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Old 01-24-2010, 02:02 PM   #1
bryanf89
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Default Water pump pulley

I just got a set of lightweight pullies for my 7m engine. It came with the alternator, crankshaft, and power steering pulley. Does anybody know if the sell a lightweight pulley for the water pump in a 7mgte engine?
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Old 01-24-2010, 03:45 PM   #2
Bill UK
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If your replacing a the crank pulley with a cheap ally one, you run the risk of damaging your engine. The heavy stock pulley is there for a reason, the weight of the pulley absorbs vibration from the crank. Links crankshaft torsional vibration. and resonance. If something rattles/vibrates place a heavy weight on the end of it.
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Old 01-24-2010, 09:08 PM   #3
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im not worried about that...do you know anybody that sells lightweight water pump pulleys?
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Old 01-24-2010, 10:42 PM   #4
kamikazemkiii
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Ive heard because our cranks are so long, a lightweight crank pulley can accually break the crank
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Old 01-24-2010, 10:47 PM   #5
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ok this is about the water pump not the crank
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Old 01-24-2010, 11:13 PM   #6
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Unorthodox Racing 4th one down in list.

Edit: Just noticed, it listed as for 2.5L 1JZ-GTE

Last edited by Bill UK; 01-24-2010 at 11:17 PM.
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Old 01-24-2010, 11:55 PM   #7
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so no1 makes it for the 7m engine?
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Old 01-25-2010, 07:59 AM   #8
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dont buy crap obx racing crank pulley
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Old 01-25-2010, 09:08 AM   #9
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I already purchased obx =| whats wrong with it?
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Old 01-25-2010, 11:48 AM   #10
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On the crank pulley it does nothing to dampen/control vibrations. As Bill already mentioned, there's a reason the OEM units are heavy.
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