Couple Of Questions And A Problem

[qw11ky]

Hi Guys,

just a couple of questions.

my car has a 3 1/4" exhaust, but it has a standard dump pipe...will it make much difference if I put a larger dump pipe? is it worth doing?

Im changing all of the oils and needed to know if 1L of oil is enough for the diff?

when my car comes on boost its isnt smooth, it starts boosting normally and then dies down a bit and at about 4500rpm bang it puts you back in the seat...would this be a fuel prob or spark prob..or am I way off track???

only mods ar the exhaust and boost controller but im running standard boost oh and FMIC.

[JVP]

defiantly get a 3" dump pipe, either split or bellmouth type.

will make a huge difference.

[QWK32]

from what i remember the official amount as per the nissan workshop book is 1.5L of diff oil.

electronic boost controller??

[tek_01]

sounds like its missing, do a search on coilpacks and youll find heaps on info

[qw11ky]

nah its a bleed valve,

it could be missing that is what made me think it was a spark prob, but then would it be running very rich and blowing alot of black smoke because there isnt any smoke at all.