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Sparking Plugs For Tastefully Modified VQ25DET During a regular service recently, the workshop fitted new plugs - NGK PLFR6A-11 Platinums - to my NM35. And now the engine misses on boost at anything over 5,200 rpm. The mechanic threw away the original plugs so I can't check their heat range. But I suspect the newly fitted 6 heat range plugs are too hot. If you had an M35 with a set of tasteful mods such as: Hypergear SS2PU turbo, fat intake, HDi intercooler, uprated actuator, Scotty dump & front pipes, Fujitsubo exhaust, HDi EBC, Walbro fuel pump and big injectors, & GReddy Ultimate ECU, etc., making 267 of Jez's kW atw, would you run a 7 heat range plug like the NGK LFR7AIX IX Iridiums, or would you jump to an 8 heat range? Thank you.

Had a misfiring problem - took it to local mechanic who replaced one coil pack and the car was running well for 1 day then misfire returned. I used one of the diy tutorials to replace all coil packs. car ran fine for approx 40kms then started misfiring again - nowhere near as bad as they were misfiring before I changed all the coil packs but misfiring nonetheless.What could be causing this? Spark plugs had been changed 7 months ago. also noticed that the two coil packs had different numbers on - 4 of them are numbered 543, 1 is 791 and another 8X5. they all have HANSHIN MCP1440 on the back of em except the one numbered 791 has MCP1340. Does this mean anything? All coil packs in there now are brand new ones FUJI ULTRA SPARK - sold by www.OSAKA.co.nz. As you've probably gathered, I am a newbie. Help please! Quote MultiQuote

Soooo, I have a s2 rb25 in a stagea. Power FC, splitfires, z32 afm, td06, nismo 550cc injectors, gtr fuel, tuned at 18psi. Has been running fine for 6 months until yesterday it has developed a misfire under load and full boost. Seems ok at very light load and cruising. Has constant miss when you stand on it and try and rev it out, also get a lot of black smoke out back. Knock doesn't go above 18 with this happening. I checked injector value in pfc and it got up to 90% just once, normally around 68-70% WOT. AFM voltage with car off is 0.42v according to the power fc and 1.72v at cruise approx. I took plugs out (bpr7es gapped at 0.7), and swapped with some other spares I had laying around (not new but known working) and made very little difference. I sprayed all the vac lines and hose clamps with brake cleaner but no change in idle speed. I did find 1 loose hose clamp after the turbo outlet under the air filter, but after tightening that, no change has been observed. It was dark when I got into changing the plugs so I couldn't inspect the coil packs thoroughly. Might get around to it on the weekend. Any suggestions.

Hi Guys, Up for sale are 6 Bosch 1000cc injectors. They have been in use for maybe 5000km max and only selling as I went to 2200cc injectors as I was close to maxing them out. They were working perfectly when pulled from the car. As you can see they have adapters to convert them to 11mm to fit into a standard rail or something like a HKS rail (which is what I have). They also come with plugs to suit. Price is $450 ONO. Pickup preferred over post but will post at buyers expense. Items are located in Rouse Hill, NSW, 2155 and my number is 0403858714. Thanks, Brett

NM35 - Putting Back Together Hey everyone, just wondering if anyone can help me. Im putting an NM35 back together (was gutted), I have all the parts here, I'm getting her back together but I'm running into a few issues. My current issue is the heater/aircon buttons not coming on. I plugged everything in and put it in place and I can hear the air coming out, but there's no lights on and I can't change anything. Help???

Hey guys, changing computer and going MAP sensors so selling the gear as per title. The Power FC comes with hand controller. All in good condition. Hoping to avoid any stuffing around as this is a bloody cheap price! Chasing $600. Z32 AFM's are almost brand new. I put them on my car, drove it to the tuners, drove it home then I popped an oil pump so they've done 60kms on the road plus a bit of dyno time. Chasing $250 each or both for $450. I'm in Shepparton (country Vic) so most likely will require postage. Make postage $15 per part to anywhere in Australia. If you need photos either google (!!!) or PM me your mobile # and I'll take some photos when I get a chance. Cheers, Ewan.