I hate to say but no! I run what the sidewall max is or higher. I however do not suggest that you run anything unsafe (disclaimer).
I hate to say but no! I run what the sidewall max is or higher. I however do not suggest that you run anything unsafe (disclaimer).
2006 Superior Blue Trailblazer SS AWD, Stock as a rock
Sold: 2002 GMC Sportside Denali front end with a 2002 LS1, FLT level 5, Yank 2600, Trick Turbo, T76, Nelson intercooler, 60LB injectors, Warbro fuel pump, Eaton locker, Magnaflow, 3.42, Nelson Performance Tuning (speed density).
Sold: 1981 GMC LB RC 1500 2002 4.8L 4L60E 12 bolt 3.73 Richmond Lock Right AC PS Nelson Performance tuning
Gas mileage drops as you add weight to the truck, too. Be sure you check the mileage through the same methods and routes if possible. Try 93 octane vs. 87 octane. Lowering the truck often helps the MPG due to less air under the chassis creating drag.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
what size tires?
Originally Posted by GMCwantsLS1
Im so going to run them way high and YOU are the one to blame haha jk.
Yes, my conditions are 90% the same. Varies very little. I ran 93 last time
Sadly the factory **** tires. GENERAL 245/65/17 I believe. WORST TIRES EVER MADE!!!!I can squeel the front ones more turning into a parking spot than a lil honda can off the line. hahaha
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