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Old 10-11-2018, 08:52 AM   #10
khaoskustoms
 
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Name: khaoskustoms
Title: Too Much Time
Status: Not Here
Join Date: May 2010
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Posts: 1,707
I'm personally not a fan of the S4 S4 compounds. The 96mm turbine does become a restricting point at big power. If your going to run a 488 or 491 you will want the biggest turbine housing you can get to help get the exhaust out. Might even need to gate the hotpipe as well. The SXE594 or new Garret 5544 would be my first choice with your 75 but would work better with a 67.7, 68 or 72 as the secondary.
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94 Dakota, 4BT Twin Turbo Drag Truck
08 F450 TT12V , Tow pig
01 6.7 VP Dually, Tow pig
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