LPG Conversion for Toyota Prado

Submitted: Monday, Nov 28, 2005 at 10:39


I have a 2002 Toyota Prado, 3.4 litre petrol and would like to learn more about the success or otherwise of converting to LPG. I have duel tanks, and understand the 90 litre tank would be removed for the gas tank(s). Canberra prices for conversions are around $2400-2500. My current range is > 1100 kms, consumption 12.5-14.5litres/100 km (if towing camper trailer). Would this be substantially changed? I propose to do the big trip to Darwin and WA next year.
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AnswerID: 141291   Submitted: Monday, Nov 28, 2005 at 10:51

flappa replied:

Usual estimate is up to 1/3 more consumption for gas over fuel.

eg , at 14/100 you are probably looking at approx 19/100 on gas.

I know there are quite a few Prado's on gas , but when I was looking at buying , I was told to stay well clear on 3.4 V6 on gas. They have a habit of blowing head gaskets just on petrol. Running gas which is hotter increases the problem.
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FollowupID: 395025   Submitted: Monday, Nov 28, 2005 at 19:54

smada posted:

Figures quoted by flappa are spot-on, I have a 1996 Prado Grande V6
Duel fuel which is returning 13.3/100 on petrol and 18.18/100 on gas.
I beleive those figures will improve with a good tune up.I have been in touch with a company at Caloundra QLD (after reading about them in Forum) and although I live at Inverell NSW I'm going to have them tune the Prado and am expecting an improvement.I'm not having a go at anybody or stirring the Pot but I have heard & read all the stories about Prado's being no good on LPG but the majority appear to be from people who knows sombody who's cousin knew a bloke who was talking to a bloke who had been told that it was disastrious to put a prado on LPG.Every owner of Duel fuel Prado's I contacted were very happy their decision to use LPG.My Prado had travelled 195,000 Km before adding the LPG system and the engine had not been touched.Contact LPG fitting or tuner/repairs and ask them questions as well as getting the names of Prado owners who are using LPG. Happy Hunting regards smada
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AnswerID: 141385   Submitted: Monday, Nov 28, 2005 at 21:17

Member - Matthew L (NSW) replied:

I converted my Prado to LPG AT 210,000 klms. The only problem I have had is I should have done it about 4 yrs ago.On the highway I get around 400klms but around town only about 300 from the 72 litre usable tank.My fuel range now would be somewhere around 800 klm on the Hwy,gas and fuel. I have not had any problems in the first 4 months.In one trip from newcastle to Melbourne return I estimated that I have saved approx $220 . I am going to the Gold coaste at Xmas and by then in the first 6 months I have saved $1100. The longer you think about it the less you will save, just do it:)
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AnswerID: 141387   Submitted: Monday, Nov 28, 2005 at 21:24

lunchbuckett replied:

I have a 1999 Toyota Prado 3.4 V6 (with 176,000 on the clock) on duel tanks, LPG conversion has done 75,000 kms with no problems, even better now since having gas tuned. Gas tank holds 75 usuable litres of gas and on average not towing a caravan, I average 400 km out of the tank. Towing a 23 foot caravan weighing 2.28 Tonne, my average drops to about 350 km. I have no loss of power using gas as opposed to petrol. I highly recommend gas conversions.
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FollowupID: 395459   Submitted: Wednesday, Nov 30, 2005 at 21:29

smada posted:

As a point of interest where did you get your LPG Prado Tuned at.Its hard to find a realy good Gas Tuner.
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AnswerID: 142015   Submitted: Thursday, Dec 01, 2005 at 20:25

lunchbuckett replied:

smada if you are down the southcoast of nsw stop in at st georges basin and go to
st georges basinl LPG Conversions & Mechanical Repairs, great service, smiles when he takes your money
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