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#1
06-16-2005, 01:09 AM
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Underdrive Pulleys A Joke?
i have a stealth auto dohc and 8 inch wide tires which are very soft, but i was wondering if any body else who has the same setup as me can even get the tires to spin without turning? also has anyone tried underdrive pulleys and do they do anything but make your lights dim? i have seen the light weight but same size pulleys from 3sx performance or somthn but do they work either?
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#2
06-16-2005, 09:42 AM
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Re: Underdrive Pulleys A Joke?
I dont have them but know of plenty of people with one and yes they work. THe 3sx ones are at a major advantage being of the same size. Most of the power is gained from loss of weight, not loss of size.
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#3
06-16-2005, 11:11 AM
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Re: Underdrive Pulleys A Joke?
I am not sure what my tire width is... Doing calculation 245mm -> 9.6inch? Anyways I am running a summer compound and pretty much no... I can get them to squeak if I screw up my launch (it's manual) but I can't spin them unless it's in the rain...
Yes the pulleys help... I don't have it but put in a lightweight flywheel (where you can reduce a little more rotating mass) and you can definitely tell when you accelerate in first and second gear. Although it also makes your car idle a little funny while the ECU tries to figure out how much gas it takes to slow down the engine without stalling it.
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#4
06-16-2005, 02:11 PM
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Re: Underdrive Pulleys A Joke?
There is a debate as to the safety of underdrive pulleys. If I were you, I'd do a search and at least read up a bit more on them, so you can make your own decision.
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96 3000gt vr4 -K&N FIPK -Proboost mbc -Cusco front + rear strut bars -Greddy type-s -ATR downpipe -no cats -15Gs, 3sx aluminum pulley, FMIC, SAFC, walboro pump, EVO 560ccs, and Meth Injection Kit all waiting to go in shortly. Your 1996 Mitsubishi 3000GT VR-4 is the 92nd out of the 315 that were made that year. Only 21 of which are exactly identical.
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#5
06-16-2005, 08:56 PM
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the 3sx lightweight pulley is good and wont damage anything
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Daily Driver: 2004 Jeep Grand Cherokee Special Edition 1994 Mitsubishi 3000GT SL-TT Automatic - Black 3.05 L Arias Forged Pistons, Pauter Forged Rods, DR Stage 3 heads, 3SX TD05 kit w/ E16G's, CX Racing FMIC, 550cc injectors, Walbro 255lph pump, + supporting mods 1994 Mitsubishi 3000GT VR-4 - Black Intake & Boost Controller so far 2006 Sea-Doo RXP Supercharged, Updraded SC, IC + supporting mods
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#6
06-17-2005, 04:20 AM
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Re: Underdrive Pulleys A Joke?
I have 255 45 zr17's and if i launch above 2000 rpms it does nothing but spin and they will give a pretty good squall everytime i power shift into second so if you cant spin the tires on your 3s theres somethin wrong with it. And yes the underdrive pulleys are great.
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1995 3000GT SL (RED) My mods: Custom true dual exhaust with x pipe K&N FIPK 17 inch forged aluminum billet rims from WELD EVO 
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#8
06-17-2005, 02:35 PM
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My car is 14 years old... it seems to hold up just fine.
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