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You spend $6k with a mechanic who has not fixed he problem and not read the ECU codes ??? He's clearly hopeless... You're now worried about a $300 ECU diagnosis (which should have been done much earlier) ??? You post asking for ideas without telling us what remedial attempts have already been done to date ??? Hmmm... White smoke is normally coolant being burnt (things like blown head gasket or even cracked head). If you can smell oil it's either being burnt and going out the exhaust or the engine is wet with oil evaporating due to heat. Burning oil will kill the cat's and they are likely to clog causing a loos of power at the very least I doubt the solution will be found on the internet - best to take it to a decent service centre
Certainly sounds like MAF getting contaminated Does the CAI use oil in the filter element? That's not good for the MAF Clean the filter element and run it without oil for a month - otherwise revert back to stock air box
Keep the stock sway bars in case you do upgrade to MCA blue - gives you tuning options The MCA blue have much higher spring rates (especially at the front) so it's a performance over comfort proposal You stock shocks are probably rather tired by now so new shocks should be on the horizon I would not lower the Z as you do end up scraping in many simple situations (frustrating), it's a pretty low car anyway
These are snake oil designed to empty consumer wallets into the wallet of the creator All it does is remap the throttle pedal - absolutely no change to engine performance For example, 50% throttle could become 75% throttle making the driver think the car is more responsive But if you simply used more throttle manually you would get the same result for free
There are many many many wheel fitment threads - please use search That's the wrong way around - larger offsets are good (more likely to clear the calipers) - lower offsets are where you can get into trouble However offset alone does not guarantee wheels will fit over the brembo calipers - the shape and profile of the spokes is important to clear the calipers
You need to work out what your objectives are, cosmetic or performance, and what sort of budget you want to allocate (remember it's mostly money down the drain, but as long as you enjoy the outcome it's all good). Things like coil overs are only "needed" for track work or lowering the car - I never recommend lowering Z's because it's a pain scraping on driveways all the time (and the wheel stop in shopping center car parks), the Z is already low. Type "350Z images" into google - that will give you many images of what others have done, find something that appeals to you.
There certainly is a lot of aggro out there, many people from Sydney retire to the central coast so I'm sure they will have infected that area. With transit times getting longer people have shorter tempers. I can see three big offenders: 1) The people in a hurry and think their need to get from A to B is more important than everybody else - road rules don't apply to them - they are often aggressive and intimidating (tailgating etc) to other vehicles. 2) P plate drivers in desperate need of serious correctional input via an accident - thinks like changing lanes right in front of a 20 tone truck at a red light, undertaking on the left and then darting right across 3 lanes, parking in clearways, turning into a stopped lane at the last minute and leaving the arse of their car blocking the lane they were in, no consideration for others. 3) The incompetent, travelling 20km slower than the speed limit in the right lane, driving at night with no lights on, no idea where they are going, needing to move right across 3 lanes at the last minute only to realize they actually need to turn left and want back across those 3 lanes at a red light, entering an intersection they can't get through due to congestion and blocking all traffic at the change of lights - these things create congestion and light the fuse leading to aggressive and abusive behavior. It's a bloody nightmare Clearly licences are too easy to get Would love to see the police attending common problem spots and giving out tickets My other pet hate is cars that have been repaired but the headlights have not been aligned and are hammering other motorists - so common in Sydney - arggg
It's really common for the crash offender to lie to both police and the insurance company. I witnessed a car full of teenagers not paying attention and weaving in their lane, they had no idea they were headed for stationary traffic, I watched for 15 seconds (!!!) and sure enough they slammed into the stationary queue impacting 5 cars like domino's. I gave my details to the drivers impacted. The kids claimed the que had already crashed and they in turn crashed into the tail end. Three insurance companies contacted me for a statement. So yes, a dash cam is basically a necessity these days :-(
At 30kmph in 5th or 6th you are well outside the power band, the engine may not be developing enough power at that low RPM to cause the clutch to slip Get the car just rolling in 1st with the clutch up, floor the accelerator, if the engine RPM increases out of sync with road speed increase then you have a problem. You could also use second but make sure you have over 2000 rpm when you floor it.