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#1
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lightweight pulley is smaller than the stock one ?
the stock one is 13cm across the middle and the light weight one is 11cm
it should still work tho ? i think there is still enough of tensioner left to get it to tighten up on the belts |
#2
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Re: lightweight pulley is smaller than the stock one ?
Lightweight pulleys come in 2 varieties, standard size and underdrive. The underdrive pulleys are smaller, which effectively reduces the drag of your engine accessories on the engine. Did you buy yours used? Underdrive pulleys typically come in a kit with a shorter belt designed to work correctly with the smaller pulley size.
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Chris 92 Ebony Mica LS-L "A Rolling Restoration": 223,250 KM - Sleeping 2007 STi 6MT, Stance GR+ coilovers, PWR Rad, JDM hood badge, svxfiles 6000K HIDs, JDM Clear Corners, $15/15 min mod, $20/20 min mod, Energy Swaybar Bushings, Hella Supertones horns, Gold STi BBS rims, Group A lightweight crank pulley, A/C system removed, Custom header-back exhaust, Hybrid carbon/metal rear sway bar, restored headlights with CCFL halos 2008 Subaru Legacy Spec B - Diamond Grey Metallic - Sold 2020 Ram 1500 Longhorn - Red Pearl |
#3
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Re: lightweight pulley is smaller than the stock one ?
no im sure its not an underdrive one because i saw heaps of underdrive ones when i bought this one and its defiantly bigger than an underdrive one and the listing said stock diameter . yeah i bought it used off eBay it supposedly came off a wrx its an unorthodox racing one it says "p/n 0213101 rev A " on the back of it
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#4
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Re: lightweight pulley is smaller than the stock one ?
It will be fine as long as the everything else is correct and aligns ok without rubbing on the timing cover. The difference in diameter is not that much where it will affect the operation of your alternator or power steering. The tensioner has a long adjustment.
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#5
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Re: lightweight pulley is smaller than the stock one ?
ok thanks so-cal and crazy pilot il make sure it clears everything and tightens up properly before i drive with it on , so i guess i can call it slightly underdriven now
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#6
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Re: lightweight pulley is smaller than the stock one ?
Quote:
Keith |
#7
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Re: lightweight pulley is smaller than the stock one ?
With the motor running.
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