Gas mileage and underdrive pulley...
04-26-2012, 08:33 PM
#22
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I got 29 hwy in my m6 T/A when it is bone stock, I still get the same now with minor mods (exhaust, whisper lid, tune...). I'm wanting to try a pulley kit on my 03 silverado because gas milage in that beast SUCKS. If it gets any gain, its worth it.
04-27-2012, 04:38 AM
#23
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The pulley will save gas. You're motor will take less effort to spin as a complete unit. Whether it's enough to actually see at the pump is very hard to say. If you saw any improvement it would not be enough to base a decision to buy a pulley on.
04-28-2012, 07:16 PM
#27
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Haha, back from the dead! I never ended up getting the pulley, I didn't feel like messing with the install. I'll wait till I need to do something that involves removing the stock pulley, then I'll pop in the UD.
