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anybody use the Underdrive pulley from Summit?

This is a discussion on anybody use the Underdrive pulley from Summit? within the External Engine forums, part of the LSx Technical Help Section category; This one http://store.summitracing.com/partde...216+4294908198 It is cheaper than the rest but how well does it perform? Anyone useing it?...

  1. #1
    2 SS's are better than 1 Jays00ss's Avatar
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    anybody use the Underdrive pulley from Summit?

    This one http://store.summitracing.com/partde...216+4294908198 It is cheaper than the rest but how well does it perform? Anyone useing it?

  2. #2
    The Demon Demon_Z28's Avatar
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    I dont know a whole lot, but it could have erratic power curves and dips if not done right...but yea looks good, seems like its good.

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    Member kev70ss's Avatar
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    To me it looks exactly like the BBK camaro underdrive pulley, If you go on there website they look identical. I also think the summit throttle body is the same as the professional products. Anyway the summit is cheaper than the bbk, so most likely your getting a bbk for cheaper.

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    let the F-Bodies roll jimmybling31's Avatar
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    Quote Originally Posted by kev70ss View Post
    To me it looks exactly like the BBK camaro underdrive pulley, If you go on there website they look identical. I also think the summit throttle body is the same as the professional products. Anyway the summit is cheaper than the bbk, so most likely your getting a bbk for cheaper.
    summit does alot of stuff like that. I trust just about anything with the summit name on it. I have always like their company

  5. #5
    2 SS's are better than 1 Jays00ss's Avatar
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    Screw It, I just bought a proven 25% underdrive Powerbond kit (Pulley, both belts and new bolt) on sale for $215 shipped.
    2000 SS Camaro Heads, Large cam, Fast 90, 9"w/430's and locker, yada yada yada... you get the picture

    1971 SS ElCamino 402 Big Block 550HP

    2006 Silverado 2500HD 496 cubic inches of pure muscle

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    LSX whore allbaugh_04's Avatar
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    Quote Originally Posted by Jays00ss View Post
    Screw It, I just bought a proven 25% underdrive Powerbond kit (Pulley, both belts and new bolt) on sale for $215 shipped.
    are these good for like 5-10rwhp? or just the avg. like 7rwhp?

  7. #7
    2 SS's are better than 1 Jays00ss's Avatar
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    Quote Originally Posted by allbaugh_04 View Post
    are these good for like 5-10rwhp? or just the avg. like 7rwhp?
    Guy locally just got 13 rwhp and 9 tq with a powerbond pulley.

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