07-07-2010, 10:21 PM | #1 |
Always be positive!!!
Drives: IMB 1ss/ MT Join Date: Jun 2010
Location: west palm beach/ FL
Posts: 189
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What is the purpose of a underdrive Pulley??
hey guys I would like to know what is the purpose of changing a under drive pulley? I also would like to know which is the best one out there and how much it would cost to install it?
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07-07-2010, 10:42 PM | #2 |
Drives: Wagon Queen Family Truckster Join Date: Oct 2009
Location: Louisville, Ky
Posts: 1,476
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The intent is to reduce energy lost to accessories by turning them at a slower rate, thereby increasing power and torque to the drivetrain. Generally, there isn't a tremendous gain from an underdrive pulley. On the other hand, they are generally not super expensive. If you break that into dollars/HP gained it might be a different story.
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07-08-2010, 01:08 AM | #3 |
Drives: black SS Join Date: Apr 2010
Location: long beach ca
Posts: 363
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well it should be like 100 bucks for install . i got slp pulley for 175 and now have to look for the 2 belts i need. its worth the extra 5 to 10hp if ur not gana add electronics like subs and lights everywhere. i will have a shop install it once i have all the parts i need. kooks headers cats and tune
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07-08-2010, 05:56 AM | #4 |
Drives: Yellow 2SS, 6 speed manual Join Date: Jan 2010
Location: Concord, NC
Posts: 218
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I just performed this myself and these threads may be useful, belt part numbers included (pictures included).
http://www.camaro5.com/forums/showthread.php?t=38661 http://www.camaro5.com/forums/showthread.php?t=90921 |
07-08-2010, 07:31 AM | #5 | |
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Quote:
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07-08-2010, 07:36 AM | #6 |
Drives: 2012 ZL1 - #670 Join Date: Jun 2009
Location: Seminole, Fl.
Posts: 8,009
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Be NICE ... He may be disabled and in a wheelchair, you have no idea of a person's reason for their choices ...
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07-08-2010, 07:54 AM | #7 |
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07-08-2010, 08:23 AM | #8 | |
Plays with Hot Wheels
Drives: '17 Jet Black ZL1 Join Date: Apr 2010
Location: Derby, Kansas
Posts: 849
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Quote:
How many of you guys have actually installed one on an LS engine? There's just a little more to it than "remove and replace one bolt". As far as U/D Pulleys, I'm a firm believer in them and have ran them in my cars over the last 13 years. Only issues I've had on 5 cars were needing to replace the batteries on 2 of them. Both cars were automatics and the batteries were more than 4 years old. I believe that SLP's and Texas Speed's U/D pulleys are both made by Powerbond. Either one should be fine.
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Previous Cars: '78 Z28, '92 Z28, '95 Z28, '85 Corvette, '01 SS, '96 Z28, '04 Z06 Corvette, '10 SS, '13 SS Hot Wheels
Current Cars: '17 ZL1(daily driver), '04 Trailblazer (rain & snow), '66 Corvette (restoring) |
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07-08-2010, 08:30 AM | #9 |
Drives: Camaro Join Date: Apr 2009
Location: Texas
Posts: 1,670
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It'll take a little bit more than 10 minutes, but it's not a hard install at all. We were the first company with a kit for the 2010 cars. The complete kit has been tested here @ TSP tons of times. It will add 8-9rwhp.
http://www.texas-speed.com/shop/item...=1016&catid=20 |
07-08-2010, 09:44 AM | #10 |
BLESSEDCHEF10
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I got one
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07-08-2010, 09:48 AM | #11 |
Always be positive!!!
Drives: IMB 1ss/ MT Join Date: Jun 2010
Location: west palm beach/ FL
Posts: 189
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thanks for the information guys!!!!
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07-08-2010, 10:00 AM | #12 |
BLESSEDCHEF10
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I noticed some increase. I got one a while back when no one knew what size the right belt was so I had to wait a while to get it installed.
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07-08-2010, 11:56 AM | #13 |
Drives: 2010 IOM 2ss/RS Join Date: Sep 2009
Location: SoCal, I.E.
Posts: 1,545
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how much is the AC belt? i already have the other one.
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07-08-2010, 11:57 AM | #14 | ||
Drives: 00 SS, 67 SS Join Date: Jun 2009
Location: Rochester, NY
Posts: 251
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Quote:
Install is free for the pulley if your getting a cam installed as well Quote:
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