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G3RSTY7 · 07-12-2018, 02:56 PM

What size 8 rib pulley do these come with? And I assume we go smaller on the serpentine supercharger side rather than the 8 rib for higher boost due to belt tension issues? I was looking at 928 and they sell these sur-grip pulleys. Anyone running them and think they're any good? https://928motorsports.com/parts/8ribpulley.php The tbatt kit addresses slippage on the serpentine side but wasn't sure if slippage is an issue on the input side since my issue was not due to belt slippage in particular. And this kit already has the impeller upgrade, correct? Or is it just upgraded Si bell housing?

07-12-2018, 02:56 PM	#177 (permalink)
G3RSTY7 Base Member Join Date: Aug 2017 Location: Colorado Posts: 103 Drives: Infiniti G37s 6MT Rep Power: 8	What size 8 rib pulley do these come with? And I assume we go smaller on the serpentine supercharger side rather than the 8 rib for higher boost due to belt tension issues? I was looking at 928 and they sell these sur-grip pulleys. Anyone running them and think they're any good? https://928motorsports.com/parts/8ribpulley.php The tbatt kit addresses slippage on the serpentine side but wasn't sure if slippage is an issue on the input side since my issue was not due to belt slippage in particular. And this kit already has the impeller upgrade, correct? Or is it just upgraded Si bell housing? __________________ 09 G37S RWD 6MT, Topgunz Supercharger, CJM RFS, Walbro 450, 1050x, Nismo 1.5way LSD, Ecutek FF tuned by Seb IG: G3RSTY7 MyG37.com: RickyBobby Last edited by G3RSTY7; 07-12-2018 at 02:59 PM.