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pully mod?

This is a discussion on pully mod? within the External Engine forums, part of the LSx Technical Help Section category; [wow, i totally misspelled "pulley"] i have to replace a couple of pulley's and i've considered not using stock sizes. ...

  1. #1
    Detailing + Design third_shift|studios's Avatar
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    pully mod?

    [wow, i totally misspelled "pulley"] i have to replace a couple of pulley's and i've considered not using stock sizes. I"m really ignorant about this so could someone explain what aftermarket pulley's and/or a differnt size [?] would accomplish? Are their better or worse gas mileage or HP gains of any kind? thanks alot =)
    Last edited by third_shift|studios; 11-15-2005 at 06:45 AM.

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    Senior Member Zboner's Avatar
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    are you really ready to drop a grand?

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    Detailing + Design third_shift|studios's Avatar
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    oh shit!? that was another concern...are you serious? it's a grand to change pulleys?

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    Senior Member Zboner's Avatar
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    i would think so wouldnt you???

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    liss87
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    It does not cost a grand to replace pulleys. I think lmperformace will have pulleys you can check out pricing there. Most people do not replace all of their pulleys. Most people only replace their crack pulley on ls1s. If you are bent on replacing all of your pulleys that is when it gets expensive but not a grand worth.

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    Smooth Operator 98LSGUN's Avatar
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    I've heard bad things about pulley swaps on 98's and up. Lot's of vibration and shit.

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    Senior Member Zboner's Avatar
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    cost of new pullies belts, and then labor man

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    Price: $229.95
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    Camaro/Firebird 98-2002 LS1 Pulley Kit, 25% Crank/ 15% Alternator, shipping is not included

    Add belts for 50.00, do the labor yourself and it will still be under $300.00
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    Senior Member Zboner's Avatar
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    he aint got the tools to do it

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    Detailing + Design third_shift|studios's Avatar
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    i think i need a tensioner pully too. I don't have the tools, but it's all good-if it needs done, it needs done.

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    Super Sporting It Chevypowr's Avatar
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    Lg motorsports (G2) has a tensioner, also on lmperformance. you can rent tools at autozone or any auto store. Usually for free

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    Detailing + Design third_shift|studios's Avatar
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    nah, i'll leave the install to the pros-but the pros we [zboner and i] go to are slow as molasses when it comes to ordering parts in timely manner.

    yeah, LM perf. is gonna be my hook up-prolly need the new belts too i just replaced them last winter too...oh well

    do i have to use an aftermarket tensioner with the new pulleys or can i jsut use a GM stock one?

  13. #13
    Detailing + Design third_shift|studios's Avatar
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    thanks for all of your help too, guys, mad props!

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    Super Sporting It Chevypowr's Avatar
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    Aftermarket or stock tensioner will do, but it's a good idea to get a new one either way. good luck.

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    Senior Member Corona-Extra's Avatar
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    Is the price per horsepower gain really worth it though? Im not so sure.. some of the info Ive see on pulleysi really wasn't convinced I mean.. yea if your going to (or) running a supercharger.. its more than worth it.. but..

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    Super Sporting It Chevypowr's Avatar
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    I guess it's really your preference, I haven't bought any myself yet. I heard the underdrive pulley for your power steering pump will extend the life of the pump greatly if you see high rpms often. But I see high rpms daily and never replaced a pump yet at 100,000mls. Who knows, You could buy a cam for the price of the pulleys and If you were to pay for them to be installed.

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    Slow'er'Ass Mr. Luos's Avatar
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    I am waiting on my March underdrive crank pulley....been on backorder since August. Expected time...Dec. 4th. Damn.
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    Detailing + Design third_shift|studios's Avatar
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    no no ... this isn't to gain HP, that would have been a bonus. My pulley's are squeeling b/c of worn bearings-so i figured to go for an upgrade. well, i think it's only the tensioner pully that's making the noise, if so, i'm not gonna dump 400$ into 15HP and +3 mpg, though tempting.

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    Boosted Foolz
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    i picked up a slp underdrive pulley and both belts with a new bolt for $200, and i was told having a shop swap the pulley out is only like 30 - 40 bucks.

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    Senior Member Corona-Extra's Avatar
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    Quote Originally Posted by 98_Formula
    i picked up a slp underdrive pulley and both belts with a new bolt for $200, and i was told having a shop swap the pulley out is only like 30 - 40 bucks.


    damn man.. where did you get that kinda deal from?!?!?!?!?!

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