hello there. as some of you may know ive been havings issues with my astra gsi for a while now.
i just want to check that my sparks plugs are gapped and torqued down correctly.
so doesnt anybody know what gap i should have on the Ngk irridiums from courtney sport. i think there Bkr 6's ??? i heard 0.68 mentioned the other day?
and secondly what should i be setting the torque wrench too?
thanks for any replies i get