Those who run LPG converted 2.2's

[hunker7]

I get about 27 on a long run, so will be expecting 24, but she isn't running correctly so maybe less.

[diesel des]

Yea I have got 23 a few times but that's not opening the taps and staying below 70...

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[hunker7]

Mine isn't 450hp

[hunker7]

Got 20mpg on 186 mile drive. That's a bit more than expected, but she's not calibrated properly, and seems to be sluggish too so considering that it's not that bad.

[diesel des]

That's good enough fuel economy. In what way is it sluggish? On petrol and gas?

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[hunker7]

That's good enough fuel economy. In what way is it sluggish? On petrol and gas?

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I expect it to go down by couple mpg, hopefully. It's sluggish on both.

[hunker7]

Thinking of having another go at calibration. Currently petrol ms goes down (3.1 to 2.1) when switching to gas, so I should decrease ms on petrol injectors (2nd and 3rd point on modelling graph)?

[diesel des]

You need to adjust the point on the graph nearest 2 or 3 mg. You can also move the points left and right to shape the graph. I would put a point right arround 3 ms so it adjusts idle

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[hunker7]

OK thanks. I'll have a quick look at what I have at the moment.

[hunker7]

Now I know why I need a wideband, one I have now is a right pain in the back side. Goes from lean to rich, never stops. This is where I am now, if 2nd and 3rd point is moved up, it's too rich, down, it goes lean.

Petrol ms 2.9 on petrol
Petrol ms 2.1 on gas

[diesel des]

Bring the point that says 3.9 down to the left so it's at 2 on the x axis. And about 2.5 on the y. Try that

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[hunker7]

Bring the point that says 3.9 down to the left so it's at 2 on the x axis. And about 2.5 on the y. Try that

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Will do tomorrow, thanks

[prj]

Now I know why I need a wideband, one I have now is a right pain in the back side. Goes from lean to rich, never stops.

Do not make any decisions off of that. EVER. It means nothing, especially when closed loop control is turned on in the ECU.

[hunker7]

Do not make any decisions off of that. EVER. It means nothing, especially when closed loop control is turned on in the ECU.

OK thanks. Just trying to get it as good as I can for now, till I get wideband

[hunker7]

Moved the point and petrol ms stays the same pretty much on both petrol and gas. No check engine light either.