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Originally Posted by Gunzz
... I still like the look of more aggressive trucks and tires. So here are my questions.
1. Will a 37" tire fit on a stock rim and under a stock H2 with air ride without mods?
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Yes, no problem. Don't go wider than 12.50" or you will experience serious rubbing on the stabilizer at full lock turns (you'll experience some rubbing even with 37X12.50's). It's a good idea to do a torsion key "lift."
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2. Will I lose alot of performance going with a 37"?
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Yes you will, but not a lot. Some will compensate by changing the differential gear ratios. Your speedometer will read low (read that getting a speeding ticket
). The only way you can recalibrate is with a programmer.
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3. Will a 35" X 12.5 fit under the truck without rubbing?
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This
is the OEM tire size. BFG 315/70R17's are basically 35X12.5.
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4. How good is a Truex lift with air ride? What do you do to the rear air sensors?
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Truex? Do you mean
<Truxxx>? This is nothing more than a torsion key lift. It only lifts the front end and has nothing to do with your rear air suspension. You can purchase Chevy "green" keys from gmpartsdirect.com for $20.00 each (GM Part # 15592573) and achieve the same results. It's better to upgrade to longer shocks with more travel than to change the lower shock mounts just to keep the OEM shocks.
BTW the side by side comparison shown on the Truxxx site is really misleading... you can see at a glance that the yellow truck is so much taller because it has much bigger tires.