-5 out but the pilot bearing for that is alot smaller, i think i have to swap the shaft from the gm t-56 that has the smaller tip for the pilot bearing.
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