Hi guys!!! I recently tune my car with methanol/water...

I bought like 2 months ago a set of NGK Iridium BPR7EIX for my evo.... Now, I use Meth/Water like one month ago and yesterday my car have a problem like ignition problem and AFR up to 11.8 (tune AFR is 11.5 with meth) and the car feels horrible... I think maybe it´s spark plugs... I have new parts in the car (HKS cams, FMIC AMS, Meth/water) but it´s possible the spark plugs dies???

 

I made boost leak test and no leaks... All it´s ok...

 

go with NGK BR8-ES

 

Ok, thanx man!!! That spark plugs are iridium or not?

 

Regap your current plugs to .022 or so; try that first before getting new plugs. You have to close up the gaps a bit when running a lot of boost.

 

+1

 

Ok, thank you very much... I will do that!

 

I will try first with my current spark plugs BPR7EIX regap to .022 right now are in .024

But if not work ok, I have right now NGK BR8ES... that spark plugs I need regap to??? .022??

 

I gapped mine to 0.019 (0.5mm) and it resolved my missfire issues, see my thread

https://www.evolutionm.net/forums/ec...-missfire.html

 

Yeah! my tuner recomemded that! gap to .019. I will do that today, thanx man!

 

get spark tech or spoolin up ignition systems and bye bye ignition problems!

 

Gap to 0.19 and the problem ends!, thanx a lot guys!