:icon14::icon14::icon14:

A noise that increases in frequency or level as RPM changes, is usually indicitive of a problem in the engine. Haiako over to Seb at Specialty Z and have them diagnose & fix it.


Repeating: GO TO SEB NOT THE LOCAL SHADE TREE.......

:iagree:

Change oil, look for metal chunks or glitter
Oil Analysis
Compression Test
Leakdown Test

What you describe sounds like rod knock. Which means you may need to make plans to tap into your emergency fund for a new motor.

:iagree:
Get oil analysis, as this sounds like a rod bearing :ugh2:
But you stated it’s been doing it a long time & once rod bearings start making noise :icon14: :wtf2:
Hopefully you’ll find that it might be something vibrating & causing the noise :tiphat:

:iagree: with those guys above.

But if you need some more advice to ignore, just let me know :tiphat:

Poor Cupcakez, he always seems to do it hard :shakes head:

Possibly just normal valvetrain noise. Switch to an ester oil and it may quiet down.

[Build Thread] -- Journey to 700+ WHP [Supercharger]
 

With his luck track record, I wouldn’t risk it. He needs an oil analysis and compression test to check the health of his engine.

Turns out it was indeed normal valvetrain noise.
Asked multiple people to listen to it while I revv'ed the engine and they all said it was normal. Including my mechanic.

It is not rod knock, because since it was there since Feb and it's been running perfect since then, it would have metal flakes during oil changes being shown.

However, I did an oil change today and no metal flakes was seen or discovered. It was all clean. I did put 5w30 Liqui Moly in there as it was recommended to me to help with the Valvetrain noise -- as it seems to have a detergent in there that helps clean things. So I'll see how that goes.

Other than that, I've done multiple logs of the car being driven lately and all logs look perfectly fine.

The battery was disconnected for 30 minutes and the brake pedal held down for 10 seconds after DC'ing the battery and it reset everything (including the SES light that was on for no reason since ECUtek wouldn't log any codes no matter how many tries or angles I tried to get it to show me a code).

Light never came on again since then, the car feels as it should, and I was told I never heard the noise or noticed it even though it was always there.
I had only noticed it starting Feb of 2020 and since it's been driving fine ever since then, the only plausible conclusion is that it is, indeed, valvetrain noise.

Once I noticed it, I never go back to not noticing it!

Car is all good now. Thanks everyone for your support and feedback, appreciate it! :)

Car's been running strong since Feb and hopefully can make it to Feb for 1 year+++ of running without any major issues / issues at all x)

Still running strong?

You should hear spoolers motor if you think what you have is loud

Main bearing failure. He sold the car and bought a q60

:facepalm:

I know, I just wanted him to come back and own up to it.


I also wanted to hear what he thought happened since his buddy's cousin's roommate's sister's boyfriend gave the car a clean bill of health.

I doubt you'll see him back on here. :icon17:

former roommate

He's a good candidate to chew on the end of a gun barrel. Or at least toe start a shotgun.

Another half *** build. “My buddy can do it cheaper”

"Cheaper" is code for "I'ma pay for this twice"

So what heppend here, why did he leave the forum?

Sold the z, bought a q60

Did it have a IPP motor? Was he having issues with it?