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Old 06-21-2003, 01:36 AM   #1
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do those things come highly recommended from you guys? would i be able to notice a difference if i got em? cause those would fall under my "remove this, put this there instead" way of modding and theyre not that expensive.maybe one every time i get paid.
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Old 06-21-2003, 11:45 PM   #2
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i know that when i measured it out, i couldn't fit the waterpump pulley b/c of my engine mounts, i don't know if they changed in 96'
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Old 06-22-2003, 12:08 AM   #3
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what % underdrive were you measuring for?
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Old 06-22-2003, 12:17 AM   #4
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if your talking about zzp then there is only one % (for the waterpump pulley) its about 5" diameter stock and thiers is 5.5"(too big) there is about a quarter inch till it hits the engine mount. now the alternator pulleys should fit no problem.
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Old 06-22-2003, 01:13 AM   #5
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I would not recommend underdrive pullies just because they don't make a noticable difference, and there are other mods that I think you will like better for the time. We have an underdrive alternator pulley on the GTP and didn't notice a difference at all, and we have a lightweight water pump pulley (less rotating mass), and track times didn't get any faster, so I would say spend the money on other mods, but it is up to you, its your car.
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Old 06-22-2003, 03:48 PM   #6
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well i just thought ince they werent all that expensive and it was somethin i could do then it might be a worthy investment.but if im not gonna be able to notice it then i guess i wont.id still like to do somethin to the car but even an intake is like what 200? the ones i was lookin at ne way. the ram air from domesticp i believe.and i love the car and would love to mod it.but there are other things i could spend 200 on.
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Old 06-22-2003, 06:45 PM   #7
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The underdrive/overdrive pulleys work best when combined with different mods,(rockers,cams,etc.). As a stand alone mod they are worthless, but they can knock about .067 off your quarter mile times. For me this would be enougth for a drop of a tenth off my quarter mile time in my GP. So depending on were your car is performance wise, you may or may not notice a gain. On a SC car you may not be able to detect much in the way of gains. My understanding was that it was mainly an N/A mod.
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Old 06-22-2003, 06:47 PM   #8
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Did I mention that I have both overdrive and underdrive pulleys?
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Old 07-25-2003, 08:27 PM   #9
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Quote:
Originally Posted by Bigfunkytown
Did I mention that I have both overdrive and underdrive pulleys?
I think I've got to eat my words to a dgree here. After adding the under drive pulleys. I noticed that I gained .127 on my quarter mile times with my GP GT/SE. This droped my time from [email protected] with a 2.25 60' to [email protected] with a 2.318(yes it'* a crappy 60' but no one was hooking up well in the 80 degree + heat). And it was that way all dat long. Slowest run was [email protected] with a 2.384 60'. As it is they do help but I still feel you have to have other mods to get the most out of the car.
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