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Supercharger Upgrade SCI -> SI

Originally Posted by redondoaveb I did a comparison with 928's billet impeller and I actually lost low/midrange power and to top it off, one of the vanes on the impeller

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Supercharger Upgrade SCI -> SI Supercharger Upgrade SCI -> SI
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Old 06-09-2022, 12:26 PM   #5 (permalink)
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Originally Posted by redondoaveb View Post
I did a comparison with 928's billet impeller and I actually lost low/midrange power and to top it off, one of the vanes on the impeller broke off and got sucked into my intercooler. I'd avoid aftermarket impellers and go with the Vortech's Si impeller and I'm not a big fan of Vortech. Terrible customer/technical service
Good to know! I must admit, I'm on a stock HR block and I went 1 pulley size down (serp side) and running the S&G velocity screen. Should i be worried about the extra 100cfm on a stock block?

Apparently belt slippage is something I need to look into. I am running the TBATT idler tensior and the supplied Gates belt. I haven't done anything on the supercharge side. What is today's solution without going Cog?

Edit: Just went through some old posts. Are these still valid?

Is this K080220RPM the actual charger size small belt?

https://www.jegs.com/i/Gates/465/K080220RPM/10002/-1

https://vortechsuperchargers.com/pro...ant=7811182081

How did your wastegate experiment go? I only have 93 here and no e85. If this think is going to go past 13-14psi, maybe this is something i should look into. Seb will be tunning me as well

Fuel return arrived yesterday, so i'll be installing this with an aero 340 pump + rewire while the SI upgrade is being done.
Last edited by NissanTracker; 06-09-2022 at 01:16 PM.
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