LPG landcruiser

Submitted: Monday, May 15, 2006 at 13:38
ThreadID: 33914 Views:9005 Replies:8 FollowUps:7
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Sent an enquiry to Toyota Australia regarding fitting LPG to a V8 100 series while still under warranty, and got this back.

"Thank you for your email. In relation to your enquiry your Toyota Landcruiser is not LPG compatible. Toyota does not recommend any modifications, including LPG conversions to its vehicles."

Very interesting I thought.
Not very progressive of them, but I understand why they wouldnt want to take responsibility for something they make no money and have no control over.
Does anyone know of any "real" reason why they couldnt be gas converted?
Does anyone here have one converted?
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Reply By: Big Kidz (Andrew & Jen) - Monday, May 15, 2006 at 14:43

Monday, May 15, 2006 at 14:43
I read on the lcool site that someone had bleep tered a conrod and bent another one and that there was a suspicion that it was related to LPG and warranty was denied by Toyota so they were out of pocket big dollars.

Andrew
AnswerID: 172783

Follow Up By: Axle - Monday, May 15, 2006 at 17:35

Monday, May 15, 2006 at 17:35
Funny you should mention that,! reading a add for the new falcon sedan out thats fited with gas at the factory, and one of the things they noted was the strengthing of con rods and fitting harder valves and valve seats in comparison to the standard motor.

Axle.
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FollowupID: 428478

Follow Up By: fisho64 - Monday, May 15, 2006 at 19:17

Monday, May 15, 2006 at 19:17
Seems a bit funny to have to fit stronger conrods when there is a net power loss? Valves and valve seats I could understand, if they are a bit borderline to begin with?
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FollowupID: 428500

Follow Up By: Big Kidz (Andrew & Jen) - Monday, May 15, 2006 at 19:24

Monday, May 15, 2006 at 19:24
The theory that I heard was that cars are more likely to backfire on LPG and that stresses the engine and can break the conrods - though I wouldn't have a clue personally.
Andrew
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Follow Up By: Tahiti Blue - Tuesday, May 16, 2006 at 08:44

Tuesday, May 16, 2006 at 08:44
The Ford Motor Co is saying the same thing about the Falcon's petrol 4.2L Barra engine, ie "no warranty if LPG fitted" Some LPG installers are wary of fitment however there are a few who are prepared to install the LPG system, provided that is a fuel injector model, which eliminates gas build up in the standard manifold type application. The injector system eliminates backfires, the root cause of dual fuel engine damage. I am hoping to have one of these systems fitted to our BA Falcon Ute, but I want to check it's towing ability on our new van first.
Maurie
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FollowupID: 428593

Follow Up By: Mad Dog (Australia) - Wednesday, May 17, 2006 at 16:58

Wednesday, May 17, 2006 at 16:58
Andrew, the theory you heard is correct, the rods have a thicker webbing to provide extra strength in case of backfire.
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FollowupID: 428993

Reply By: Member - Stan (VIC) - Monday, May 15, 2006 at 15:17

Monday, May 15, 2006 at 15:17
My brother in-law has converted theirs 2004 model to LPG about 8 months ago...
I converted my 2004 Prado to LPG about 3 months ago...
Just make sure that you fit the Flashlube kit if you are putting the gas on...

www.vags.com.au/LPG-product-range.htm
AnswerID: 172793

Reply By: Robin - Monday, May 15, 2006 at 16:18

Monday, May 15, 2006 at 16:18
I believe the real reason is because the cruiser V8 engine
runs much closer to the wind than its opposition the
Patrol 4800.
I mean it is a heavily controlled engine with extra
engine control sensors and runs significantly leaner than
the patrol, for this reason it gives about 10% better
economy but the V8 delivers less go than its straight 6
rival.

If you look at the power/torque curves of both the Patrol
and cruiser, the patrol power is a smooth near perfect curve
whereas the cruiser buckles over as the revs rise.

Vehicles on gas are inherently more prone to valve
issues and the high temperatures of lean mixtures.

Robin Miller
AnswerID: 172802

Reply By: fisho64 - Monday, May 15, 2006 at 17:53

Monday, May 15, 2006 at 17:53
Been on the Nissan website but cant find an email address there for customer service??? To see what their policy is?
AnswerID: 172816

Reply By: Rock Crawler - Monday, May 15, 2006 at 18:21

Monday, May 15, 2006 at 18:21
yes I have heared about both cars and is very suspect that it was caused by gas. I think that the warranty is out the window , no matter what happens to the motor
AnswerID: 172819

Reply By: snailbait (Blue mntns) - Monday, May 15, 2006 at 20:58

Monday, May 15, 2006 at 20:58
fisho64 asked for information on LPG landcruiser
hi fisho64
i would sugest that there is a problem with the total gas conversion of the engine i would sugest that you could convert to gas (but) you would have to loose something in the conversion you would have to alternate 1/4 of you tank fills to petrol the engine will not run on full time gas you will have to alternate if you decline to do this you will suffer the lower ingine ks sorry for the spelling
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AnswerID: 172850

Follow Up By: fisho64 - Monday, May 15, 2006 at 22:08

Monday, May 15, 2006 at 22:08
Why, do you think?
Im not an expert on LPG but wouldnt using Flashlube or similar give the same result, which is to lube the valve seats?
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FollowupID: 428556

Reply By: fisho64 - Monday, May 15, 2006 at 22:06

Monday, May 15, 2006 at 22:06
Have since received this from then when I requested more info

"In reference to the response to your initial query regarding LPG conversion we reiterate that your Toyota Landcruiser is not LPG compatible. Toyota does not recommend any modifications, including LPG conversions to its vehicles. The Hilux is built for petrol use only and we do not recommend that any modification are made to your vehicle.

It is your perogative if you wish to convert your Toyota vehicle to LPG.

Thank you for contacting the Customer Relations Centre. "

Sounds like it is just a blanket policy?
AnswerID: 172867

Follow Up By: ellmcg - Tuesday, May 16, 2006 at 08:38

Tuesday, May 16, 2006 at 08:38
I got the same response from Mitsubishi a few months ago.

It looked like a blanket response, yet I can't get anyone else to own up to having an old Pajero on gas. And the people who do the gas conversions just say 'ask Mitsubishi first'
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FollowupID: 428592

Reply By: fisho64 - Tuesday, May 16, 2006 at 16:53

Tuesday, May 16, 2006 at 16:53
heres one from Holden also, but a bit more conciliatory, to their credit.
"
It is with regret that we advise that Holden does not currently offer an approved LPG system to suit your vehicle. We invest a considerable amount of time and research prior to the approval and release of our products. As a result, in some cases our stringent approval standards may not be met. However, if approved, all Holden Accessories come with the added protection of Holden's comprehensive New Vehicle Warranty when fitted by your selling Holden Dealer, or Holden's Parts and Accessories warranty when purchased and fitted after the original vehicle purchase.

Should you decide to fit a non Holden approved LPG fuel system to your vehicle, please be advised that Holden will not provide the warranty on the LPG system. In addition, should a problem present itself on the vehicle that is attributable to the LPG system fitted, this problem will not be covered under the terms and conditions of your new vehicle warranty. In cases such as this, you would need to raise the concern with the LPG system provider.
AnswerID: 172964

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