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

Manual transmission to replace auto

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Old Oct 17, 2011 | 11:45 AM
  #1  
jswim's Avatar
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Manual transmission to replace auto

I hope someone can help me with this question i want to replace my auto transmission in my 305 HO transam. I have a manual tranny from a v6 just wondering if it will work?? Can anyone let me know?
Thanks jeff
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Old Oct 17, 2011 | 12:22 PM
  #2  
G-reg's Avatar
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From: Manitowoc, WI
Car: 90 Camaro
Engine: 350 tpi
Transmission: t56
Axle/Gears: 4.10
Re: Manual transmission to replace auto

I don't think a v6 transmission will work on a v8, the bellhousing and input shaft are different among other things.. You can definitely swap an auto to a manual though if you get the transmission out of an 82-97 camaro or firebird with a v8.
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Old Oct 17, 2011 | 12:25 PM
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KrisW's Avatar
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From: Casselberry, FLA
Car: 88 V6 'bird/89TBI bird/85 T/A
Engine: 2.8/TBI/TPI
Transmission: V8 T-5/700R4 x2
Axle/Gears: 3.42 open/2.73 open/ 3.27 9 bolt
Re: Manual transmission to replace auto

Don't do it.

I swapped my V6 manual for a V8 manual, and I had to have a new clutch plate that would match the different input shaft.

You need a T56 from a 4th gen. A stick flywheel, and a shifter. It would be nice to get the hydraulics and clutch pedal too hahahhaha.

Good luck!
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Old Oct 17, 2011 | 12:33 PM
  #4  
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Re: Manual transmission to replace auto

Thanks sounds like used the v6 tranny may not be worth the effort
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Old Oct 17, 2011 | 07:30 PM
  #5  
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From: Niles, IL
Car: '91 LS6/T56/9"
Engine: LS6
Transmission: T56
Axle/Gears: Currie 9"/4.11, detroit truetrac
Re: Manual transmission to replace auto

Yeah not the way to go. T56 is the ticket!
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Old Oct 17, 2011 | 11:27 PM
  #6  
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jmd
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: Manual transmission to replace auto

The 2.9x first gear T5 or T56 are both very well ratio'd for a 3.73 geared L69. The V6 trans wouldn't be well matched to the engine in comparison.
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