C5 Forced Induction/Nitrous C5 Corvette Turbochargers, Superchargers, Centrifugal, Twin Screw & Roots Blowers, Twin Turbo Kits, Intercoolers, Wet & Dry Nitrous Injection, Meth
Sponsored by:
Sponsored by:

What did I break in the trans?? car no move

 
Old 03-01-2019, 04:23 AM
  #1  
FourG63 97GST
CF Senior Member
Thread Starter
 
FourG63 97GST's Avatar
 
Member Since: Mar 2006
Location: South Florida FL
Posts: 2,338
Liked 73 Times in 61 Posts
Default What did I break in the trans?? car no move

So I was about to party, then the party stopped with audible snap
no leaks, both rear wheels turn when I jack it up, what shaft should I expect to be broken when I disassembly?

FourG63 97GST is offline  
Old 03-01-2019, 08:11 AM
  #2  
chris308
CF Senior Member
 
chris308's Avatar
 
Member Since: Sep 2006
Location: Florida
Posts: 2,592
Liked 70 Times in 64 Posts
Default

output shaft maybe
chris308 is offline  
Old 03-01-2019, 09:13 AM
  #3  
ascastil
CF Senior Member
 
Member Since: Sep 2013
Posts: 636
Liked 26 Times in 25 Posts
Default

That's weird, you weren't even barely moving. I was e expecting a hard launch or something.
ascastil is offline  
Old 03-01-2019, 11:01 AM
  #4  
Turpid porpoise
CF Senior Member
Support Corvetteforum!
 
Turpid porpoise's Avatar
 
Member Since: Jul 2014
Location: Virginia
Posts: 1,417
Liked 118 Times in 111 Posts
Default

You still on the T56 and C5 diff?
Turpid porpoise is offline  
Old 03-01-2019, 12:22 PM
  #5  
mykream
CF Senior Member
 
Member Since: Oct 2016
Location: Massillon Ohio
Posts: 445
Liked 31 Times in 29 Posts
Default

mainshaft
mykream is offline  
Old 03-01-2019, 12:47 PM
  #6  
JoeyG
CF Senior Member
 
JoeyG's Avatar
 
Member Since: Aug 2000
Location: St. Joseph MO
Posts: 4,369
Liked 53 Times in 51 Posts
Cruise-In III Veteran
Cruise-In IV Veteran
Default

If you hear gear lash/wine with the car jacked up and spinning either wheel, youve lost the trans output shaft more than likely
JoeyG is offline  
Old 03-01-2019, 02:29 PM
  #7  
FourG63 97GST
CF Senior Member
Thread Starter
 
FourG63 97GST's Avatar
 
Member Since: Mar 2006
Location: South Florida FL
Posts: 2,338
Liked 73 Times in 61 Posts
Default

That's what I was thinking, trans shift, wheels turn normal by hand, but I have all neutrals. Ordered a gforce main shaft, I'll disassemble over the weekend. Rematch rescheduled

Originally Posted by Turpid porpoise View Post
You still on the T56 and C5 diff?
Yes, Stockish stuff, I have hardened output in the diff.
FourG63 97GST is offline  
Old 03-01-2019, 02:33 PM
  #8  
mykream
CF Senior Member
 
Member Since: Oct 2016
Location: Massillon Ohio
Posts: 445
Liked 31 Times in 29 Posts
Default

Not going to be that simple I'm afraid. Depending where it broke, either in or outside of the diff.. You may have some pieces in the diff. I'd have it gone through to be safe.
mykream is offline  
Old 03-01-2019, 04:08 PM
  #9  
FourG63 97GST
CF Senior Member
Thread Starter
 
FourG63 97GST's Avatar
 
Member Since: Mar 2006
Location: South Florida FL
Posts: 2,338
Liked 73 Times in 61 Posts
Default

Originally Posted by mykream View Post
Not going to be that simple I'm afraid. Depending where it broke, either in or outside of the diff.. You may have some pieces in the diff. I'd have it gone through to be safe.
I can return if needed be, I rather eat the shipping if i dont need it, than to have it shipped out next week.
I'll adapt if the situation is worst when I open it up.

Last edited by FourG63 97GST; 03-01-2019 at 04:08 PM.
FourG63 97GST is offline  
Old 03-01-2019, 04:11 PM
  #10  
mykream
CF Senior Member
 
Member Since: Oct 2016
Location: Massillon Ohio
Posts: 445
Liked 31 Times in 29 Posts
Default

No I mean, the mainshaft is 99% most likely the problem.. But I'm saying pieces of it may be broken inside the diff floating around.
mykream is offline  
Old 03-02-2019, 03:28 PM
  #11  
all4spl
CF Senior Member
 
Member Since: Apr 2014
Posts: 604
Liked 6 Times in 6 Posts
Default

I have a built 4L60 if you're interested. LVL X from RPM.
all4spl is offline  
Old 03-03-2019, 11:18 AM
  #12  
FourG63 97GST
CF Senior Member
Thread Starter
 
FourG63 97GST's Avatar
 
Member Since: Mar 2006
Location: South Florida FL
Posts: 2,338
Liked 73 Times in 61 Posts
Default

Clean break luckily, was able to tap it out of the diff, i'm thankful



FourG63 97GST is offline  
The following users liked this post: FourG63 97GST
LedfootLarry (03-07-2019)
Old 03-03-2019, 12:22 PM
  #13  
jdwtx85
CF Senior Member
 
Member Since: Jul 2015
Location: Helotes Satx
Posts: 347
Liked 10 Times in 10 Posts
Default

I went thru two main shafts on last z06. Stock 27 and a 30spline.
Did you have the cage around the trans and diff? Also what diff mount do you run?
Replace with a 30, send your pinion to [email protected] to match the 3spline. Run a cage and a pafdt diff mount, make sure everything is setup good. Just my opinion.
I've got a c6z drivetrain now on my new car, just need to learn how to slip and launch the car when I start tracking again.
Good luck.
jdwtx85 is offline  
Old 03-04-2019, 05:05 PM
  #14  
1SLO2OH
CF Member
 
1SLO2OH's Avatar
 
Member Since: Dec 2016
Location: Alpharetta GA
Posts: 50
Likes: 0
Liked 7 Times in 7 Posts
Default

Thats exactly what broke on mine last spring. Rolled out in 1st and got to about 35-40mph as the nitrous was ramping and was about to grab 2nd and all of the sudden had 6 neutrals lol. It was a pretty clean break like that too. I sent it in to RPM since the trans was a little tired anyways so it got a few new gears and sychros, 30 spline mainshaft, and machined the diff to accept the 30. I then added an ECS brace. Haven't really dug the car much since but its been holding up great from low rolls.
1SLO2OH is offline  
Old 03-04-2019, 09:01 PM
  #15  
FourG63 97GST
CF Senior Member
Thread Starter
 
FourG63 97GST's Avatar
 
Member Since: Mar 2006
Location: South Florida FL
Posts: 2,338
Liked 73 Times in 61 Posts
Default

I have both, ECS diff brace and pfadt trans mount.
FourG63 97GST is offline  
Old 03-04-2019, 09:18 PM
  #16  
jdwtx85
CF Senior Member
 
Member Since: Jul 2015
Location: Helotes Satx
Posts: 347
Liked 10 Times in 10 Posts
Default

Originally Posted by FourG63 97GST View Post
I have both, ECS diff brace and pfadt trans mount.
Wild imo, that you broke with both supports but you do make power and was the stock 27spline.
G-force makes a 30 Spline 9310 Alloy Mainshaft. Only like $150 more than a stock gm 30spline for the 97-07 t56.
Mark Shifflett [email protected] is awesome to work with. Sent him two diff pinion gears to machine the pinion gear to accept the 30spline. I'd put money on no one will compete with his prices.
A t56 with 9310 30spline is top of the line!!!
jdwtx85 is offline  
Old 03-04-2019, 09:25 PM
  #17  
jdwtx85
CF Senior Member
 
Member Since: Jul 2015
Location: Helotes Satx
Posts: 347
Liked 10 Times in 10 Posts
Default


Broke D*cks ��
jdwtx85 is offline  
Old 03-05-2019, 12:10 AM
  #18  
FourG63 97GST
CF Senior Member
Thread Starter
 
FourG63 97GST's Avatar
 
Member Since: Mar 2006
Location: South Florida FL
Posts: 2,338
Liked 73 Times in 61 Posts
Default

Originally Posted by jdwtx85 View Post
Wild imo, that you broke with both supports but you do make power and was the stock 27spline.
G-force makes a 30 Spline 9310 Alloy Mainshaft. Only like $150 more than a stock gm 30spline for the 97-07 t56.
Mark Shifflett [email protected] is awesome to work with. Sent him two diff pinion gears to machine the pinion gear to accept the 30spline. I'd put money on no one will compete with his prices.
A t56 with 9310 30spline is top of the line!!!
I'll say there's some user error on my end though, my tires where already warm, and I attempted another reheating where I usually do, but they had layed down a fresh pave I wasn't aware of, so it hooked better than it usually does. So dry sticky surface, 345 Mickeys, something had to give. Bracing just keeps things solid. The mechanic limit was met
FourG63 97GST is offline  
Old 03-06-2019, 10:11 PM
  #19  
Under-Pressure
CF Senior Member
 
Under-Pressure's Avatar
 
Member Since: Jul 2002
Location: Charlotte NC
Posts: 2,210
Liked 16 Times in 16 Posts
Default

Amateur!


And I actually drove it 1.5 hours back home.. Did NOT like left hand turns for some reason...
Under-Pressure is offline  
Old 03-06-2019, 10:30 PM
  #20  
jdwtx85
CF Senior Member
 
Member Since: Jul 2015
Location: Helotes Satx
Posts: 347
Liked 10 Times in 10 Posts
Default

Did that too! mine did not like right turns, drove for few weeks till I thought to pull the diff and found the carnage. Back in 2015 on first car

[QUOTE=Under-Pressure;1599000948]Amateur!


jdwtx85 is offline  

Thread Tools
Search this Thread
Quick Reply: What did I break in the trans?? car no move


Sponsored Ads
Vendor Directory

Contact Us - About Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: