ebay: mx5 alloy underdrive pulley 10kw gain?

Engines, Transmissions & Final Drive questions and answers

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93_Clubman
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ebay: mx5 alloy underdrive pulley 10kw gain?

Postby 93_Clubman » Sat Apr 15, 2006 2:59 pm

any thoughts on these...

http://cgi.ebay.com.au/MAZDA-MX5-EUNOS- ... dZViewItem
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Babalouie
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Postby Babalouie » Sat Apr 15, 2006 3:20 pm

I've thought about getting something like that myself from time to time over the years, in theory theu should provide a gain but some ppl tend to tell you to stay away from them.

Probably the best-argued reason for not getting these was this:
http://www.dinancars.com/whitepapersFile.asp?ID=5
Image
Japanese Nostalgic Car Magazine - Dedicated to classic japanese cars
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93_Clubman
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Joined: Mon Aug 08, 2005 11:35 pm
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Postby 93_Clubman » Sun Apr 16, 2006 1:35 pm

cheers babs for the link to the interesting article - hadn't seen these pulleys before, & must admit i'd forgotten that crank pulleys are aka harmonic dampers/ balancers. i guess if you want engine reliability & reasonable longevity (which i do) then they're not the wtg.
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