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

t56 in a 350 sbc?

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Old Oct 19, 2012 | 10:54 PM
  #1  
guitarguy224's Avatar
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From: Richmond, VA
Car: 1989 Pontiac Firebird
Engine: 2.8L V6 (For now)
Transmission: 700r4
t56 in a 350 sbc?

I am gearing up to get my new motor put in but first i need the transmission that will mount behind it....i wanna get the t56 obviously, but i wanna know what all will need to be done to get it to mount up behind my 350....it is a 4 bolt main, bored.30 over with afr heads and stage 3 port and polish job....thanks
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Old Oct 19, 2012 | 10:59 PM
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neeb_usmc's Avatar
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From: Buffalo NY
Car: 1985 Trans AM
Engine: 350 ATK Performance
Transmission: T56
Axle/Gears: Eaton 3.73
Re: t56 in a 350 sbc?

there are a few threads on the conversion I believe. Its not a hard swap to do
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Old Oct 19, 2012 | 10:59 PM
  #3  
guitarguy224's Avatar
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From: Richmond, VA
Car: 1989 Pontiac Firebird
Engine: 2.8L V6 (For now)
Transmission: 700r4
Re: t56 in a 350 sbc?

i couldnt find one on the swap for a 350 small block...
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Old Oct 19, 2012 | 11:33 PM
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Z28ricer's Avatar
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From: Tampa, FL, USA
Car: 93 240SX
Engine: LQ9
Transmission: T56
Axle/Gears: 3.54 R200 IRS
Re: t56 in a 350 sbc?

Where did you find many threads NOT related to sbc ?

Virtually all of the threads here are referring to normal SBC, unless its on an LS1, and then you usually arent hearing any asking.
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Old Oct 19, 2012 | 11:34 PM
  #5  
L695speed's Avatar
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From: Andover, NJ
Car: '88 Trans Am GTA; '84 Trans Am
Engine: L98 350TPI; 5.3 LSx built
Transmission: N/A; T56
Axle/Gears: 3.70 9 bolt; 3.73 10 bolt
Re: t56 in a 350 sbc?

Originally Posted by guitarguy224
i couldnt find one on the swap for a 350 small block...
all the sbcs are the same pattern on the back. Whether they're a 305 or 350 or variations. So whatever thread you find will work. The only major thing you need to watch for is whether your motor has a 2 piece or one piece RMS. if 1 piece, can use stock flywheels for the application, if 2 piece then you are in need of a $$$$$$ flywheel.
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Old Oct 20, 2012 | 01:42 AM
  #6  
Zach/90\irocZ's Avatar
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From: San Diego, California For Now
Car: 88 Formula, 90 Iroc RIP, 92 RS Sold
Engine: 305 to 350
Transmission: 700r4
Axle/Gears: 10 Bolt
Re: t56 in a 350 sbc?

??? There's a sticky lol on swap t56
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Old Oct 21, 2012 | 12:47 AM
  #7  
vetteoz's Avatar
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: t56 in a 350 sbc?

Originally Posted by zachary3
??? There's a sticky on swap t56
Top of the trans page
My T56 Swap Thread....
11 pages

https://www.thirdgen.org/forums/tran...ap-thread.html
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Old Oct 21, 2012 | 11:48 AM
  #8  
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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: t56 in a 350 sbc?

If it says LT1/LT4, it's about an 86 and newer SBC; they're identical in how the transmission and flywheel bolt up.

If you have specific questions not addressed there, ask them.
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Old Oct 21, 2012 | 11:41 PM
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Zach/90\irocZ's Avatar
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From: San Diego, California For Now
Car: 88 Formula, 90 Iroc RIP, 92 RS Sold
Engine: 305 to 350
Transmission: 700r4
Axle/Gears: 10 Bolt
Re: t56 in a 350 sbc?

Originally Posted by vetteoz
Top of the trans page
My T56 Swap Thread....
11 pages

https://www.thirdgen.org/forums/tran...ap-thread.html

are you referring to me.. I was talking to who wrote OP that there's a sticky ??!?
The guy who I quote below !


Originally Posted by guitarguy224
i couldnt find one on the swap for a 350 small block...

I know theres a t56 sticky and thread in the trans section ???


Originally Posted by jmd
If it says LT1/LT4, it's about an 86 and newer SBC; they're identical in how the transmission and flywheel bolt up.

If you have specific questions not addressed there, ask them.

I agree just ask also you can search I find it easier to search on google tho and add thirdgen at the end

Last edited by Zach/90\irocZ; Oct 21, 2012 at 11:47 PM.
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Old Oct 25, 2012 | 12:49 PM
  #10  
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From: Wichita Falls, TX
Car: 91 Firebird,00 c2500,75 Vette
Engine: 3.1 but 350 soon, 350, 350
Transmission: T56 soon
Axle/Gears: stock 3.42 Posi to come
Re: t56 in a 350 sbc?

As for the sticky posted by Vetteoz, it is very informative and most everything is answered in the first four pages. I have read it several times myself.
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Old Oct 30, 2012 | 02:29 PM
  #11  
rlewi771's Avatar
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Car: 86 IROC
Engine: 350 ZZ4
Transmission: TKO-600
Re: t56 in a 350 sbc?

i'm not sure if those threads will work with his stage 3 port and polish job
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