C6 Tech/Performance LS2, LS3, LS7, LS9 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace
Sponsored by:
Sponsored by:

C6 ZR1 Shift/Tranny issue

Thread Tools
 
Search this Thread
 
Old Jan 4, 2020 | 04:57 PM
  #1  
JeremyMalin's Avatar
JeremyMalin
Thread Starter
Instructor
10 Year Member
 
Joined: Mar 2014
Posts: 197
Likes: 18
From: Cabot Arkansas
Default C6 ZR1 Shift/Tranny issue

Back story, I was racing down open freeway in the 190mph range in 6th. All of a sudden, the car started losing speed and rpm's went up. As I slowed I shifted to 4th and everything seemed fine. Shifted back to 6th and there was no gear. Realized I had no gears at all other than 4th. I have an MGW shifter and can feel it shifting in to gears from the shifter it's self, but nothing out of the transmission. No funky odor, a week old clutch fluid change. I figure I should check linkage first. I know there is an adjustment under the shifter itself that can come loose. Is there another one under the car by the transmission?
Reply
Old Jan 4, 2020 | 06:13 PM
  #2  
JeremyMalin's Avatar
JeremyMalin
Thread Starter
Instructor
10 Year Member
 
Joined: Mar 2014
Posts: 197
Likes: 18
From: Cabot Arkansas
Default

I did take the shifter out and went back through the alignment procedure. Still no dice. Have 4th but that's it.
Reply
Old Jan 7, 2020 | 12:41 AM
  #3  
Dano523's Avatar
Dano523
Race Director
10 Year Member
Community Builder
Community Influencer
Top Answer: 1
 
Joined: Dec 2013
Posts: 12,504
Likes: 3,631
Default

Here you go, and notice that only one gear is direct from input shaft on the left, to output shaft on the right when engaged, with the rest of the gears are through the secondary shaft instead.





Last edited by Dano523; Jan 7, 2020 at 12:43 AM.
Reply
Old Jan 7, 2020 | 04:01 AM
  #4  
American Heritage's Avatar
American Heritage
Supporting Vendor
10 Year Member
Liked
Loved
Community Favorite
 
Joined: Sep 2013
Posts: 3,102
Likes: 1,271
From: Harbor City California
Default

Dano523 is saying you broke something inside your transmission and I would agree.


https://americanheritageperformance.com/

Last edited by American Heritage; Jan 7, 2020 at 04:02 AM.
Reply
Old Jan 7, 2020 | 10:14 AM
  #5  
JeremyMalin's Avatar
JeremyMalin
Thread Starter
Instructor
10 Year Member
 
Joined: Mar 2014
Posts: 197
Likes: 18
From: Cabot Arkansas
Default

At this point, the best case scenario is the roll pin to the shift linkage broke. This is going to be above my understanding so back to the race shop it goes.
Reply
Old Jan 11, 2020 | 12:12 PM
  #6  
RickCC6's Avatar
RickCC6
Instructor
 
Joined: Aug 2017
Posts: 137
Likes: 17
From: Texas
Default

any updates yet?
Reply
Old Jan 11, 2020 | 02:07 PM
  #7  
sccaGT1racer's Avatar
sccaGT1racer
Pro
10 Year Member
Conversation Starter
All Eyes On Me
Liked
 
Joined: Jun 2015
Posts: 627
Likes: 110
Default

That thing should be making some nice noises. Pull the drain plug you should find some chunks.
Reply
Old Jan 11, 2020 | 04:36 PM
  #8  
JeremyMalin's Avatar
JeremyMalin
Thread Starter
Instructor
10 Year Member
 
Joined: Mar 2014
Posts: 197
Likes: 18
From: Cabot Arkansas
Default

No noise.

So both of the linkage collars are fine. Next is to drop the tranny and look under the top plate to see if I broke the roll pin. I'm not doing this so off to the race shop it goes. Hopefully I will have a solid idea by this time next week.
Reply

Get notified of new replies

To C6 ZR1 Shift/Tranny issue

Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

5 Best & 5 Most Overrated Corvette Track Packages of All Time!

 Joe Kucinski
story-1

Every 2027 Corvette Engine Explained

 Joe Kucinski
story-2

Designer Imagines A Corvette That Looks More Like a Corvette Than the Corvette

 Verdad Gallardo
story-3

10 Ugly Corvettes That We Still Kinda Love

 Joe Kucinski
story-4

Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

 Brett Foote
story-5

10 Things Every Corvette Owner Needs (2026 Edition)

 Michael S. Palmer
story-6

8 Most "Only Corvette Owners Understand" Quirks and Problems

 Pouria Savadkouei
story-7

10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

 Joe Kucinski
story-8

How Much Horsepower Every Corvette Engine "LOST" in 1972

 Joe Kucinski
story-9

Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

 Michael S. Palmer




All times are GMT -4. The time now is 12:25 PM.

story-0
5 Best & 5 Most Overrated Corvette Track Packages of All Time!

Slideshow: The 5 best and 5 most overrated Corvette track packages ever.

By Joe Kucinski | 2026-06-09 12:46:45


VIEW MORE
story-1
Every 2027 Corvette Engine Explained

Slideshow: Every 2027 Corvette engine explained

By Joe Kucinski | 2026-06-09 12:16:31


VIEW MORE
story-2
Designer Imagines A Corvette That Looks More Like a Corvette Than the Corvette

Slideshow: A Jaguar designer's personal project imagines what a modern front-engined Corvette might look like if Chevrolet revisited the golden age of the Stingray.

By Verdad Gallardo | 2026-06-08 19:53:43


VIEW MORE
story-3
10 Ugly Corvettes That We Still Kinda Love

Slideshow: 10 ugly Corvettes that we still kinda love.

By Joe Kucinski | 2026-06-03 10:34:17


VIEW MORE
story-4
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

A lot of money has changed hands at the online auction house over the years.

By Brett Foote | 2026-06-03 10:21:50


VIEW MORE
story-5
10 Things Every Corvette Owner Needs (2026 Edition)

Slideshow: 10 great gifts Corvette enthusiasts actually want for Father's Day!

By Michael S. Palmer | 2026-06-03 15:43:40


VIEW MORE
story-6
8 Most "Only Corvette Owners Understand" Quirks and Problems

Slideshow: These are the quirks, annoyances, and oddly lovable problems that every Corvette owner eventually learns to live with.

By Pouria Savadkouei | 2026-05-28 09:31:39


VIEW MORE
story-7
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

Slideshow: 10 reasons why the C6 Z06 is still a performance benchmark after 20 years.

By Joe Kucinski | 2026-05-27 17:20:09


VIEW MORE
story-8
How Much Horsepower Every Corvette Engine "LOST" in 1972

Slideshow: How much horsepower every Corvette engine lost in 1972.

By Joe Kucinski | 2026-05-27 16:54:53


VIEW MORE
story-9
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE