Engine idle chirping (cricket) noise poll.

[Lakers86]

Mines came back afrer 3,000 miles. Pretty long time id say.. I kept listening for it too. But now its not as loud as the last pump and sometimes after my long commute and i let it idle in my driveway and it doesnt chirp at all. Its weird.. its never really a consistent chirp anymore. Sounds more like morse code... Im sure its the gas here.. what ever i hope to get my exhaust soon and hopefully that sound and my music will drone it out lol.

[NIKOLA]

Originally Posted by sierra

2 stroke oil is designed to lubricate and then combust with zero ash in certain ratings. A 1:1000 mix has stopped the chirps in some cases and I would suspect any effect of that tiny amount on the octane rating would be of no consequence.

Couldn't have said it better myself! Thanks.....

[sierra]

Originally Posted by HunterGreene

Its also "designed" for use in 2-stroke (or 2-cycle) engines. I'm not saying you are entirely incorrect, but using something outside of what it was designed for (using 2 stroke oil in a 4 stroke engine) can get you different results than what you may expect.

It's been used in 4 stroke engines with direct injection for many years at about 1:200 to compensate for the low lubricating properties of newer low emission fuels. To lubricate the HP pump and the rest of the engine that fuel comes into contact with. It also makes the engine quieter and more fuel efficient, which more than pays for the cost.

Google 'diesel mixed with 2 stroke oil'.
I've used it that way myself for several years and it was as good as others report. Others have tried it to shut the chirps up with no negative results reported so far. Let's face it, 2T is simply a lubricant designed to be used and then combusted in fuel.
I can understand your concerns but I would trust it more than any other fuel additive with their various claims and dubious contents.

[Terrapin77]

The chirping of my car is really bad so I would like to try this 2 stoke oil method. So basically I need to get 2T and put a cap full in the gas tank?

Sent from my XT912 using Tapatalk 2

[sierra]

Get a good quality low or pref. zero ash 2T oil. You might need more than 1:1000 but best to start light on and try a bit more if it doesn't shut up straight away. I wouldn't go over 1:500 if 1:1000 isn't enough.

It's easy when it's metric. The 50L tank needs just 50ml added before the fuel goes in. That way it's well mixed and not left in the filler tube.

12.5gal = 1600oz
1:1000 = 1.6oz

So add 1.6oz when you fill up next and then 0.13oz per gallon after that.

Best check my figures because I was converted to metric from imperial over 40 years ago.

Let us know how it goes.

[solidONE]

Originally Posted by sierra

Get a good quality low or pref. zero ash 2T oil. You might need more than 1:1000 but best to start light on and try a bit more if it doesn't shut up straight away. I wouldn't go over 1:500 if 1:1000 isn't enough.

It's easy when it's metric. The 50L tank needs just 50ml added before the fuel goes in. That way it's well mixed and not left in the filler tube.

12.5gal = 1600oz
1:1000 = 1.6oz

So add 1.6oz when you fill up next and then 0.13oz per gallon after that.

Best check my figures because I was converted to metric from imperial over 40 years ago.

Let us know how it goes.

Hmm... I wonder if the problem that causes the chirp is also one in the same with the problem that causes the direct injector seal to fail.

Converted to metric 40 years ago, eh? How old are you, if you don't mind me asking?

[sierra]

Originally Posted by solidONE

Hmm... I wonder if the problem that causes the chirp is also one in the same with the problem that causes the direct injector seal to fail.

Converted to metric 40 years ago, eh? How old are you, if you don't mind me asking?

The DI seals seem to be related to the ignition transitional tables being left at full advance.

64. I had finished my apprenticeship and was within 6 months of qualifying to be a flight engineer when I left college on a whim. I was a hippy then and whims were important! When I went back a few years later, to do that last year again, it had changed to metric. What should have been easy was much harder and I gave it away again.

[Lizai]

The chirp in my car seems come and go now. Yesterday on my way home the first 5minutes it was there but it became quiet since then till I got home. This morning it is back but not loud as before. Still in touch with Scion customers service.

[HunterGreene]

Originally Posted by sierra

Get a good quality low or pref. zero ash 2T oil. You might need more than 1:1000 but best to start light on and try a bit more if it doesn't shut up straight away. I wouldn't go over 1:500 if 1:1000 isn't enough.

It's easy when it's metric. The 50L tank needs just 50ml added before the fuel goes in. That way it's well mixed and not left in the filler tube.

12.5gal = 1600oz
1:1000 = 1.6oz

So add 1.6oz when you fill up next and then 0.13oz per gallon after that.

Best check my figures because I was converted to metric from imperial over 40 years ago.

Let us know how it goes.

Checking your numbers, you are spot on, 12.5 Gal(US) = 1600 fl oz (US).

Just wondering, but our tanks are actually 13.21 Gal (50 L) empty--I'm guessing you are going with the assumption that most of us won't run the tank completely dry before fill-ups?

[sierra]

Originally Posted by HunterGreene

Checking your numbers, you are spot on, 12.5 Gal(US) = 1600 fl oz (US).

Just wondering, but our tanks are actually 13.21 Gal (50 L) empty--I'm guessing you are going with the assumption that most of us won't run the tank completely dry before fill-ups?

Great.
I used 1gal = 4L from memory but it's 13.21gal as you say.
First time you are treating the complete tank, after that just what you add when you fill up.
Call it 1.7oz for the first time. Still 0.13oz per gallon after that.

That's a lot less than the 4oz of Lucas oil that NICOLA is adding every fill up. Even double that to 1:500 is only 2.6oz for a 10gal fill up but best to use the minimum needed to hopefully shut it up.

[Surakusa]

Originally Posted by HunterGreene

Checking your numbers, you are spot on, 12.5 Gal(US) = 1600 fl oz (US).

Just wondering, but our tanks are actually 13.21 Gal (50 L) empty--I'm guessing you are going with the assumption that most of us won't run the tank completely dry before fill-ups?

I could be wrong... but I use torque pro which gives a very accurate reading of how much a full tank is when you fill up. Although it is 13.2gal, It fills up to 12.5Gal everytime. Again I could be wrong but that is just my observation. so it's not 100% full.

[Lizai]

Originally Posted by NIKOLA

Just an update regarding the new pump I got installed.

After getting the High Pressure Fuel Pump replaced I had no problems. However, I have been using Lucas Oil mixed in with my gas. I might add that since the change I only used BP gas. I don't know why since I usually was a Mobile gas user with my 1998 Camaro Z28.

Anyway, a week ago I needed to get some gas and I filled up on Mobile gas. By the time I got home I had the beginnings of the dreaded cricket chirp coming back. Since I didn't have a bottle of Lucas oil with me when filling up I figured that's why the chirping had started. Though I never had a bottle with me at other times I was filling up. I put in 4 oz. The next day the engine was chirping as I arrived at work and later as I arrived at home. I was like, "WHAT THE F**K!!!" Well, once I got down to a 1/4 tank of gas I added another 3-4 oz. of Lucus oil and the chirping went away. The next day I fueled up at a BP and added another 3 oz. or so. Thus far, no chirping at all. After this tank I will go back to adding 4 oz. of Lucas Oil at every fuel filling at BP.

I believe that around the Chicago land area BP is the better gas for us over Mobile regarding this problem. I can't say about other gas stations, but I will be sticking to BP and Lucas Oil for the time being.

what kind of Lucas you use bro?

[MountainManFR-S]

I have around 5k miles and my car and had the chirp bad. I started filling up with 93 octane with no ethanol added and I haven't had the chirps in about 500 miles.

[NIKOLA]

Originally Posted by Lizai

what kind of Lucas you use bro?

This one: http://www.oreillyauto.com/site/c/de...0407&ppt=C0126