OZ001 Posted October 29, 2009 Posted October 29, 2009 ive changed my spark plugs twice this week cause it keeps blowing up... could it be the distrubitor? or some other electrical problem? i cant figure it out >.< Quote
Moderators Zedman240® Posted October 29, 2009 Moderators Posted October 29, 2009 Blowing up? Do you mean back firing? Quote
OZ001 Posted October 30, 2009 Author Posted October 30, 2009 the spark plugs dont spark anymore and i gotta change them, when they blow it misses when i drive, stuttering until i get new spark plugs Quote
Scoota G Posted October 30, 2009 Posted October 30, 2009 Is it electronic ignition? Mine used to blow plugs because the top rings were broken. Quote
OZ001 Posted October 30, 2009 Author Posted October 30, 2009 Is it electronic ignition? Mine used to blow plugs because the top rings were broken. thanks guys, that could be it. my 240z is blowing quite abit of smoke must be the rings screwing everything up. weekend project here i come Quote
Mr240z Posted October 30, 2009 Posted October 30, 2009 Your Zed might be running to rich, And the plugs are fouling up.. Quote
OZ001 Posted October 30, 2009 Author Posted October 30, 2009 ill lock it oil deposits!! anyone know how much the rings cost and gaskets for a stock 240z? dont the size of the pistons still learning about 240z's, if it was a 280zx it'll be easier Quote
Mr240z Posted October 30, 2009 Posted October 30, 2009 ill lock it oil deposits!! anyone know how much the rings cost and gaskets for a stock 240z? dont the size of the pistons still learning about 240z's, if it was a 280zx it'll be easier It's not that easy...Your most likely up for a rebuild..$$$$ Pull the motor down and I can help you with the parts needed. Quote
Scoota G Posted October 30, 2009 Posted October 30, 2009 ill lock it oil deposits!! anyone know how much the rings cost and gaskets for a stock 240z? dont the size of the pistons still learning about 240z's, if it was a 280zx it'll be easier Just another question. If you run the engine on idle and take off the filler cap, can you feel any air blowing out. If there is it can be a sign that you're losing compression and the engine may require oversize pistons. Quote
OZ001 Posted November 1, 2009 Author Posted November 1, 2009 It's not that easy...Your most likely up for a rebuild..$$$$ Pull the motor down and I can help you with the parts needed. how much for all the parts for the rebuild? Quote
OZ001 Posted November 1, 2009 Author Posted November 1, 2009 Just another question. If you run the engine on idle and take off the filler cap, can you feel any air blowing out. If there is it can be a sign that you're losing compression and the engine may require oversize pistons. no air pouring out Quote
modular9 Posted November 2, 2009 Posted November 2, 2009 I can Answer this question with figures as well. A valve regrind kit is about 135 AUD though my first one was only 95AUD but that was missing a inspection gasket. You'll need the valve regrind kit even if you dont regrind the valves as it has the head gasket and exhaust gasket and the rocker box gasket. Ordering separately is more expensive than ordering it as a full kit. This was through Repco both times. Of course if you whip the head off ( done this too many times for my liking now ) you might find other nasties. Then you're in for some more coin. Quote
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