That's what I'm running on my track car and they're working out great. Make sure you change out front and back together. 
motor mounts
Le Mans Master
Joined: May 2005
Posts: 6,366
Likes: 249
From: Fort Lauderdale, Florida
I'm assuming this is not a race car. First thing that comes to mind is excessive vibration and noise, the reason mounts typically have some type of absorbent material like rubber or polyurethane in them. I wouldn't suggest going to solids.
Thread Starter
Racer
Joined: Jul 2010
Posts: 409
Likes: 87
From: Hutto, Texas
racecar in the making. but for now its my daily driver
Safety Car
Joined: Jul 2004
Posts: 3,904
Likes: 28
From: Vancouver Washington
Instructor
Joined: Aug 2016
Posts: 169
Likes: 9
white line make set for the 2004 gto same mount with out the corvette tax,
https://www.summitracing.com/int/par...view/model/gto
https://www.summitracing.com/int/par...view/model/gto
Drifting
Joined: Mar 2011
Posts: 1,807
Likes: 331
From: Ocala FL
white line make set for the 2004 gto same mount with out the corvette tax,
https://www.summitracing.com/int/par...view/model/gto
https://www.summitracing.com/int/par...view/model/gto
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Le Mans Master
Joined: Mar 1999
Posts: 6,028
Likes: 84
From: Palm Coast, FL
I run solid motor mounts in both of my C-5's and the vibration is not bad like others say, on occasion it might vibrate but I also run a big cam.
Needed to replace the mounts because on launch we were getting a "bang or pop" from to flexing of the stock mounts that would travel to the back wheels on a hard launch. After replacing, both cars have not have the problem again. My cars are also cutting 1.34 - 1.36 60 foot times.
Thread Starter
Racer
Joined: Jul 2010
Posts: 409
Likes: 87
From: Hutto, Texas
Not so!
I run solid motor mounts in both of my C-5's and the vibration is not bad like others say, on occasion it might vibrate but I also run a big cam.
Needed to replace the mounts because on launch we were getting a "bang or pop" from to flexing of the stock mounts that would travel to the back wheels on a hard launch. After replacing, both cars have not have the problem again. My cars are also cutting 1.34 - 1.36 60 foot times.
I run solid motor mounts in both of my C-5's and the vibration is not bad like others say, on occasion it might vibrate but I also run a big cam.
Needed to replace the mounts because on launch we were getting a "bang or pop" from to flexing of the stock mounts that would travel to the back wheels on a hard launch. After replacing, both cars have not have the problem again. My cars are also cutting 1.34 - 1.36 60 foot times.
Thread Starter
Racer
Joined: Jul 2010
Posts: 409
Likes: 87
From: Hutto, Texas
Le Mans Master
Joined: Mar 1999
Posts: 6,028
Likes: 84
From: Palm Coast, FL
Best of luck!!
If you run the car in a 1/4 mile and want to post your time slip to see how you compare with others, click here for the C5 Quick List and I would be happy to update the list.