under drive or over drive pulleys ???

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under drive or over drive pulleys ???

Post by J240sxxx on Mon Nov 02, 2009 11:30 pm

Hello peoples, I have been thinking about buying some OBX light weight pulleys for my kade what would be better under drive or over drive.. ? To be honest I don't know what the hell the difference is so any help would be much appreciated.
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Re: under drive or over drive pulleys ???

Post by LongGrain on Tue Nov 03, 2009 12:20 am

dont bother

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Re: under drive or over drive pulleys ???

Post by J240sxxx on Tue Nov 03, 2009 11:16 am

LongGrain wrote:dont bother

Really? I'm cleaning my bay up and i thought getting some would look good and help the motor run better? what would be the down fall?
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Re: under drive or over drive pulleys ???

Post by J240sxxx on Thu Nov 12, 2009 12:19 am

Anybody?
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Re: under drive or over drive pulleys ???

Post by ricefest on Thu Nov 12, 2009 3:57 am

UD crank.
OD water.
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Re: under drive or over drive pulleys ???

Post by Dirty Dee on Thu Nov 12, 2009 7:22 pm

ricefest wrote:UD crank.
OD water.

why would you do that?

that would make the water pump rotate much slower
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Re: under drive or over drive pulleys ???

Post by J240sxxx on Thu Nov 12, 2009 11:06 pm

Ok so whats the story guys?
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Re: under drive or over drive pulleys ???

Post by ricefest on Fri Nov 13, 2009 2:30 am

Dirty Dee wrote:
ricefest wrote:UD crank.
OD water.

why would you do that?

that would make the water pump rotate much slower
it would make the water pump rotate the same as stock.
at least for my motor it does.

just throw ur KA in the garbage.
=]
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Re: under drive or over drive pulleys ???

Post by J240sxxx on Fri Nov 13, 2009 12:10 pm

Ha not this one.. im not big on the whole SR bandwagon.. But maybe in the future if I feel like blowing 2 grand on a motor..

So back to this pulley story.. ud crank and od water? fur shure?
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Re: under drive or over drive pulleys ???

Post by Dirty Dee on Fri Nov 13, 2009 9:36 pm

lightweight pulleys wouldnt do shit for the motor really.

underdrive: make the pulley spin slower (larger diameter)

overdrive: make pulley spin faster (smaller diameter)

underdriving things such as your alternator and power steering will make them run worse since they are not rotating at the normal speed

If you just want the bay to look cooler, just paint the pulleys
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Re: under drive or over drive pulleys ???

Post by J240sxxx on Fri Nov 13, 2009 10:41 pm

See! Thank you for a strait to the point answer. That's all I wanted to know
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