what is the point in cleaning the entire plug?
just use sand paper to clean the electrode and centre electrode where the spark exits and meets, no need to clean the rest. then blow dry with air to remove and dust
good to hear this mod actually works, is there any other causes to the choo choo issue? like tune?
mine is doing it with N1 turbo's and stock rubber inlets. does it at 3750 RPM every time but only in 4th and 5th .
sorry to hijack
save the tune into the tuners laptop then data int to get it back to the factory tune,
RR84 WA
he has run a different tune with good results so it must be a tune issue
is it a consistent half way pedal feel? is it normal when it gets to half way?
try adjusting the brake pedal pushrod that goes into the master cylinder, i had to do this on my old s13 to get the pedal working correctly
looks fine. make sure however u plug off the ends under plenum is over engineered and will never come off or leak. if you get a leak u will have to pull the motor again.
did you spill some paint from your engine stand to the rocker covers
earth is earth for most power applications, but when it comes to signals such as air flow or wideband 02 sensors etc it is very important to keep the earths to a single lug to help minimise interference and foriegn signals