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Underdrive Pulley Question

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Old May 18, 2012 | 01:00 PM
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Default Underdrive Pulley Question

I know this is everywhere and i have been reading up on it all day. Im going to order the 30% Underdrive crank pulley from hughes. WILL i need to get a different sized belt with just this one pulley? If so what size?
http://www.hughesengines.com/Index/p...=&partid=26370
 
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Old May 18, 2012 | 01:08 PM
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Yep, need a new belt. I think it's like two inches shorter than the stock belt.
 
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Old May 18, 2012 | 01:09 PM
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OK so stock i believe is 95''. I have stock everything and A/C
 
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Old May 18, 2012 | 02:35 PM
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Whats a underdrive pulley?
 
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Old May 18, 2012 | 02:38 PM
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Smaller than stock diameter pulley. It turns the accessories a bit slower than the stock pulley, frees up a few ponies.
 
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Old May 18, 2012 | 02:43 PM
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And the charging system suffers for them minimal amount of ponies.
 
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Old May 18, 2012 | 02:46 PM
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i have one, honestly.... all the accessories suffer. i hate turning my steering wheel at idle now, feel like i have to be the strongest man in the world to turn it, until i press the skinny pedal down some. charging system for me only suffers at night when my lights are on. though it may have something to do with the fact that i have dual batteries. other than that... i gained about 2mpg out of it, and nt much power. isnt worth the 50 bucks i paid for it.
 
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Old May 18, 2012 | 02:52 PM
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Originally Posted by redneck_ram
i have one, honestly.... all the accessories suffer. i hate turning my steering wheel at idle now, feel like i have to be the strongest man in the world to turn it, until i press the skinny pedal down some. charging system for me only suffers at night when my lights are on. though it may have something to do with the fact that i have dual batteries. other than that... i gained about 2mpg out of it, and nt much power. isnt worth the 50 bucks i paid for it.
No plow truck should have undersize pulleys on it. I knew that when you did it, But hey, sometimes we have to learn the hard way. Me included. (not with under drive pulleys though).
 
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Old May 18, 2012 | 03:27 PM
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Originally Posted by zman17
No plow truck should have undersize pulleys on it. I knew that when you did it, But hey, sometimes we have to learn the hard way. Me included. (not with under drive pulleys though).
eh...oh well. gonna upgrade my alternator at some point anyways. should take care of that issue. other than that, should be just fine. not like i have to rely on underhood hydraulics to operate my plow like the old ones did.
 
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Old May 18, 2012 | 08:09 PM
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Stock size is 97'' so i found one at advanced auto thats 95.5'' will this work?
 
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