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Underdrive Pulleys?

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Old 12-25-2007, 01:16 AM
  #1  
cgarray17
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Default Underdrive Pulleys?

Ive been looking at some pulleys and was just wundering what you all thought about them and if they are worth getting, also i am a little conserned with slowing down the water pump and also wundered if it effected it alot, any info on this would be great.
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Old 12-25-2007, 05:07 AM
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92cobra
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Default RE: Underdrive Pulleys?

DO NOT get them, they are not worth the trouble!! I have them and there causing me nothing but problems.
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Old 12-25-2007, 07:29 AM
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98MustangGT46
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Default RE: Underdrive Pulleys?

ORIGINAL: 92cobra

DO NOT get them, they are not worth the trouble!! I have them and there causing me nothing but problems.
+1 I had them. I would only get them if 1. You have a 140 alt which you do. 2. If you have a really good radiator and really great electric fans.. My friend has them but he has a huge aluminum radiater and two huge fans.
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Old 12-25-2007, 11:17 AM
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cheetha94607
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Default RE: Underdrive Pulleys?

installed mine with a 3g alt, no electric fan, and all is ok. bbk
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Old 12-25-2007, 11:25 AM
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HACKGT350
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Default RE: Underdrive Pulleys?

eh spend your money on something better like real mods
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Old 12-25-2007, 11:38 AM
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mjr46
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Default RE: Underdrive Pulleys?

ORIGINAL: HACKGT350

eh spend your money on something better like real mods
^^^+1......underdrive pullies to me the cost vs the benifit...really isn't worth it....they only free up hp already there..and I'd debate how much as a single mod on a dyno they really do benifit...some say 8-15 rwhp in tests[&:]..but if they tickle your fancy then go for it
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Old 12-25-2007, 01:33 PM
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jthorn9
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Default RE: Underdrive Pulleys?

I have them, not by choice however, and I have only minor charging problems due to my stereo system, other than that, they're fine, wish I had a regular stock pulley setup though. Oh, BBK BTW.
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Old 12-25-2007, 10:04 PM
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cgarray17
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Default RE: Underdrive Pulleys?

ok thanks for the imput i dot think i will get them because i got a big sound system ans its acting a little weired in the cooling department( im going to flush and try new thermostat) i will just use the money for something else.
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Old 12-25-2007, 10:23 PM
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ttocs
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Default RE: Underdrive Pulleys?

I have them in and they are fine. The only time you have charging problems is at idle. my instructions said to bump the idle up 1-200 rpm if needed. I am currently running a large amp to 4 subs and getting ready to double it and hook up another amp for the rest of the speakers. The alt is currently stock although I plan on upgrading when I hook up the other amp.... My system is on my cardomain page if you want to compair it to what you are going to put in.
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Old 12-25-2007, 11:22 PM
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85GTsleeper
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Default RE: Underdrive Pulleys?

i have them. no problems except slight charging problem below 1200 rpm like said ^ . i wouldnt spend alot of money on them i got mine for 15 dollars [8D]
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