11-04-2019, 09:13 AM
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#1 (permalink)
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A True Z Fanatic
Join Date: Apr 2017
Location: So. Commiefornia
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Quote:
Originally Posted by turtle64b
It all depends on how much boost you want to make and what you have to support it.
If you intend to spin the SC faster than you do with the 9lb pulley, you should definitely look at getting the 928 impeller.
Things that you can do with pulleys:
Get an even smaller pulley to place where the Stillen "high boost" pulley is.
Get a larger SC-side jackshaft pulley
Get a smaller SC-side SC pulley
Any combination of the above
Keep in mind that changing the SC-side pulleys may require you to get a larger idler pulley.
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Actually, if you plan to spin the V3 faster than it's max rpm of 52000 then you should get the 928 ceramic bearings. The Si impeller is just fine. Mine actually started making boost sooner than the 928. I ran both on the dyno.
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Fast Intentions "Stage Seb" twin turbo #098- Specialty Z/Tial-Xonarotor/CJM/Ecutek/HKS/KW/SPL/Hotchkis/Rohana/Toyo
700+whp
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