Ams pulley kit
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I drove ttrank's car solo
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G35 sedan w/ too much money in mods
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I don't know how the AMS pulleys differ from UR set, but I had the UR under-drive set on for a little while and didn't feel any difference. Did a before and after dyno run on them and the gains were zero. I doubt removing a pound or two of rotational mass from an engine will yield noticeable benefits. Maybe my engine did rev slightly quicker but it was something I was unable to notice.
Last edited by herrschaft; 09-07-2011 at 09:10 PM.
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jrockstarr (09-07-2011)
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#8
I don't know how the AMS pulleys differ from UR set, but I had the UR under-drive set on for a little while and didn't feel any difference. Did a before and after dyno run on them and the gains were zero. I doubt removing a pound or two of rotational mass from an engine will yield noticeable benefits. Maybe my engine did rev slightly quicker but it was something I was unable to notice.
i also agree you wouldnt notice a major difference in gains, but in theory it must have some effect because you are reducing rotational mass, its simple physics. There are about 12 other mods id do before it but its not a bad idea. Maybe pick up a used one on the forum i see them go for $100 all time.
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