Is this knock/pinging?!? (SOLVED)

[TEXAS HEAT]

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[K-Roll302]

I think I may've found my culprit. I tried my 91 tune on the gas I had left in the tank from yesterday after replacing the Densos I messed up with the Brisk RR14S plugs I had, gapped to .028, and I didn't hear the noise anymore, nor could I replicate it . For the sake of curiosity, I tried my 93 tune for one WOT pull in third, I heard the noise, but much more subdued and it was a single tick or click (ping) rather than a couple.

I reckon it was the Densos poorly gapped by my hand that caused the sound/issue, and the OEM plugs that were gapped inconsistently that initially started it.

The Brisk plugs I'd swapped out initially only have about 500 miles on them so I'll keep them in since they're obviously doing better than the Densos I messed up. And knowing now that I need the biggest gap without blowing out, I'm gonna pull them out again and gap them to .030 and see what happens with a fresh tank of 93 as well.

Also, buying a proper feeler gauge to do my plugs was the smartest thing I've done this year! It's soo much easier and accurate than those cheap coin ones, I should've bought one sooner!:headbonk:

 

[TEXAS HEAT]

I think I may've found my culprit. I tried my 91 tune on the gas I had left in the tank from yesterday after replacing the Densos I messed up with the Brisk RR14S plugs I had, gapped to .028, and I didn't hear the noise anymore, nor could I replicate it . For the sake of curiosity, I tried my 93 tune for one WOT pull in third, I heard the noise, but much more subdued and it was a single tick or click (ping) rather than a couple.

I reckon it was the Densos poorly gapped by my hand that caused the sound/issue, and the OEM plugs that were gapped inconsistently that initially started it.

The Brisk plugs I'd swapped out initially only have about 500 miles on them so I'll keep them in since they're obviously doing better than the Densos I messed up. And knowing now that I need the biggest gap without blowing out, I'm gonna pull them out again and gap them to .030 and see what happens with a fresh tank of 93 as well.

Also, buying a proper feeler gauge to do my plugs was the smartest thing I've done this year! It's soo much easier and accurate than those cheap coin ones, I should've bought one sooner!:headbonk:

I just watched your burnout video on YouTube and have read your comments in this post and I just want to offer you some friendly advise...

You're really limiting your ability to diagnose issues on your vehicle without someway of being able to continuously monitor the engine parameters on your car. I recommend you get some type of gauge to monitor important parameters such as knock count and ignition correction. Monitoring these two parameters will tell you when you're encountering knock events and what the ecu is doing to combat this. If you're seeing negative ignition corrections -2 to -3 at WOT, then you know that you have either poor fuel quality and/or spark plug issues.

Secondly, please talk to your tuner (Livernois) regarding what plug they recommend you use with their tune and at what gap setting. Don't just guess at this stuff or you run the risk of damaging your motor.

Thirdly, always try to purchase fuel from known fueling stations and brand. I'm not sure what you have available to you, stick with Mobil, Exxon, Texaco, Valero, but stay away from Shell, unfortunately 93 isn't the same across the board. You can buy a can of Race Gas Additive and keep it at home for when you do happen to get a bad tank of gas, as it can raise the octane significantly enough until you can get gas from your regular supplier. :cheers:

Here's some links for reference.

http://stratifiedauto.com/blog/knock-retard-kr-explained/

http://stratifiedauto.com/blog/spark-plug-tech/

http://www.aeroforcetech.com/products_order_ford.html

http://www.jegs.com/i/Race-Gas/814/...2&cadevice=c&gclid=CKWw3cibwtMCFZCFaQodA3sJ5w

 

[16EcomustangDIB]

I just watched your burnout video on YouTube and have read your comments in this post and I just want to offer you some friendly advise...

You're really limiting your ability to diagnose issues on your vehicle without someway of being able to continuously monitor the engine parameters on your car. I recommend you get some type of gauge to monitor important parameters such as knock count and ignition correction. Monitoring these two parameters will tell you when you're encountering knock events and what the ecu is doing to combat this. If you're seeing negative ignition corrections -2 to -3 at WOT, then you know that you have either poor fuel quality and/or spark plug issues.

Secondly, please talk to your tuner (Livernois) regarding what plug they recommend you use with their tune and at what gap setting. Don't just guess at this stuff or you run the risk of damaging your motor.

Thirdly, always try to purchase fuel from known fueling stations and brand. I'm not sure what you have available to you, stick with Mobil, Exxon, Texaco, Valero, but stay away from Shell, unfortunately 93 isn't the same across the board. You can buy a can of Race Gas Additive and keep it at home for when you do happen to get a bad tank of gas, as it can raise the octane significantly enough until you can get gas from your regular supplier. :cheers:

Here's some links for reference.

http://stratifiedauto.com/blog/knock-retard-kr-explained/

http://stratifiedauto.com/blog/spark-plug-tech/

http://www.aeroforcetech.com/products_order_ford.html

http://www.jegs.com/i/Race-Gas/814/...2&cadevice=c&gclid=CKWw3cibwtMCFZCFaQodA3sJ5w

Enlighten us why we should stay away from Shell. Thanks

 

[ForYourOwnGood]

Enlighten us why we should stay away from Shell. Thanks

Shells got a ton of additives to entice you into buying, but all it really does is make nasty gunk deposits everywhere.

 

[16EcomustangDIB]

Shells got a ton of additives to entice you into buying, but all it really does is make nasty gunk deposits everywhere.

Thanks for your reply. How exactly did you find out about this? Are you speaking from experience or are ther any proof of this? I'm concerned cause i run Shell. Thanks.

 

[jbailer]

Thirdly, always try to purchase fuel from known fueling stations and brand. I'm not sure what you have available to you, stick with Mobil, Exxon, Texaco, Valero, but stay away from Shell, unfortunately 93 isn't the same across the board.

I would add Sunoco to the list of good stations unless someone knows something I don't about them? I've used their 93 for years and have never had a problem.

Correct me if I'm wrong but I'd take Exxon off the list. While Exxon fuel itself is good, I've heard that Exxon no longer requires Exxon stations to carry their fuel. If that's true, that means they could be running something generic.

 

[TEXAS HEAT]

Enlighten us why we should stay away from Shell. Thanks

Shell 93 fuel has consistently performed poorly on both my Mazdaspeed and Ecoboost Mustang. Higher knock counts and more negative ignition corrections than either Valero, Sunoco, Chevron. This is from my personal experience not something I've read, however I hear others have had the same experience with Shell gasoline. Like I said not all 93 is equal. I personally only run Valero or Sunoco. I like Valero because it is also a Top Tier fuel, where Sunoco is not, but they perform very similar. Exxon and Chevron and Texaco are pretty much the same in my book, not great, but better than Shell. This will also vary depending on what part of the country you live in. I can not attest to BP, but I hear it is a good fuel.

 

[16EcomustangDIB]

Shells got a ton of additives to entice you into buying, but all it really does is make nasty gunk deposits everywhere.

Thanks for your reply. How exactly did you find out about this? Are you speaking from experience or are ther any proof of this? I'm concerned cause i run Shell. Thanks.

 

[16EcomustangDIB]

Huh, did not see the reply above before i sent my message. Thanks for all the replies, and apologize for the thread hijack.

 

[TEXAS HEAT]

Thanks for your reply. How exactly did you find out about this? Are you speaking from experience or are ther any proof of this? I'm concerned cause i run Shell. Thanks.

I think the best way is for someone to do their own testing by monitoring ignition corrections and knock events between different types of fuel and draw your own conclusions. For me, I can definitely tell a difference between Shell gasoline and the others that I mentioned. I've seen it in logs and my monitoring device and can feel the car pull timing and kick down my OAR.

 

[ForYourOwnGood]

Thanks for your reply. How exactly did you find out about this? Are you speaking from experience or are ther any proof of this? I'm concerned cause i run Shell. Thanks.

I'd have to go digging to find articles as its been a few years but both personal experience and some reading I did on the subject. I can tell right away when I fill up with Shell gas. Most cars on the road aren't as sensitive to it as these motors are though.

 

[K-Roll302]

Good News!!

Turns out it was just my ears over-listening to things and my being paraniod (I'm an engineering student :Headbonk. The noise I was hearing was completely normal and more than likely just my fuel injectors or fuel pump ticking away. I took my tuner for a drive yesterday and we both confirmed that everything is alright and all is well. I'd also bought and properly gapped and installed new OEM motorcraft plugs at .028 instead of going for one of my used sets. I wasn't experiencing knock or ping at all.

Sorry for the scares everyone! Everything is well!

 

[Yellowboost]

I'd have to go digging to find articles as its been a few years but both personal experience and some reading I did on the subject. I can tell right away when I fill up with Shell gas. Most cars on the road aren't as sensitive to it as these motors are though.

Ive ran nothing but the shell nitro 92 through my car. All the studying I did with vids and reading showed the shell with nitro was the cleanest burning gas?? I'm on the west coast so I'm limited to 92 octane.

 

[Ebm]

I've yet to see any proof that Shell shouldn't be used. My car has seen almost exclusively Shell Nitro gas. Multiple articles on Shell's Nitro gas have referenced the RON (anti-knock) rating as one of the best out there. Most RON ratings for gas stations were around 95. Shell's Nitro gas had a rating of 99. If you convert 99 over to an Octane rating, it's a hair above 93.

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