NA Motor Discussions regarding N/A KA24E, KA24DE, and SR20DE

underdrive pulley

Old Jul 11, 2007 | 01:02 PM
  #1  
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underdrive pulley

Hi again,

So here I am with my 240, by the way I love these cars, and I am looking to make a few modifications to the engine. I was browsing around on ebay for some replacement interior parts and I found an auction for underdrive pulleys. I understand the idea behind them, but I am just wondering if investing in a set of lightweight pulleys would be worth the money. Anyone have any advice on the matter?
Old Jul 11, 2007 | 01:08 PM
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Underdrive pulleys won't really give you a huge boost in power, especially if that is the extent of your modifications, will free up some rotational mass. They do give you a "+" in bling factor though...
Old Jul 11, 2007 | 01:11 PM
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i'd look into a flywheel if it's lightweight you want.

Last edited by jramosthe1st!; Jul 11, 2007 at 01:14 PM.
Old Jul 11, 2007 | 01:29 PM
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well the pulleys wouldn't be the extent of my mods but I am just wondering if they are worth it at all (but the bling factor is a bonus).
Old Jul 11, 2007 | 01:50 PM
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poor quality, unbalanced pulleys can be detrimental to your engine and the others are overpriced.

Last edited by jramosthe1st!; Jul 11, 2007 at 05:37 PM.
Old Jul 12, 2007 | 11:11 AM
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lightweight pulley combined with electric fan to replace the clutch fan, and if budget approves lightweight flywheel would definitely free up some HP, and i'd say definitely worth it.
Old Jul 16, 2007 | 07:10 AM
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so thats a no on the pulleys then?
Old Jul 16, 2007 | 07:19 AM
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i think what everyone is saying is it's not really worth it unless you have supporting mods(i/h/e)...from what i've been hearing it'll give you a better high end...i wouldn't recomend getting any pulleys from ebay, unless is unorthodox or asp...like jramosthe1st! said if it's unbalanced or poor quality you might get screwed(you get what you paid for)...i've read a few people on here or at nico that the ebay pulley's had some fitmint problems...i personally like it and going to order an asp next week...
Old Jul 16, 2007 | 07:35 AM
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yup pulleys alone will only put a dent in your pocket when that money could have been used for something better.
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