Isabella de la fiesta

[Rocketst]

Pictures of spark plus. What do you guys think? I see a ton of carbon but nothing too concerning

Sent from my moto z4 using Tapatalk

 

[Rocketst]

Cleaned the carbon off. Hopefully this helps with the knock I've been experiencing at very high revs.

Sent from my moto z4 using Tapatalk

 

[MattM]

Cleaned the carbon off. Hopefully this helps with the knock I've been experiencing at very high revs.

Sent from my moto z4 using Tapatalk

If it doesn’t I have a set of one step colder iridium ngk’s in the garage. I think they’re gapped to .027?


Sent from my iPhone using Tapatalk

 

[SteveS]

Need to show us the business end of the spark plug if you want us to offer opinions on how they look. Threads and top end are meaningless. Need to see the electrode, ceramic tip and ground.

 

[Rocketst]

Thermal is in. I am very impressed. Especially when I lines up their "ball joint" on the curve to muffler, fit extremely tight. The only complaint I have is on that bend they kind of crimped the pipe.

Sent from my moto z4 using Tapatalk

 

[Rocketst]

Need to show us the business end of the spark plug if you want us to offer opinions on how they look. Threads and top end are meaningless. Need to see the electrode, ceramic tip and ground.

I realized my stupidity 5 mins after uploading it haha.

Sent from my moto z4 using Tapatalk

 

[JDG]

Cleaned the carbon off. Hopefully this helps with the knock I've been experiencing at very high revs.

Sent from my moto z4 using Tapatalk

Is it primarily knock in cylinder 1? Curious if you have similar false knock issues to what I am seeing on my car.

 

[Rocketst]

Nope. Exclusively cyl 2 and 3 lol. Most troubleshoot guides say that indicates a blown head gasket but I am not burning coolant at all. I'm not even burning oil. Which tells me the valve job was correct as well.

Sent from my moto z4 using Tapatalk

 

[Rocketst]

So swapped out spark plugs with brand new 1 step cold gapped at .027 and my knocks gone. Guess 2 steps were too cold for right now. Going to try to get my downpipe finished so I can log a wot pull. Car still dies but runs better now. I'm thinking with this next revision though it'll be spot on. When I first started logging ltft on the first tune I was seeing the engine pull almost 25% of the fuel sometimes on cruising speeds. Now the max I see is 7% and as long as it's within +-5 I'd be comfortable with that.

Sent from my moto z4 using Tapatalk

 

[Rocketst]

934 misfires on my way home.... Help?

Sent from my moto z4 using Tapatalk

 

[Rocketst]

This is a picture of how the 2 step colder look before swapping to the one steps above.

Sent from my moto z4 using Tapatalk

 

[Nitelife]

I think white electodes could be indicating you are running lean or possibly oil contamination. Some of the ones are greyish which should be normal, but the first and third one look whiter to me.

https://ngksparkplugs.com/en/resources/read-spark-plug

 

[SteveS]

The 2 step colder plugs look fouled. I can't see how going from a fouled plug to one step hotter would cause overheating, so I'm thinking the whiteness of the ceramic is just the newness. After all, they start out white. I'm kind of wondering about the soot around the base of the body of the plug.

 

[Rocketst]

Well I know I'm not burning oil or coolant, I checked after I pulled the plugs. It's just carbon but it shouldn't be doing that after 50 miles and no excessive idle... The afr is off and I feel like going colder made it better but it still is not where it needs to be. I can literally feel the car when it's having issues. At idle I feel like the cars flooding and at cruising highway speeds and wot it's way too lean. Especially over 80 it gets so bad that it won't accelerate past a certain point like it's starving.

Sent from my moto z4 using Tapatalk

 

[Rocketst]

I say the afr is off but what I mean is I think the afr is off. I know stratified is doing their job but I wish I knew what was going on just for myself. I feel like so many misfires are going to hurt the engine.

Sent from my moto z4 using Tapatalk

 

[JDG]

Those plugs look fine but you should be sending these photos to your tuner. What fuel are you running?

 

[Rocketst]

Those plugs look fine but you should be sending these photos to your tuner. What fuel are you running?

Jdg I did contact my tuner and I'm currently running 93. I sent him a bunch of logs of just driving around and he sent me back a tune. I was just asking you guys to understand a little more about spark plugs. So Alex upped the idle to 1000 which completely fixed my stalling issue. He also messed with the fuel trims a bit more and it looks like he got it perfect. I went on a 30 Mile drive and still haven't had it change my ltft. It looks like we are almost ready to actually tune for power.

Sent from my moto z4 using Tapatalk

 

[Rocketst]

I'm glad I'm not tuning my car though... I know nothing about this stuff haha.

Sent from my moto z4 using Tapatalk

 

[MattM]

Jdg I did contact my tuner and I'm currently running 93. I sent him a bunch of logs of just driving around and he sent me back a tune. I was just asking you guys to understand a little more about spark plugs. So Alex upped the idle to 1000 which completely fixed my stalling issue. He also messed with the fuel trims a bit more and it looks like he got it perfect. I went on a 30 Mile drive and still haven't had it change my ltft. It looks like we are almost ready to actually tune for power.

Sent from my moto z4 using Tapatalk

Hell yeah bro. What did Alex say about which plugs to use?


Sent from my iPhone using Tapatalk

 

[Rocketst]

He didn't say anything currently. He said it's odd the plugs are fouling at all and he says he can actually see that the plugs are fouled just by my logs. I will say though with this revision I made the same drive I did coming home today so I went all the way to work and back and only got 630 misfires both ways this time. So how many misfires do you guys get on average for a 30 min drive? I never looked at them until a few days ago when I started tracking it so I can't tell if it's always been that way or if its just happening since the new motor. I'm wondering if me fouling the plugs was related to too low of an idle?

Sent from my moto z4 using Tapatalk