Originally Posted by Miss Rita
Why would you stress your Tahoe to maintain 75 mph uphill? You must have had it floored; seems like you're flogging it a little. Not to mention that ST tires are rated to 65 mph.
It's not a stress for a Tahoe to maintain that speed and it would not need to be floored. That is why vehicles that can tow have a GVWR that you don't exceed. Also, what are ST tires? The stock tires on a Tahoe have a speed rating of at least 98 MPH. If not, the fuel shut off MPH would be lower.