R50/53 17% pulley or 15% w/ 2% over crank pulley.
#1
#3
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iTrader: (10)
We always advise not doing a lightweight crank pulley.
But if you want to get to 17% on the supercharger just go with the 17% pulley as it will have the belts last longer and work better than 15+2 as that won't add up to 17 it's actually less.
https://www.waymotorworks.com/17-sup...ulley-wmw.html
but if you do want to end up with the 15 and 2%. Go with the ATI damper 2% as it is a real damper so it won't damge bearings or the oil pan.
https://www.waymotorworks.com/super-...ulley-r53.html
But if you want to get to 17% on the supercharger just go with the 17% pulley as it will have the belts last longer and work better than 15+2 as that won't add up to 17 it's actually less.
https://www.waymotorworks.com/17-sup...ulley-wmw.html
but if you do want to end up with the 15 and 2%. Go with the ATI damper 2% as it is a real damper so it won't damge bearings or the oil pan.
https://www.waymotorworks.com/super-...ulley-r53.html
#4
#6
Just put a 17% pulley on the thing and be done with it. The reduction in belt life from a 17% pulley vs. 15% pulley is negligible to say the least. Unless you just want to spend the extra money....then put an ATI 2% under damper on there like WMS said.
I get 30,000 miles or more out of my SC belt (I run a 17% pulley) before it starts looking like it needs to be changed out. I could probably go much longer, but why risk it.
#7
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