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Every time I go over a bump I hear a metallic squeaking noise, particularly from the rear. Where do I check for squeaking? The hangers? The pipe joints and clamps? Also what kind of lubricant should I use for the hanger bushing?

I think there's an account on this site that may be an AI account that reads and responds to posts. The way it writes looks like something like chatgpt or any LLM would write.

So far I've done two oil changes on my Z and haven't drained the cooler. I'm concerned with mixing fresh oil with spent oil. How do you folks drain the cooler?

Has anyone here with true coilovers in the rear had to replace anything else to reinforce the rear suspension? Arms, bushings, braces, etc.

I've seen various discussions about which oil to use 0w-20 or 5w-30. My question for my Z which has intakes and exhaust and I tend to drive it in manual mode a lot on the highway and sometimes on the streets, I tend to be in the upper rpm range more often. I was thinking to try a different oil...

I have the ODBLink LX and I can see some data from the car but not the air fuel ratio. Is this something that can be read with a better device or is that data not available through the OSB port?

$29.99 for an oil change when I do it myself it costs a lot more. Yet I just don't want dealer's hands on my car. Idk what it is. I know people that worked in auto shops at the dealer and they're not grimy people. Just don't want my car back at the dealer unless absolutely necessary.

I curbed another rim yesterday (stupid mistake, cut a turn to tight/short). I've seen the Rimblade protectors and some others with mixed reviews. Does anyone have experience with these and some recommendations? Other than "don't curb your rims" because that's a given but sometimes I get lucky...

The stock Potenzas served me well this past year but I'm changing the wheels and looking for new tires. What is everyone's experience and feedback of your chosen tire brand? I've been looking at the Pilot 4S but if there's a cheaper option that will perform I'm open to suggestions. Thanks...

I'm looking to get the Nismo Track Exhaust for my Z. I've seen the comparison videos and after listening to them all, the nismo sounded the best in my opinion. Does anyone here have it and what are your thoughts? Also what kind of back pressure is introduced or eliminated/reduced over stock?

I was at a wheel shop recently and someone there who has a Q50 and a VR30 said that because of the way the engine was designed blow off valves are good for the engine. Can anyone verify this?

I'm looking at the Rays Nismo 57CR wheels for my Z. Z1 recommends 19x9.5 +25 in the front and a 19x10.5 +12 in the rear but I don't know what size tire to get so there's no stretching and no rubbing on the fenders. I tried to use this site willtheyfit.com but I can't find the Performance wheel...

Has anyone replaced the steering wheel in their Z? I ordered a Nismo wheel (because reasons) and not sure how to install it. Don't want to take it to a dealer and I don't trust random auto shops.

One day I decided to top off my engine coolant. I accidentally added too much and found some of it will leak out this port on the right side of the tank when the engine is at temperature. I added a hose to allow the excess coolant to drain to the bottom of the car towards the ground instead of...

Anyone here with a stock Z know what their ride height is currently? I forgot to measure my stock ride height before installing coilovers, but now my ride height is 4.25" measured from top of rim to bottom of fender. I'd like to go down another inch but I don't have adjustable toe/camber arms...

I've had the CAI installed for a while now, no exhaust upgrade nor tune. I assumed the ECU would auto-tune itself for the extra air. I have noticed some carbon deposits at the exhaust tips. That means I'm running a little rich right? Other than putting the stock air boxes back, is there...

I had my new Neomax coilovers installed yesterday and forgot to measure the stock ride height. Does anyone know what the stock ride height is? I have no point of reference now. I'm at a specialist right now and they're dialing in the height. I asked for a 4.5" gap between the tire and wheel...

I chose the wrong age to get into auto work as today was painful lol. I installed the trans brace in addition to the Z1 oil catch can, and rotated my tires. Gotta say though the brace made a HUUGE difference in feel of the car. I can feel the engine and transmission now. The power delivery...

It is well known that the VR30 doesn't have the best cooling from the factory. I've also experienced some nerfing while I was at the track on a really hot day. I've been looking at overhauling the cooling system for my Z. I want to upgrade the heat exchanger, the coolant radiator...

I'm trying to decide which to purchase. I've been on the track once so far with the stock suspension but with Stillen sway bars and Z1 endlinks. Side to side body roll is barely there but front back still exists and the car is still very bouncy on the track. HKS is the premium setup about...