No M7 temps?
E-Ray, 3LZ, ZER, LIFT
Joined: Sep 2007
Posts: 35,009
Likes: 12,393
From: NE South Carolina
I have non -Z51 and I haven't seen it. That being said, I'm not sure why it would be necessary on a M7.
Those with trans gauges on Z51 M7s, what are they running?
Do the new M7s use 90 wt gear oil or Dexron III/IV? I know that in my c5 I switched from Dex III to Royal Purple Synchromax and it took longer to warm up for smooth shifting. I would think gear oil would not be as affected by heat. At the time I was told that ATF was used so that cold shifting would be more acceptable in northern states.
I would think any heat building would be transmitted from the differential (which is directly behind trans).
Those with trans gauges on Z51 M7s, what are they running?
Do the new M7s use 90 wt gear oil or Dexron III/IV? I know that in my c5 I switched from Dex III to Royal Purple Synchromax and it took longer to warm up for smooth shifting. I would think gear oil would not be as affected by heat. At the time I was told that ATF was used so that cold shifting would be more acceptable in northern states.
I would think any heat building would be transmitted from the differential (which is directly behind trans).
Trans uses GM part Number, 88861800, not in the Owner’s Manual, it was in the Service Manual. Found this old comment from GM: "Dexron III is being phased out as a product name. It is being renamed Manual Transmission Fluid and carries p/n 88861800."
In normal driving, churning thru the gears thrashing a bit, in a hot summer day gets to 150/160 F, or a bit higher. Summer, what is that?-Hoping.
Instructor
Joined: Aug 2013
Posts: 246
Likes: 7
From: Cedar Falls Iowa
I have non -Z51 and I haven't seen it. That being said, I'm not sure why it would be necessary on a M7.
Those with trans gauges on Z51 M7s, what are they running?
Do the new M7s use 90 wt gear oil or Dexron III/IV? I know that in my c5 I switched from Dex III to Royal Purple Synchromax and it took longer to warm up for smooth shifting. I would think gear oil would not be as affected by heat. At the time I was told that ATF was used so that cold shifting would be more acceptable in northern states.
I would think any heat building would be transmitted from the differential (which is directly behind trans).
Those with trans gauges on Z51 M7s, what are they running?
Do the new M7s use 90 wt gear oil or Dexron III/IV? I know that in my c5 I switched from Dex III to Royal Purple Synchromax and it took longer to warm up for smooth shifting. I would think gear oil would not be as affected by heat. At the time I was told that ATF was used so that cold shifting would be more acceptable in northern states.
I would think any heat building would be transmitted from the differential (which is directly behind trans).
E-Ray, 3LZ, ZER, LIFT
Joined: Sep 2007
Posts: 35,009
Likes: 12,393
From: NE South Carolina
What does your list of optional pocket gauges show??
Last edited by JerryU; Mar 7, 2015 at 12:43 AM.
Thread Starter
Melting Slicks
Joined: Nov 2013
Posts: 2,048
Likes: 29
From: Palm Beach County FL
The Owner’s Manual does not say the options for pocket gauges are dependent on being a Z51 or non Z51. They list these options: Oil Pressure Gauge, Oil Temperature Gauge, Battery Voltage, Transmission Fluid Temperature Gauge, or a blank gauge. Have you looked at the list of pocket gauges when you scroll? Is Transmission Temp NOT on the list? Since they probably have the temperature gauge option for an automatic non Z51 and the M7 transmission case is the same for Z51's and non Z51, would think there is a temp sender and therefore a gauge for non Z51 M7’s is available.
What does your list of optional pocket gauges show??
What does your list of optional pocket gauges show??
Thread Starter
Melting Slicks
Joined: Nov 2013
Posts: 2,048
Likes: 29
From: Palm Beach County FL
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer
Brett Foote
10 Things Every Corvette Owner Needs (2026 Edition)
Michael S. Palmer
8 Most "Only Corvette Owners Understand" Quirks and Problems
Pouria Savadkouei
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years
Joe Kucinski
How Much Horsepower Every Corvette Engine "LOST" in 1972
Joe Kucinski
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!
Michael S. Palmer
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!
Joe Kucinski
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter
Joe Kucinski
8 Coolest Corvette Pace Cars (and Replicas) of All Time
Verdad Gallardo
Burning Brakes
Joined: Mar 2013
Posts: 1,135
Likes: 14
There's no difference in the pocket gauges between Z51 and non-Z51 vehicles.
You just need to carefully read the manual and find them.
Thread Starter
Melting Slicks
Joined: Nov 2013
Posts: 2,048
Likes: 29
From: Palm Beach County FL
Here, I made a video for you and everyone else to see...
E-Ray, 3LZ, ZER, LIFT
Joined: Sep 2007
Posts: 35,009
Likes: 12,393
From: NE South Carolina