Recent content by XCaddyCutiex

Nevermind I figured it out H 130 mph 210 km/h Sport Sedans & Coupes I found it here Tire Tech Speed Rating Letters :C

My SPD RTG says H H M vertically...any idea what that means?

Hey everyone! I was on Cadillac Forums for awhile and finally came across this site. Took awhile it was hidden. Just wanted to introduce myself! I have a '99 Moonstone/Shale STS, black interior, super turbo dynomax mufflers, (corsa in the garage waiting for spring), k&n air filter, :rolleyes...