![]() | Home > For Sale & Wanted > [Wanted] 4.2 sc or 4.4 lpg |
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dhallworth Member Since: 10 Oct 2011 Location: Glasgow Posts: 3142 ![]() ![]() ![]() |
The AJV8 really doesn’t like LPG. It eats the valve seats and costs thousands to put right. Ask me how I know… |
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Drellis Member Since: 29 Jan 2023 Location: Manchester Posts: 13 ![]() |
Hi thank you , that is what i had read, sorry i didnt write the title properly. After bmw lpg or 4.2 jag. Its a car for my wife, if i come back with a sc then ill be putting the petrol in, actually if its lpg then ill be putting that in too as she hates the process of lpg refueling |
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Gsxr1250dave Member Since: 20 Oct 2018 Location: London Posts: 923 ![]() ![]() |
I'm not ready to part with either of mine yet but if I can't get ulez approval for my 4.4 m62 lpg I will be forced to let it go and keep the 4.2 sc sport I bought the wife. She found it to small for her needs so iv sourced a D3 v8 to replace her tdv6 D3.
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Drellis Member Since: 29 Jan 2023 Location: Manchester Posts: 13 ![]() |
Please let me know if you do decide to sell it, probably be getting one this month as planning driving the alps in april |
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Danwilderspin Member Since: 15 Jun 2016 Location: Cambridgeshire Posts: 2215 ![]() ![]() ![]() |
The 4.2 on lpg CAN be done right but they are usually not and they eat the valve seats. I’ve seen Prins vsi kits do mega miles in these with no detrimental effects … but I’ve seen loads of cheap polish kits not setup correctly killing them Current stable:
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dhallworth Member Since: 10 Oct 2011 Location: Glasgow Posts: 3142 ![]() ![]() ![]() |
Even when done correctly the valve seats still suffer. They are too soft to run on LPG as it’s much drier and has no lubrication.
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Drellis Member Since: 29 Jan 2023 Location: Manchester Posts: 13 ![]() |
Thanks all, im tempted to roll the dice on a cheap high mileage lpg 4.2 sc as long as had arches done. If engine goes will put a second hand engine in. If i pay 6k +for a lower mileage one still a high degree of risk a range it appears, so keep a war cheat of 3k and view it as part of purchase price |
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RobL322 Member Since: 29 Sep 2021 Location: Yorkshire Posts: 32 ![]() ![]() |
I have LPG fitted on my BMW M62 4.4V8 and running okay. now |
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Robert Member Since: 25 Oct 2011 Location: Perigueux Posts: 2289 ![]() ![]() ![]() |
OK, I'm not selling, but my 2007 (so Jag engined) vogue runs on LPG since she had 6000 miles on the counter. Now she has 120K mls and she is still doing very well. BRC with valve lube since nearly new.
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dingg1 Member Since: 29 Jun 2013 Location: PORTUGAL Posts: 1348 ![]() ![]() |
Agreed Robert
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Drellis Member Since: 29 Jan 2023 Location: Manchester Posts: 13 ![]() |
I think alot of the engine and gearbox problems were going to happen services or not. It looks like alot of the engines and gearboxes were built with other cars in mind, like e39 and e38 for the high rev 4.4 petrol and the jag petrol engines were also not built for very heavy cars, same for the gearboxes, no hassle in saloons, but add another tonne and a trailer and then see holes in blocks and gearboxes giving wat sooner |
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