Best Underdrive Pulleys?
Best Underdrive Pulleys? Hey everyone, going to be doing a cam swap real soon and was just wondering what is the ebst underdrive pulley setup? I also saw that there were sfi and non-sfi pulleys? Which would be better (im guessing sfi as they are usually more expensive)? Also what brand, asp, march, slp, etc? Thanks and any info would be great!
Hey, yea I went through some of them and did a search for underdrive pullies and didnt really get a finite answer. I just wanted to know what would be the best setup for a cam only car and what peoples opinions/results have been fro diff pulley brands. I understand the basics , as the 10% pullies dont net as much power as the 25% pullies, and it seems that the sfi pullies are better than the non-sfi pullies, i just dont know which one to get.
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Originally Posted by BackinBlack02SS
The ATI super damper is probably the best as far as dampening goes, but it is only available up to a 10% underdrive. The March fluid filled damper isn't very far behind in dampening ability and when you consider that the fluid is not rotational weight, is also pretty light. The SLP/Powerbond has tall walls to help prevent thrown belts. The ASP is probably the lightest out of the bunch, but is not known for it dampening ability. It's your decision, but I tend to lean towards the March damper as the best all around underdrive damper IMO.
MARCH.
I've had the powerbond under drive pulley and it's worked fine for me don’t know if I got any gains from it but it seems to rev smoother but it could just be my imagination. Well it looks better than my old rusty pulley thats for sure. Just get the one that looks the best. Oh yea powerbond and SLP are the same ****.
Originally Posted by 01formulafromthebay
Just get the one that looks the best.
I have the ASP and don't have any complaints. Bought it from Futral with belts when i did my camswap. I've read some not so good things about March pullies and their turnaround times latley.
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Ok thanks guys, yea when i searched i didnt get that link to BackinBlack02SS as I spelled it diff than he had. I appreciate the info though prostock and everyone else and im def gonna go with the march pulley. Thanks guys for all of your help!
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