04-30-2021, 06:08 AM
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#10 (permalink)
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Enthusiast Member
Join Date: Nov 2016
Location: Washington
Posts: 286
Drives: 2014 Nismo
Rep Power: 27366
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Quote:
Originally Posted by Optimiser
I have also have Stillin plenum with A2A setup but about 2000rpm slower with my pulley sizes (checked with Vortex calculator), but with upgraded Si trim and only get 10psi. I'm also running the "standard" belts on serp and SC. Are you using the Gates "RPM" belt(s)?
I have ordered these to see if they will help with boost, otherwise I have no idea how you could get 50% more boost than me, but would love to know.
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It does happen. I have nothing more than a stock v3 SI and an RPM belt on the supercharger side (planning on trying to add one to the serp side as well as an experiment in the near future). I really can't stress enough how much of a difference that RPM belt makes. That normal belt stretches VERY quickly and begins to slip as a result. The last dyno run I did with the "normal" belt was at 10.5psi because of how bad it got.
I don't think we should continue to derail Topgunz topic with this old kit talk though.
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