C7 Z51?

[1st Vette]

I appreciate your response. The biggest concern I keep reading about it the carbon build up on the valves.

Top tier fuel does make a difference and is also recommended by GM .

'Top Tier' Gas Is Better for Your Car, and Might Be Among the Cheapest Options Near You - Consumer Reports

It won't hurt your car if you skip Top Tier fuel, but it's best to stick with it. Consumer Reports shows how to find Top Tier gas that doesn't cost an arm and a leg.

www.consumerreports.org

Also, check your oil with the engine running once it’s up to operating temperature….

 

[SSSN8KE]

Top tier fuel does make a difference and is also recommended by GM .

'Top Tier' Gas Is Better for Your Car, and Might Be Among the Cheapest Options Near You - Consumer Reports

It won't hurt your car if you skip Top Tier fuel, but it's best to stick with it. Consumer Reports shows how to find Top Tier gas that doesn't cost an arm and a leg.

www.consumerreports.org

View attachment 129106
Also, check your oil with the engine running once it’s up to operating temperature….

Wow what a difference on those valves! I have always used Super Gas when filling up my muscle cars. Thank for chiming in, much appreciated

 

[SSSN8KE]

I enjoy the bumps. Makes it more interesting.

A

Appreciate your comments

 

[LE BARON]

Wow what a difference on those valves! I have always used Super Gas when filling up my muscle cars. Thank for chiming in, much appreciated

With explicit warnings in the Driver's manual.