Hey guys, Just wanting to know how much under drive pulley really help? And will I have to change my thermostat if I put a set on? Oh yeah, thought that I would share this with ya’ll just got back from Oregon and with all the stuff that I have on my truck I got an steady 18mpg driving there and the same on the drive back even though I was hauling and extra five hundred pounds in the back. Probably would have been better if I didn’t have to drive though the Mountains.
04 Silverado ECSB 5.3
True dual Magnaflows, K&N airintake,Vararam Volocity stack, SLP performance Diablo Sport 2 Predator programer.
<div class='quotetop'>QUOTE(chrisminot @ Aug 8 2006, 09:34 AM) [snapback]60393[/snapback]</div>Hey guys, Just wanting to know how much under drive pulley really help? And will I have to change my thermostat if I put a set on? Oh yeah, thought that I would share this with ya’ll just got back from Oregon and with all the stuff that I have on my truck I got an steady 18mpg driving there and the same on the drive back even though I was hauling and extra five hundred pounds in the back. Probably would have been better if I didn’t have to drive though the Mountains.
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10-12rwhp... Nope no thermo change needed.
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