AJII

I have searched, but did not find an answer.

Will I hit fuel cut if I have a K&N drop in filter, and no cats (3 inch pipe from turbo to stock Y Pipe).

Everything else is stock.

Thanks

MtnRacer

Yup.

Steve

Scott 89t2

yes.

and if you add an FCD you will blow you engine within 1-2 weeks

bl|nk

unless you're running an upgraded fuel pump and FCD than will it last for more than 1 - 2 weeks?

AJII

Thanks! exactly what I wanted to know.

Will I still hit fuel cut if I have a stock filter and replace the pre cat with a downpipe and keep the main cat?

Thanks

RETed

I use this as a rule of thumb.&nbsp Roughly...

K&N air filter panel +1psi
Cone filter +2psi
pre-cat replacement w/downpipe +2psi
main cat replacement w/straight pipe/pre-silencer +2psi
cat-back +2psi
TID replacement +2psi

Stock Zenki boost 5.5psi
Stock Kouki boost 7.5psi

Stock Zenki fuel-cut ~6.5psi
Stock Kouki fuel-cut ~8.5psi
(I believe these fuel-cut numbers are debateable - I don' t have them memorized.)



-Ted

Detriuch

iTrader: (1)

i think you can get away with your last setup!!

Funklord

depends on the condition of your turbo/wastegate. i didnt hit fuel cut with those mods, but i came really close.

AJII

OK, so I CANT have the K&N and a downpipe without hitting boost cut?

So I shall geta new stock air filter and a downpipe.

Thanks guys!

Funklord

zenki cuts fuel at 8.6psi just like kouki.

Tec

Someone told me that once to!

Blowtus

my s4 is on approx 6.5lbs and it's never hit fuel cut...

Charlie

vietboicmb

Ok....I'm new at all this turbo stuff?? So can anybody answer sum questions for me???


What is a fcd (fuel cut dfenser or defender?) What is the purpose for it? And is it good?? Why do a the fc come wit a fuel cut in the ecu????

HAILERS

vietboicmb

http://www.teamfc3s.org/info/articles/fcd/diy_fcd.htm

87_Turbo_S4

is it bad to hit fuel cut, or just annoying if you want more boost? Will it hurt anything?