MPond wrote:
camperforlife wrote:
N-Trouble wrote:
camperforlife wrote:
Nice truck. My 03 Sierra had factory 20's. Loved the looks, hated the handling. My 11 Sierra has the 18's and I'll never go back to the 20's regardless of good they look.
GM never made 20's in 03... Doubt it was due to the wheels.******ride on the 03 was more likely due to over cranking the T-bars and overextending the shocks. Very common mistake amongst GM owners. With the right tire your not going to feel much of a difference in ride between 18" and 20" rims.
You and the tire dealers thought the same thing. I've argued before to the nay sayers that GM offered 20's in '03. I bought it new, it was factory and I still have the factory sticker to prove it and no it wasn't a dealer add on.
camperforlife - You're correct about GM offering 20's in 2003. I actually used that fact to argue with my dealer about why they couldn't use the 20's argument to void my warranty.
But N-Trouble is right that it's more likely an issue caused by cranking the torsion bars to raise the front end, and not the 20's themselves.
You can run 20's with lower profile tires and have the same overall size as 18's; it's when you run 20's with larger tires, and then you have to crank the Torsion Bars to get more clearance. That's when the ride suffers.
I understand what both of you are saying about cranking the torsion bars but that would have been done at the factory to accomadate the 20's therefore the suspension should have been tuned for the 20's. I know it wasn't done if it wasn't done at the factory.
I also realize that 20's are far more popular than in 03 and I'm sure the tweaks in the suspension the manufacturers have done to accommodate the 20's has to have come a long way from what I had and comparing mine to the OP's probably isn't fair. I know when it was time for me to replace my 20's I had 2 choices, 1 Goodyear and 1 Michelin and I had tire dealers argue that the 20's weren't factory. I ended up buying tires at a GMC dealer at a better price anyway.
