what is the "norm" boost spike for a stage 2+ car? details inside
04-18-2008, 04:45 PM
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what is the "norm" boost spike for a stage 2+ car? details inside
giaC-X software, piggies, darintake, N75j.
I occasionally spike around 21-24 pounds. is this normal or do i have a boost leak somewhere? after the initial spike, i'll come down to about 18 and then taper down from there. whats normal? btw, this is mostly in low gears that i've noticed. like 1,2, sometimes but rarely 3rd
I occasionally spike around 21-24 pounds. is this normal or do i have a boost leak somewhere? after the initial spike, i'll come down to about 18 and then taper down from there. whats normal? btw, this is mostly in low gears that i've noticed. like 1,2, sometimes but rarely 3rd
Ditch the N75J and run an OEM valve.
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04-18-2008, 06:23 PM
#8
my setup spiked at about 21-22, pretty aggressive file
tapered to about 17. Ran about 4.6 FATs full interior pumpgas. Stock N75 valve.
Ran into a turbo issue and when pulled them there was no shaft play, probably a seal issue.
Never had any noise from turbos whatsoever, as long as you treat it nice and warm it up and cool it down I wouldn't be too concerned, consider a MBC in line with N75 to control the boost spikes.
Ran into a turbo issue and when pulled them there was no shaft play, probably a seal issue.
Never had any noise from turbos whatsoever, as long as you treat it nice and warm it up and cool it down I wouldn't be too concerned, consider a MBC in line with N75 to control the boost spikes.
04-19-2008, 06:17 AM
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22 pounds on k03s?
i wonder how much power is actually added past the turbos efficienct range. i'm certainly no expert but im curious. if anyone wants to shed light on this please do. at what point past the efficiency range does it stop helping performance/ hinder it.
mind posting the logs of your 4.6 FATs? i'd like to see the intake temps, and timing curve.
mind posting the logs of your 4.6 FATs? i'd like to see the intake temps, and timing curve.