Thread: boost drop off
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Old 08-19-2018, 08:16 PM   #4
Ricco
 
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Drives: 2018 ZL1 Vert A10
Join Date: Jul 2017
Location: Houston
Posts: 471
Quote:
Originally Posted by scooter k View Post
Running a Whipple supercharger, 3.25 upper, 9.17 lower, 38% cam, DSX aux fuel system, etc. My boost peaks about 5700 at 19psi and drops off after that to 6500. I have the blower speed maxed out but would think it wouldn't drop off. What do I need to do because obviously it's making less hp after 5700. Larger blower pulley?
Did you get this figured out?
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2018 ZL1 Vert - 854Whp / 791Wtq
2016 BRZ
2013 X5D
2005 STI
2001 2.5 RS

Previous cars in chronological order
2016 GT350, 2014 MEV Rocket, 2013 Nissan Qashqai + 2, 1.6L Diesel, 2010 Nissan Note 1.5L Diesel, 2012 Dodge Ram 2500 6.7L Cummins, 2009 Subaru Impreza STI, 2005 Dodge Ram 1500, 2004 Mini Cooper S, 1997 Subaru Impreza Catalunya special Edition, 1992 Daihatsu Charade GTti, 1978 Mk1 Ford Fiesta
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