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The car is actually a jzx100 chaser. When I picked it up it still had jap spec fuel. I filled it up with 98ron and now im home (the sticks) I have to use 95ron.

Its gotten worse as the fuel got worse.

Could this be a problem?

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dave when i picked my car up from compliance it was set at 0 degrees base timing

they mite do this because of the high ron fuel over in jap and then wen some young dickhead hopes in the skyline puts in unleaded thrashes it and it doesnt detonate lol

15 degrees advanced ftw lol hmmm i rkn check timing first aye

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what gap are your plugs dave?

i remember when my stock coilpacks were stuffed, so i gapped mine down to around .6 to stop the miss fire on boost

i noticed with the really small gap on idle it would sit there miss firing its ass off, but drove fine under load not miss firing

i then tried another set i had there which were 1.1 gap and it stoped the miss on idle but yeh spark would blow out from crappy coils lol

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