Need Advice Urgently

[Macoboy]

i have a R32 Skyline, have done few mods, i was driving it for awhile with blown plugs and now after 3 grand the car cuts out and you can hear a spitting sound from the exhaust, me and my mechanic have changed alot of the stuff of the car, and its still doing it

if anyone could help could you please msg me thanx.....

[T04GTR]

so do you have new plugs?

if yes, check the fuel pressure while your on boost

[bogcock]

shorted coil packs.

bad plugs put more load on the coils, they draw more current, and fail. replace the coils.

[Macoboy]

plugs and coils have bn changed, we thought it was the computer but we changed from the aftermarket to the stock computer and it still did it, its a stupid and anoying problem, does ne one no who can specialise in a problem like this?

im from melbourne