desiel gas conversion by mr spanners

Submitted: Sunday, Oct 12, 2008 at 07:57
ThreadID: 62471 Views:4643 Replies:2 FollowUps:2
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hi guys just got the patrol back from mr spanners at sumner park
noticed increase in power straight away yet to to do some kms to check out the total package. total cost of conversion for the 4.2
patrol was $4780.00 workmanship excellent.

ps can't wait to start travelling australia with the rig
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Reply By: Flywest - Sunday, Oct 12, 2008 at 14:22

Sunday, Oct 12, 2008 at 14:22
Have had 2 vehicles converted by diesel gas australia

1Cruiser 1HD-T 4.2 80 series
1 F 250 7.3 liter Power Stroke intercooled V8

Both rn great on the diesel gas blend and oth get more ho ad save $ on running costs etc.

One thing I'd encourage you to do!

Switch the gas off for a moment - and do an oil change - keep a sample of your used oil from before the conversion, have it ananlysed by westrac CAT & pay for the more detailed analysis kit where they check soot levels.

Then switch the gas back on and keep testing the used oil at the oil change intervals to see if theres any diofference.

Reason I say that is:-

Most of the converters claim your engine runs cleaner due to higher efficiency of burn when LPG is added.

I hav found the opposite - the oil gets dirtier with LPG not cleaner (quite a few samples now over both vehicles).

I also get reports from the testers that the oil has higher sulphation and nitration levels meaning you can't go to extended oil change intervals - even with the new expensive synthetic oils that claim you can.

at $20 a liter for Delvac 1 and using 18 liters per change in Effie - (i.e. $360 per change) - you would want to get mmore than 5000 km's per change - and because of the resultsI'm getting back on the oil analysis - i can't do that!

What I'm saying is - it pays to keep an eye on the condition of the engine before and fater the conversion - if wear metas were to increase rapidly - you'd want to know in time to do something about it.

I've read a LOT of advice given out at this forum by those with diesel gas conversions, praising the imporvements but no one so far that i have seen that is easurig / quantifying accurately - any changes in a technical manner such as used oil analysis to look for any downsides.

I'm still happy with both vehicles performance - just not happy that some of the claims (cleaner running engines) the converters are claiming arent supported by the UOA test results at all.

I'd also suggest installing at a minimum a Pyrometer gauge for monitoring Exhaust Gas Temps, the increase in operating temp COULD be responsible for the early failure of the lubricating oils.

Go into this with your eyes wide open is what I am saying.

I keep excel spreadsheets of my used oil analysis results for all 3 t diesel vehciles, before and after conversion - with or without gas etc, and can graph the changes for a pictorial trend to SEE frst hand the changes!

The advertising isn't telling the WHOLE story only the good bits they want us to know.

Cheers
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Follow Up By: Dave(NSW) - Sunday, Oct 12, 2008 at 14:35

Sunday, Oct 12, 2008 at 14:35
Flywest,
You are dead right, The "clean running engines" just means it's not blowing as much smoke out the exhaust
GU RULES!!

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Reply By: Truckster (Vic) - Sunday, Oct 12, 2008 at 20:30

Sunday, Oct 12, 2008 at 20:30
Have a read of this thread... then go back and ask if its legal.

http://www.patrol4x4.com/forum/showthread.php?t=21141
AnswerID: 329561

Follow Up By: Flywest - Tuesday, Oct 14, 2008 at 02:46

Tuesday, Oct 14, 2008 at 02:46
Here in WA, my 2004 F 250 7.3 PSD when converted to diesel gas by Lovato (Diesel Gas Australia - Not the D Gas company mentioned in the above referenced thread) received a compliance plate for all the ADR's - and to do this an approved exhaust emmissions testing facility ran the vehicle up on a dyno both with and wothout the gas switched on and provided certification of the emissions results as well as the Dyno results.



Those results had to go to the WA Police Govt licensing authority who then approved the installation after a physical inspection and checking the emissions against the ADr's approved for that vehicle!

As far as cleaner engines etc, well each has to make their own decisions about that sort of thing.





I suggested used Oil Analysis as one method - and graphing your results before & after to look for changes.















I guess what bigs me alittle i that a LOT of the most vociferous advice against LPG conversions seems to come from those who don't actually have it and are tus least qualified to comment.

As one of those who dies have 2 such vehicles converted -- I usuallykeep enough FACTUAL info on hand to back up whati say!

Often the aswer then from the loud mouths is:-

Can you summarise that - it's too much for me too read! :rollseyes:

The whole point of posting a detailed reply is so that those with the same question in a few months time can find a half way decent and detailed response - when they do a search - it saves a lot of repetition - and at the sametime helps those who come after us with similar / same questions.

Cheers
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