Heavy steering effort
i would inspect the tires , look for bad wear, maybe even take it to get an alignment. we took ours to an independent alignment (name brand) shop and had them do performance street..
http://www.pfadtracing.com/blog/wp-c...-alignment.pdf
if a test drive with another C6 is same as yours, then guessing you dont have problem. if you spot bad tire wear (even tiny chucks missing) that would be a clue. alignment wouldnt hurt anyway , tires for these beasts are expensive
My 2008 C6 steering is noticeably lighter, but still a tad heavy for my preference. I guess I am just used to older cars from the 60's and 70's where there was almost no effort required. If there was an easy way to get a little more P/S assist on my C6, I would do it in a heartbeat. I already did the same P/S flush on my C6 with Royal Purple and didn't really notice anything.
I will say that my C6 feels like a different car depending on ambient air temps. If it's a hot day, the steering will feel light, if it's a cool day, the steering is heavier.
I feel your pain on this heavy steering issue. It takes a bit of joy out of driving the car.

EDIT - just thinking, I stretched the spring in the P/S pump on my Chevy truck and that boosted the pressure a little, with decent results (lighter steering, it's a standard steering gear box though, not rack & pinion like the Vette).
EDIT #2: Here's a decent article talking about 'Magnasteer'. It references a 2008 model, so not sure if your car has this. I had my car tuned by local whiz kid. I may just go back to him and see if he can adjust the steering effort with a little tuning magic. I DO indeed notice a substantial difference in steering effort between 'Tour' and 'Sport' modes, so maybe a little computer tweaking will fix me right up.

Good luck in your search for lighter steering. I will post results of my efforts.
Last edited by Chevy-SS; Oct 11, 2015 at 09:29 PM.
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Those tires would track every groove in the pavement, thus made it harder to steer the car.
When I changed tires to a non runflat Firestone WO Indy 500, the steering is much smoother and doesn't feel heavy. The Firestones do not track the pavement groves like the OEM's did.
The heavy or stiffness makes the car respond faster to input and keeps you more connected to the road. Why would you want lighter steering and make the car feel like a old Cadillac. To me lighter steering is sloppy and takes away the feel of a sports car. In 2011 they added the Dual Mode Steering Rack which when you took the active handling off or put it in competition mode the steering became much more stiffer to provide much better driver communication with the tire patch. Don't you think GM did this for a reason?
Last edited by Sky High; Oct 12, 2015 at 11:51 AM.
The heavy or stiffness makes the car respond faster to input and keeps you more connected to the road. Why would you want lighter steering and make the car feel like a old Cadillac. To me lighter steering is sloppy and takes away the feel of a sports car. In 2011 they added the Dual Mode Steering Rack which when you took the active handling off or put it in competition mode the steering became much more stiffer to provide much better driver communication with the tire patch. Don't you think GM did this for a reason?























