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LPG compatible 6G75 heads
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Administrator
Posted 9/8/2011 20:05 (#13468)
Subject: LPG compatible 6G75 heads



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Location: An island off southern Tasmania.		Here is how to check if the engine in your 380 is LPG compatible.

If it has three drilled holes just near the oil dipstick...it is LPG compatible...if it only has one hole...it's not.

All series 3 models had the compatible heads..except the manual transmission models, NO manual transmission model 380 has LPG/Propane compatible heads.

The photo shows the side of the engine that normally is next to the radiator..i.e the front of the car.

Note position of dipstick for reference.



(LPG COMPATIBLE 6G75.JPG)



Attachments
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Attachments LPG COMPATIBLE 6G75.JPG (150KB - 566 downloads)
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wsbtt
Posted 10/8/2011 17:40 (#13471 - in reply to #13468)
Subject: Re: LPG compatible 6G75 heads



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Location: Brisbane,qld		How many k's do you get from a tank using LPG, to run LPG on my TMR what would be involved regaurding tuning

Edited by wsbtt 10/8/2011 17:42
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Administrator
Posted 12/10/2011 23:23 (#13665 - in reply to #13471)
Subject: Re: LPG compatible 6G75 heads



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Location: An island off southern Tasmania.
wsbtt - 10/8/2011 17:40

How many k's do you get from a tank using LPG, to run LPG on my TMR what would be involved regaurding tuning



450k's to a tank of highway driving...around 9k/litre...its a 55litre tank.

Tuning is a matter of getting the turbo lpg injectors rather than the stock impco injectors....not much more money...except if you have wrong ones to start.

I have the tune maps and ecu programming dongle for it, it's pretty easy.

When you go past about 3500 rpm with more than 30% throttle it switches to petrol for power anyway...then back to LPG when you cruise.

Thing to remeber is you still need petrol for start up till engine coolant gets to a trip point you set in the ecu.

Run out of petrol and car will not start, even with a full tank of LPG.

Here's mine before i got the LSD....

http://www.youtube.com/user/Redblower#p/u/12/yj9lpnfTEic
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stayer
Posted 22/12/2011 05:34 (#13882 - in reply to #13468)
Subject: Re: LPG compatible 6G75 heads



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Location: Russia, Perm		Guys, how many in Australia, the cost of 1 liter of liquefied gas? In Russia it costs 35 cents.
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Administrator
Posted 22/12/2011 09:02 (#13884 - in reply to #13468)
Subject: Re: LPG compatible 6G75 heads



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Location: An island off southern Tasmania.		In australia yesterday 58 cents
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phaseautos
Posted 3/4/2012 17:47 (#14183 - in reply to #13468)
Subject: Re: LPG compatible 6G75 heads


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Location: Australia		guys i know manufacturers recommend this and not that etc.
here is my take on it:
1, all alloy heads use hardened seats (the valve cant run in the alloy)
2, all modern valves are of higher grade metallurgy than 20 years ago

so i say if used correctly and not run too lean then all alloy heads work well with lpg

yes you can get better materials but they will work fine
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Iwudnt
Posted 5/4/2012 12:36 (#14204 - in reply to #14183)
Subject: Re: LPG compatible 6G75 heads


Totally true anyone can run lpg on any 380 by it is not recommened by mitsubishi hence the change in valve and valve seat material there was failures in early production and that is why they designed the compatible engine to help improve engine life. And to maintain 5 to 10 year warrenty by reducing risks of failures
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