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Bad gas

Submitted: Thursday, Nov 03, 2005 at 11:44

Brad, W.A.

I have a 95 80 Seried LC 4.5L on gas and have been unable to rev much past 3500 rpm, I took the car to the gas fitter and he found, when removing the drain plug from the convertor, a brownish sludge ran out. This build-up of sludge restricts the movement of the diaphragm. Apparently there has been some bad LPG and this sludge collects in the convertor and gums it up. Some people have been able to claim the repair cost back from BP, who have admitted responsibility, as to any other companies footing the bill i don't know. The cost to rebuild my convertor will be $409. This is in Perth, has anyone from other state heard of these problems?
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ThreadID: 27787 Replies: 6
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AnswerID: 137623   Submitted: Thursday, Nov 03, 2005 at 15:35

Member - Peter R (QLD) replied:

My converter was fitted upside down in an 80 series 94 model, and it was full of oil which cost me a similar figure to what you were quoted. Mine was due to incorrect fitting and not the gas used.
Spoke to firm who did the job for me and they said they had had several rebuilds due to the BP gas.
Apparently if you have a BP card or can prove you have used BP pretty exclusively you will have a case for them to answer.
One client of theirs had 4 vehicles which travelled from Melbourne to Brisbane all with the same problem.
He had a BP card and had taken it up with company; don't know the result.

Pedro
Reply 1 of 6
FollowupID: 391328   Submitted: Thursday, Nov 03, 2005 at 19:32

gqpat posted:

I hope your getting a dyno after that rebuild for $409 a impco or b2 rebuild kit is only $100-$150 and a brand new omvl converter is only 420-450 fitted .my local lpg fitter sells brand new b2 converters for under$250 around $400 fitted and dynoed...
FollowUp 1 of 1
AnswerID: 137655   Submitted: Thursday, Nov 03, 2005 at 19:42

Member - Peter R (QLD) replied:

QAuote for a brand new impco converter fitted was $600+ and the firm said they would not dyno a full time 4WD.

Pedro
Reply 2 of 6
FollowupID: 391343   Submitted: Thursday, Nov 03, 2005 at 22:05

Bilbo posted:

Now that's interesting - "would not dyno a full time 4WD".

I suppose you's have to jack up the front wheels whilst the back wheels were on the dyno and vice versa and then add up the BHP figures!

Be a bugger if it slipped off the jack though.............

Bilbo
FollowUp 1 of 2
FollowupID: 391426   Submitted: Friday, Nov 04, 2005 at 15:25

Member - Glenn D (NSW) posted:

There are 4wd dynos around , have a look in your news agent at the mags of modified jap cars .

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PATROL
FollowUp 2 of 2
AnswerID: 137688   Submitted: Thursday, Nov 03, 2005 at 22:07

Member - Peter R (QLD) replied:

Bilbo, I think that is the reason he would not dyno it.

Pedro
Reply 3 of 6
AnswerID: 137821   Submitted: Friday, Nov 04, 2005 at 16:49

Steve replied:

Bad gas?

Glad to hear someone else has it.
Reply 4 of 6
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AnswerID: 138412   Submitted: Tuesday, Nov 08, 2005 at 08:30

Boc1971 replied:

Ive had a Gas vehicle now for about 5 years + never had any problems with the gas convertor ( apart from the time it cracked due to coolant not geting to it and it freezing over- then numb nut mate poors hot water on it )

cost me about $200 for a new convertor ( done the job myself )

where is this ' sludge' comming from that you speek of and why would it build up in the convertor only ???

Frank
Reply 5 of 6
AnswerID: 138425   Submitted: Tuesday, Nov 08, 2005 at 10:14

Brad, W.A. replied:

Frank, The 'sludge ' is an accumulation of process by-products carried over in the gas, a major petroleum company had a problem with one of their process plants which caused excessive amounts to be carried over into the final product. Why the accumualtion is in the convertor only I don't know but I have seen several stripped down convertors and they were a mess, the movement of the lever that acts on the diaphragm becomes severly restricted and other parts inside the covertor become clogged or covered. I now can't rev over 3200 rpm without losing gas supply and my economy is dreadful.
Reply 6 of 6