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Old 11-28-2003, 10:06 PM   #17
Happy_Days
Scooby Specialist
 
Member#: 35049
Join Date: Apr 2003
Chapter/Region: VIC
Location: Vancouver BC
Vehicle:
2013 Nissan GTR
Super Silver

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Quote:
Originally posted by Benjamin Tang
they're no good for ecu-tuned wrx's, but okay for those with stock programming.

the blitz filter is much more free flowing than a stock airbox and filter. it causes an intial lean condition, and the ecu panics by retarding timing, which results in a loss of power. but the ecu eventually learns and timing is corrected. but when u try to tune for more agressive maps, the a/f readings are all over the place which makes it a bitch to take advantage of... so it's back to the airbox

There have been intake shoot-out tests. Blitz SUS allowed the most CFM in but it was ranked one of the lowest in terms of how clean the air was before entering the turbo.

Some research from Vishnu have tested the stock airbox to be very efficient up to 350 crank HP.
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