GS Engine True or False
Burning Brakes
Joined: Oct 2009
Posts: 973
Likes: 3
From: Mid Michigan
Hey guys, I have a 2010 GS 6 speed with the dry sump. I first must say, I love the car! very tight and true! We Americans can still build good stuff when we want to! Is it true that it has a forged crank in it? Also what is it that makes a GS quicker than the standard vette? Is the trans ratio different? Or maybe just the bigger tires out back? On motorweek the GS was 2 ticks quicker in the 0-60 and the quarter mile.
Tires are the same size as the Z06 for extra bite. 12.0" wide on the rear.
Regards,
GSRANDY
Instructor
Joined: Feb 2011
Posts: 230
Likes: 0
From: Mission Viejo CA
WOW, I saw this thread when it first went up, took a quick glance, noticed the question was answered like 3 times in the first page and left..
Got up saw 6 pages and over 100 posts... WOW. That F'n unbelievable that this thread could go this long...
Why we are at it can someone tell me if I should use Rejex or Zaino
Got up saw 6 pages and over 100 posts... WOW. That F'n unbelievable that this thread could go this long...
Why we are at it can someone tell me if I should use Rejex or Zaino
Plus this topic has already been brought up how many times? Now I would not ever want to hijack a thread, but since this one seems beat to death can I ask possibly the dumbest question of all? How do you remove the cover to reveal the Wixom tag? Is it just friction held on so it pops off and on? Thanks.
Moderator
Joined: Jul 2005
Posts: 29,316
Likes: 3,876
From: West MI
CF Banner Relay Captain
West MI & JAX/NE Florida
Events Coordinator
St. Jude Donor '11-'17, '21
Sir,
I take great offense to your insinuation that the engine builders at Wixom are stupid and/or losers.
True I did need a GED to pass sixth grade - I was distracted by the seventh grade girls.
After that I knuckled down and did well. I even graduated from high school and earned a bachelor degree in Business at Michigan State, with high honors.
It may surprise you to learn that all the engine builders at Wixom have graduated from a four year apprenticeship to reach journeyman status. All have many years of engine build experience, most in GM Engineering shops. And all working at Wixom do so by choice. I think you would have a hard time finding a more dedicated and competent crew in any other engine plant. But of course I am biased...
I invite you and any other skeptics to come into our plant for a tour!
Don Henley
I take great offense to your insinuation that the engine builders at Wixom are stupid and/or losers.
True I did need a GED to pass sixth grade - I was distracted by the seventh grade girls.
After that I knuckled down and did well. I even graduated from high school and earned a bachelor degree in Business at Michigan State, with high honors.
It may surprise you to learn that all the engine builders at Wixom have graduated from a four year apprenticeship to reach journeyman status. All have many years of engine build experience, most in GM Engineering shops. And all working at Wixom do so by choice. I think you would have a hard time finding a more dedicated and competent crew in any other engine plant. But of course I am biased...
I invite you and any other skeptics to come into our plant for a tour!
Don Henley
With all who said TAKE The TOUR
There is a lot of precision skill and craftsman ship that goes in to these engines
For those who can't make the tour some pics Sonic Don
http://s766.photobucket.com/albums/x...view=slideshow
and I
http://s766.photobucket.com/albums/x...view=slideshow
took at the Wixom Performance Build Open House a few weeks ago
We are very fortunate to own one of these finely built engines
Race Director
Joined: Mar 2005
Posts: 10,399
Likes: 25
From: Austin Texas
Hey guys, I have a 2010 GS 6 speed with the dry sump. I first must say, I love the car! very tight and true! We Americans can still build good stuff when we want to! Is it true that it has a forged crank in it? Also what is it that makes a GS quicker than the standard vette? Is the trans ratio different? Or maybe just the bigger tires out back? On motorweek the GS was 2 ticks quicker in the 0-60 and the quarter mile.
Team Owner
Joined: Sep 1999
Posts: 41,732
Likes: 1,717
From: Springfield MO
2010 coupe GS weighs 3311 pounds,
That's 94 pounds difference, not 200.
The Cd difference between the 2008 Z51 and the 2010 Grand Sport isn't going to mean anything from 0-115 MPH(typical 1/4" mile dig). At 180 MPH, it will, but not at half that speed.
The wider 325 tires on the Grand Sport vs the narrower 285 tires on the Z51 are going to make a difference in traction from 0-60 MPH.
The weight penalty is more then made up by the improved traction.
The GS has a slight advantage over the Z51, in my opinion, because loss traction off the line is very hard to make up at the end of the quarter, (where the Cd comes into play[very little]). You lose .2 second in the first 60', and it will take 20 horses more to gain it back at the end of the quarter. Moving the extra 94 pounds is equal to about 10 horsepower loss. Net gain of .1 sec to the GS.
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Thread Starter
Instructor
Joined: Aug 2011
Posts: 121
Likes: 0
From: Georgia
Ya!! And throw a Vert into the mix and it takes this comparison to the next level. The Verts are so much lighter that it puts the performance in the Z06 range.. About .001 slower... Advantage lighter (no top) GS Vert......
Team Owner
Joined: Sep 1999
Posts: 41,732
Likes: 1,717
From: Springfield MO
Go figure!!!!!!!!
Thread Starter
Instructor
Joined: Aug 2011
Posts: 121
Likes: 0
From: Georgia
HOLY CRAP!! I completely made that shiznit up off the top of my head just to mess with people. I assumed a vert was actually heavier. who would have thought All I need to do is add 70 hp and SOME SMOKIN SOME Z's I go....
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