A/C underdrive pulley
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Diesel Enthusiast
Joined: Jul 2009
Posts: 256
Likes: 12
From: San Antonio, Texas
A/C underdrive pulley
I saw an AC underdrive pulley for the 6.0 the other day online. Only problem is that i cant find it again.
Anyways, any one runnin one? Seems like a good mod for a few more horsepower and mpg
Anyways, any one runnin one? Seems like a good mod for a few more horsepower and mpg
Diesel Wrench
Joined: Mar 2010
Posts: 996
Likes: 49
From: Fallon, NV
I don't know about an AC underdrive, but these are crank pulleys for internal and external balanced 6-Ohs. I would assume that OEM would be external and custom built would be internal balance.
Harmonic Balancers - SummitRacing.com
Harmonic Balancers - SummitRacing.com
BOMBARDIER
Joined: Oct 2007
Posts: 8,208
Likes: 630
I've heard of the AC underdrive too, not sure why you'd bother putting it on. I've heard/read about issues using the fluidamprs on high HP builds too... seem to be suited more towards the everyday guy like us with a programmer and some bolts ons, but I can't back that up, just internet chit-chat. Again, seems like a LOT of work for very little pay off in the end. It's not something you're going to notice seat of the pants.
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