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Old 11-15-2012, 03:02 AM   #6
Scooby Specialist
Member#: 176088
Join Date: Mar 2008
Chapter/Region: TXIC
2009 Legacy SpecB


Originally Posted by ckyguy68
Sick man, thanks for posting the comparison to the 3794. Do you think the twin scroll changed the spool time at all? Also, that 1.06 hot side is pretty big.
We ran the FP3794 on the Full Race twin scroll kit with a Perrin 3.5" FMIC core originally and maxed out the air flow at 669whp at 34psi on C16. So we changed to the Ultimate Racing twin scroll kit with an AMR 5" FMIC core and a 4" TBE and were able to hit 709whp at 34psi on C16. And yeah the 1.06 hotside is big, too big IMO, but that's how the car originally came to us (but only pushing 511hp at 33psi on C16)
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