C8 ERay/Hybrid/EV Discussion ERay/Hybrid/EV Discussion
Sponsored by:
Sponsored by: Vibe Motorsports

160hp or 186hp X motor

Thread Tools
 
Search this Thread
 
Old Mar 19, 2026 | 12:21 PM
  #1  
Mike's LS3's Avatar
Mike's LS3
Thread Starter
Safety Car
15 Year Member
Liked
Community Favorite
Top Answer: 1
 
Joined: Nov 2007
Posts: 4,422
Likes: 856
From: Bay Area CA
Default 160hp or 186hp X motor

It will be interesting to see which eclectic motor GM puts in the Grand Sport X, 160hp or 186hp. GM's uses the 186hp electric motor in the ZR1X for a few reasons. The first reason is that they needed more HP up front for better control and balance when combined with a 1064HP gas motor, especially when coming out of the corners. 160 hp was insufficient when the rear engine with 1064hp was overpowering the front engine. Second, GM wanted the electric motor to disengage at 160mph vs 150mph (Eray) so full combined power was available thru the quarter mile. Finally, to eliminate any turbo lag. GM increased the power output by spinning the electric motor up to 17k rpm vs 16k rpm (Eray). GM installed heavy duty bearings, HD input shaft, etc. The battery is the same 1.9kw as the Eray, however they made software changes to increase rpm and to make it all happen. The Eray uses 1.1kw and my guess is that 100% charge on the Eray is really only 80% capacity full. This allows increased battery longevity. It will be curious to see how many KW's the ZR1X will use? GM designed the X (or electric motor in any platform), to give greater confidence to the driver. I believe GM learned from its mistakes in marketing the Eray and the Grand Sport X will sell. We shall soon see what electric motor GM puts in the Grand Sport X, either way a great car!

Last edited by Mike's LS3; Mar 19, 2026 at 12:33 PM.
Reply
Old Mar 19, 2026 | 06:16 PM
  #2  
switchlanez's Avatar
switchlanez
Melting Slicks
Liked
Loved
Community Favorite
Top Answer: 1
 
Joined: Dec 2019
Posts: 2,487
Likes: 1,702
From: Mandalore
Default

This guy got confirmation (at least to him, maybe not confirmation to others) that it will be the 186hp version to standardize production with ZR1X and a 535hp LS6 for 721 total hp.

Reply
Old Mar 20, 2026 | 11:27 AM
  #3  
Mike's LS3's Avatar
Mike's LS3
Thread Starter
Safety Car
15 Year Member
Liked
Community Favorite
Top Answer: 1
 
Joined: Nov 2007
Posts: 4,422
Likes: 856
From: Bay Area CA
Default

It makes sense to have one electric motor (186hp) for all platforms. The Eray has evolved into the Grand Sport X. Finally, the electric assisted motor is the getting the recognition as GM failed in marketing the Eray. I do believe, the Z06 eventually will have a Z06 X model. GM spent too much time, money and research not to!
Reply
Old Mar 20, 2026 | 03:20 PM
  #4  
24/Eray's Avatar
24/Eray
Race Director
15 Year Member
Community Builder
Loved
Community Favorite
 
Joined: Oct 2008
Posts: 16,451
Likes: 7,587
From: NJ
Default

I think that it will be one motor for simplicity in mfr process.

Iirc the Rapid discharging capacity was upped in the X for the battery and that's how the 160 became 186? The torque was programming.

Also the motor casing, output shaft, and bearings were beefed up to be able to handle the additional rpm (17k rpm vs 16k rpm in E-Ray).

At least that's what the engineer said in the ZR1X video (onsavagegeese).
13:50 mark. Used extra battery energy to bring the hp up to 186.

Very interesting interview and how they were very conservative with their E-Ray battery discharge for longevity that they now know is unnecessary (17:15 mark or so). Basically their abuse tests show that the E system will last a long long time and by going more aggressive, the can use more and the life of the pack will not be degraded. The battery is capable of much more usage over its lifespan.

I love this tech. I am a big fan if the hybrid systems I think it will extend the ICE thanlfully with the byproduct being better instant power and even fuel economy without real world penalty for us drivers (non lightweight racecar enthusiasts).
Reply
Old Mar 20, 2026 | 04:54 PM
  #5  
Ltngdrvr's Avatar
Ltngdrvr
Burning Brakes
Community Builder
Liked
Loved
Community Favorite
 
Joined: Sep 2022
Posts: 1,094
Likes: 746
Default

I highly doubt the new GS-X will get the ZR1X front motor.
Reply
Old Mar 20, 2026 | 05:05 PM
  #6  
Corvetteforme1!'s Avatar
Corvetteforme1!
Advanced
All Eyes On Me
Liked
Top Answer: 1
 
Joined: May 2025
Posts: 58
Likes: 39
Default

My guess is a 2.2 sec 0-60 and a 9.8 sec 1/4 mile with the new LS6 motor and ZR1X motor. Anyone else?
Reply
Old Mar 20, 2026 | 05:38 PM
  #7  
SharkDiverZ06's Avatar
SharkDiverZ06
Melting Slicks
15 Year Member
Liked
Loved
Community Favorite
 
Joined: Sep 2009
Posts: 2,456
Likes: 4,055
From: Colorado
Default

Originally Posted by Ltngdrvr
I highly doubt the new GS-X will get the ZR1X front motor.
It's already been confirmed by multiple dealer sources that the new GS-X will come with the new 535hp LS6 and total combined hp of 721...You can do the math.
Reply
Old Mar 20, 2026 | 06:23 PM
  #8  
95bat's Avatar
95bat
Burning Brakes
15 Year Member
Active Streak: 30 Days
Liked
Top Answer: 1
 
Joined: Jan 2007
Posts: 1,084
Likes: 62
Default

Originally Posted by Corvetteforme1!
My guess is a 2.2 sec 0-60 and a 9.8 sec 1/4 mile with the new LS6 motor and ZR1X motor. Anyone else?
Chevy says it'll run 10.5 stock so I dont think an extra 65hp will drop that by 0.7 seconds. It will probably drop to 10.4 in the 1/4
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

Every Corvette Grand Sport Explained! (C2, C4, C6, C7, & C8)

 Joe Kucinski
story-1

Grand Sport & Grand Sport X Launch Alongside All-New 535hp LS6 V8!

 Michael S. Palmer
story-2

5 Reasons Bad Drivers Crash & 5 Ways to Avoid a Costly Mistake!

 Joe Kucinski
story-3

7 Bolt-On Upgrades From Extreme Online Store to Level Up Your C6 Corvette

 Pouria Savadkouei
story-4

How Likely Are These Five 2027 Corvette Rumors to Be True?

 Brett Foote
story-5

9 Best Corvettes You Can Buy for Half Price (& 1 You Should NEVER Buy!)

 Joe Kucinski
story-6

8 Very Best Corvettes of Amelia Island 2026

 Joe Kucinski
story-7

Top 10 WORST Corvette Engineering Failures of All Time!

 Joe Kucinski
story-8

10 Records the C8 Corvette Generation Has SMASHED (& 1 Glaring Failure)

 Joe Kucinski
story-9

7 Wildest Corvette Concepts Ever Made

 Brett Foote
Old Mar 20, 2026 | 08:05 PM
  #9  
24/Eray's Avatar
24/Eray
Race Director
15 Year Member
Community Builder
Loved
Community Favorite
 
Joined: Oct 2008
Posts: 16,451
Likes: 7,587
From: NJ
Default

Originally Posted by Corvetteforme1!
My guess is a 2.2 sec 0-60 and a 9.8 sec 1/4 mile with the new LS6 motor and ZR1X motor. Anyone else?
Originally Posted by 95bat
Chevy says it'll run 10.5 stock so I dont think an extra 65hp will drop that by 0.7 seconds. It will probably drop to 10.4 in the 1/4
I could see a 10.3 @132ish

My E-Ray today showed 182 186 over and over from the Electric motor. I'm assuming the X motor will go well over 200 if battery conditions are right.


Told the wife to capture that she missed the 186. Have seen over 190 at times as well. Funny to see in between a shift how the engine cuts power for a millisecond (the low hp figure) pardon the glare.
Reply
Old Mar 20, 2026 | 08:45 PM
  #10  
95bat's Avatar
95bat
Burning Brakes
15 Year Member
Active Streak: 30 Days
Liked
Top Answer: 1
 
Joined: Jan 2007
Posts: 1,084
Likes: 62
Default

Originally Posted by 24/Eray
I could see a 10.3 @132ish

My E-Ray today showed 182 186 over and over from the Electric motor. I'm assuming the X motor will go well over 200 if battery conditions are right.


Told the wife to capture that she missed the 186. Have seen over 190 at times as well. Funny to see in between a shift how the engine cuts power for a millisecond (the low hp figure) pardon the glare.
The latest Drag Times video showed a high of 198 from the electric on their ZR1X runs. It cut to 100hp after 130 mph.
Reply
Old Mar 21, 2026 | 05:29 AM
  #11  
BuckySti's Avatar
BuckySti
Pro
Supporting Lifetime
Community Builder
Liked
Loved
Community Favorite
 
Joined: May 2025
Posts: 684
Likes: 534
From: Bucks County, PA
Default

I’m sure it’d be expensive, but I wonder if the older cars can be upgraded to the new motor.
Reply
Old Mar 21, 2026 | 08:52 AM
  #12  
Joe's Eray's Avatar
Joe's Eray
Le Mans Master
20 Year Member
Liked
Loved
Top Answer: 1
 
Joined: Aug 2002
Posts: 8,184
Likes: 711
From: Naples Florida
Default

Originally Posted by BuckySti
I’m sure it’d be expensive, but I wonder if the older cars can be upgraded to the new motor.
I was wondering the same thing.
Reply
Old Mar 21, 2026 | 09:07 AM
  #13  
Corvetteforme1!'s Avatar
Corvetteforme1!
Advanced
All Eyes On Me
Liked
Top Answer: 1
 
Joined: May 2025
Posts: 58
Likes: 39
Default

Originally Posted by 24/Eray
I could see a 10.3 @132ish

My E-Ray today showed 182 186 over and over from the Electric motor. I'm assuming the X motor will go well over 200 if battery conditions are right.


Told the wife to capture that she missed the 186. Have seen over 190 at times as well. Funny to see in between a shift how the engine cuts power for a millisecond (the low hp figure) pardon the glare.

You guys might be right but I was thinking the ERAY currently does 2.5 secs under best condtions. With an extra 20 ft lbs of torque from the ZR1X motor and additional low end torque from the new LS6 that should drop that time by at least .2 secs. And if that's the case, with extra HP from both power sources, the 1/4 mile should also see at least a .4 sec improvement in ideal circumstances. We'll wait and see but there's no doubt that the Grand Sport X will consistently deliver better numbers than the ERAY under the best conditions. I'm super excited. Just hope that ugly hood vent isn't there as in some of the renderings. I like clean lines myself.
Reply
Old Mar 21, 2026 | 12:47 PM
  #14  
Mike's LS3's Avatar
Mike's LS3
Thread Starter
Safety Car
15 Year Member
Liked
Community Favorite
Top Answer: 1
 
Joined: Nov 2007
Posts: 4,422
Likes: 856
From: Bay Area CA
Default

Originally Posted by BuckySti
I’m sure it’d be expensive, but I wonder if the older cars can be upgraded to the new motor.
If the motor case has the same dimensions and the axle shafts swap, it probably could be done. Of course, the software would need to be programmed. Who know, GM might have made the motors a compatible swap planning for the future.
Reply
Old Mar 21, 2026 | 01:01 PM
  #15  
patton's Avatar
patton
Melting Slicks
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Jun 2004
Posts: 3,348
Likes: 628
From: panama city beach florida USA
St. Jude Donor '09
Default

Originally Posted by BuckySti
I’m sure it’d be expensive, but I wonder if the older cars can be upgraded to the new motor.
i will start to look into it......when something beats my outdated 25 e
Reply
Old Mar 21, 2026 | 10:06 PM
  #16  
AmmoVet's Avatar
AmmoVet
Melting Slicks
Veteran: Air Force
Photogenic
Loved
Community Favorite
 
Joined: Dec 2004
Posts: 3,220
Likes: 547
From: Margaritaville Daytona
Default

Originally Posted by BuckySti
I’m sure it’d be expensive, but I wonder if the older cars can be upgraded to the new motor.
I wonder if they can reprogram an ERay since it is only software?
Reply
Old Mar 22, 2026 | 04:48 AM
  #17  
patton's Avatar
patton
Melting Slicks
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Jun 2004
Posts: 3,348
Likes: 628
From: panama city beach florida USA
St. Jude Donor '09
Default

Originally Posted by AmmoVet
I wonder if they can reprogram an ERay since it is only software?
I bet there is something more that can be programed out ....if they ever crack the coding . HELLO FROM A FELLOW PARROTHEAD margaritaville PCB
Reply

Get notified of new replies

To 160hp or 186hp X motor

Old Mar 22, 2026 | 10:59 AM
  #18  
PRE-Z06's Avatar
PRE-Z06
Race Director
15 Year Member
Veteran: Navy
Liked
Community Favorite
 
Joined: Dec 2006
Posts: 12,146
Likes: 2,785
From: Fort Worth, Texas
Default

Originally Posted by SharkDiverZ06
It's already been confirmed by multiple dealer sources that the new GS-X will come with the new 535hp LS6 and total combined hp of 721...You can do the math.
535hp has been confirmed? That number is from 495/6.2*6.7 simple math which assumes it’s going to make the exact same hp/L which if the majority of the cubic inches are from an increase in stroke doesn’t typically result in that.
Reply
Old Mar 22, 2026 | 12:15 PM
  #19  
ahalachis's Avatar
ahalachis
Melting Slicks
Community Builder
Photogenic
Liked
Loved
 
Joined: Jun 2007
Posts: 2,196
Likes: 1,433
From: Myrtle Beach SC/Charlotte NC
Default

I would think GM would have a better chance from a supply standpoint if they sources two different motors, a shortage on a single source would impact two models….they would have a “Sophie's Choice” situation. . plus they haven't done that great of a job keeping up with the current orders...
Reply
Old Mar 22, 2026 | 12:16 PM
  #20  
24/Eray's Avatar
24/Eray
Race Director
15 Year Member
Community Builder
Loved
Community Favorite
 
Joined: Oct 2008
Posts: 16,451
Likes: 7,587
From: NJ
Default

Well let's see. Grand sport? Check.
new engine? Check
LS6 6.7?
535HP?

I'm gonna go with it's correct.
Reply



All times are GMT -4. The time now is 02:54 AM.

story-0
Every Corvette Grand Sport Explained! (C2, C4, C6, C7, & C8)

Slideshow: Every Corvette Grand Sport explained

By Joe Kucinski | 2026-03-26 07:13:44


VIEW MORE
story-1
Grand Sport & Grand Sport X Launch Alongside All-New 535hp LS6 V8!

Slideshow: Breaking down the 2027 Grand Sport, Grand Sport X, Stingray, and LS6 V8.

By Michael S. Palmer | 2026-03-26 13:48:45


VIEW MORE
story-2
5 Reasons Bad Drivers Crash & 5 Ways to Avoid a Costly Mistake!

Slideshow: 5 reasons bad drivers crash sports cars & 5 ways to avoid a costly shame!

By Joe Kucinski | 2026-03-25 16:32:55


VIEW MORE
story-3
7 Bolt-On Upgrades From Extreme Online Store to Level Up Your C6 Corvette

Slideshow: Check out these easy-to-install upgrades from Extreme Online Store that reshape the look and feel of the C6 Corvette.

By Pouria Savadkouei | 2026-03-23 17:00:27


VIEW MORE
story-4
How Likely Are These Five 2027 Corvette Rumors to Be True?

There may be some big changes on the horizon.

By Brett Foote | 2026-03-18 06:55:42


VIEW MORE
story-5
9 Best Corvettes You Can Buy for Half Price (& 1 You Should NEVER Buy!)

Slideshow: 9 best Corvettes you can buy for half price (and 1 you shouldn't!)

By Joe Kucinski | 2026-03-17 10:20:26


VIEW MORE
story-6
8 Very Best Corvettes of Amelia Island 2026

Slideshow: 8 best Corvette of Amelia Island 2026

By Joe Kucinski | 2026-03-11 09:28:52


VIEW MORE
story-7
Top 10 WORST Corvette Engineering Failures of All Time!

Slideshow: Top 10 worst Corvette engineering failures

By Joe Kucinski | 2026-03-10 17:38:03


VIEW MORE
story-8
10 Records the C8 Corvette Generation Has SMASHED (& 1 Glaring Failure)

Slideshow: 10 records the C8 Corvette generation has SMASHED (& 1 glaring failure).

By Joe Kucinski | 2026-03-02 11:16:36


VIEW MORE
story-9
7 Wildest Corvette Concepts Ever Made

Out of the many Corvette concepts that exist, these are by far the wildest of the bunch.

By Brett Foote | 2026-03-02 11:03:54


VIEW MORE