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

Which Flywheel on T56 swap

Thread Tools
 
Search this Thread
 
Old 11-28-2012, 10:33 AM
  #1  
Junior Member

Thread Starter
 
jbradhill's Avatar
 
Join Date: Nov 2009
Location: Newport News, VA
Posts: 43
Likes: 0
Received 0 Likes on 0 Posts
Car: 1986 Camaro IROC Z28
Engine: 383 SBC
Transmission: T56
Axle/Gears: 3.75 LS
Which Flywheel on T56 swap

Background:
I have an 87' IROC Camaro with an earlier motor (not sure what yr) that has a 2pc rear main seal. I am swapping the 700R4 trans for a T56 out of a 97 Camaro.

Problem:
The 97 flywheel was for a 1pc rear main seal (smaller diameter hole and bolt pattern). I ordered an OE JEGS flywheel (12-3/8" 153-teeth, steel 16lb) 601200

The overall thickness of the new flywheel is ~1/2" less and the counterbore is not as deep as the original from the 97'. The clutch plate has the protruding springs side facing the flywheel and does not clear bolt heads to the flywheel.

Help:
Looking for the right flywheel that is a reasonable cost (new or used).

Thanks for looking and hopefully sharing some knowledge.

Brad
Old 11-28-2012, 11:24 AM
  #2  
Member

iTrader: (1)
 
LilSki's Avatar
 
Join Date: Feb 2010
Posts: 467
Likes: 0
Received 3 Likes on 3 Posts
Car: 85 Trans Am
Engine: 98 Vortec 350 LT1 Cam w/ TPI
Transmission: T56
Axle/Gears: 9 bolt 3:27
Re: Which Flywheel on T56 swap

The only flywheel that will work for you is a special conversion flywheel made by center force and it isn't cheap.

http://www.summitracing.com/parts/ctf-700107
Old 11-28-2012, 11:25 AM
  #3  
jmd
Supreme Member

iTrader: (4)
 
jmd's Avatar
 
Join Date: Jul 2000
Location: Aridzona
Posts: 6,330
Received 49 Likes on 48 Posts
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: Which Flywheel on T56 swap

There's more than one.

At the top of this forum, read "My T56 Swap Thread..." all the way through.

And https://www.thirdgen.org/forums/tran...-flywheel.html

Then you might have more questions, but at least the flywheel one will be answered.
Old 11-28-2012, 11:28 AM
  #4  
Member

iTrader: (1)
 
LilSki's Avatar
 
Join Date: Feb 2010
Posts: 467
Likes: 0
Received 3 Likes on 3 Posts
Car: 85 Trans Am
Engine: 98 Vortec 350 LT1 Cam w/ TPI
Transmission: T56
Axle/Gears: 9 bolt 3:27
Re: Which Flywheel on T56 swap

Oh I see there are more now. Either way none of them are cheap.
Old 11-28-2012, 11:31 AM
  #5  
Supreme Member
 
built91Z28's Avatar
 
Join Date: Feb 2010
Location: Orlando
Posts: 1,446
Likes: 0
Received 2 Likes on 2 Posts
Car: 1991 Camaro Z28
Engine: 357, Canfield heads, solid roller,
Transmission: Upgraded 03 Cobra T56
Axle/Gears: 9" 3.50 gears and Detroit Locker
Re: Which Flywheel on T56 swap

While not cheap, its actually not that bad of a price considering its a specialty, SFI approved, billet steel flywheel.
Old 11-28-2012, 02:29 PM
  #6  
Junior Member

Thread Starter
 
jbradhill's Avatar
 
Join Date: Nov 2009
Location: Newport News, VA
Posts: 43
Likes: 0
Received 0 Likes on 0 Posts
Car: 1986 Camaro IROC Z28
Engine: 383 SBC
Transmission: T56
Axle/Gears: 3.75 LS
Re: Which Flywheel on T56 swap

Ouch! My pocket just went numb.

Anyone have one for sale? Also, since there are a couple of choices, I would think aluminum or lightened would be better for performance applications. Anyone using any of these that would want to comment?

Thanks folks!
Old 11-28-2012, 03:35 PM
  #7  
jmd
Supreme Member

iTrader: (4)
 
jmd's Avatar
 
Join Date: Jul 2000
Location: Aridzona
Posts: 6,330
Received 49 Likes on 48 Posts
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: Which Flywheel on T56 swap

I mentioned the Spec (for all 2pc. non-400) and the Centerforce (for 400) in the other thread.

Jupiter mentioned using the flywheel you bought with a Ram hyd. TOB as another option. Search his threads.
Old 11-29-2012, 07:07 PM
  #8  
Junior Member

Thread Starter
 
jbradhill's Avatar
 
Join Date: Nov 2009
Location: Newport News, VA
Posts: 43
Likes: 0
Received 0 Likes on 0 Posts
Car: 1986 Camaro IROC Z28
Engine: 383 SBC
Transmission: T56
Axle/Gears: 3.75 LS
Re: Which Flywheel on T56 swap

I just found the Fidanza 198661 on Amazon for $348 (26% less). I guess that works. I like the lightweight aluminum & replacable clutch surface and ring gear.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
BlackphantomZ28
LSX and LTX Parts
1
10-19-2015 06:25 PM
19irocz85
Transmissions and Drivetrain
26
08-31-2015 10:31 PM
BlackphantomZ28
Engine/Drivetrain/Suspension Parts for Sale
4
08-31-2015 10:29 AM
19irocz85
Transmissions and Drivetrain
2
08-26-2015 07:54 PM
sreZ28
Engine Swap
4
08-14-2015 07:48 PM



Quick Reply: Which Flywheel on T56 swap



All times are GMT -5. The time now is 05:53 PM.