Nissan Patrol 4.8 LPG Conversion

Hi craig,
As a gas fitter myself i would only recommend an IMPCO system use a 425 mixer and a converter to suit either a impco 'L' or an aussie made B2 both are fantastic .Not sure on the economy but power and reliabilty are equal to petrol with this system.

Give the guys at LAKESIDE AUTOMOTIVE a call for a price they are in Melbourne i no longer work there but the quality and detail of there work is excellent.94605630

Fitting a vapour system is like going back to stongberg carbies . The technology is way behind . What you want is a injected system. No power loss , sometimes even a power gain on gas. You also get 100 further on the same amount on gas. Make sure you pick the right system, there are some doggy set ups out there. Best person and set up is Progas in Huntingdale ask for Auther. Tell him Eric refured you for a discounted price.

Sell it and buy a diesel. As a mechanic that fits gas, this is my best sugestion. Just kidding!! We recently fitted an Impco system to a 4.8lt patrol i think it cost about $3500. they r a nice neat system, they dont go out of tune like some other brands do. They are easily repairable (you will occasionally need the convertor cleaned out with the poor quality gas that is around these days) Hope this helps with your decision

Still don't feel any overwhelming urge to put mine on gas, basically I love having >1000km range on petrol - but from research I have done I have had plenty of warnings from Nissan dealers about valve damage, so I'd do what I could to ensure that this area was looked after.

I mean beyond the standard phrases of - "yes our system starts on petrol and switches to gas so no problems"

Robin Miller

I have a 4.8 patrol on gas and will never do it again. Heaps of trouble. Catalytic converter burnt out halfway across Nullabor. (Common problem). Never quite right. Every time the car is mechanically serviced the gas is all up the creek. Problems getting a full fill on a hot day. (which is normally out woop woop where you need as much as you can get). I have the 75 litre fuel tank but as they are so thirsty you have limited range where there is no gas. Ask around and you will find that the 4.8's just don't like Gas. I found out after I had mine fitted!!!!

Don't know much about the Gas injection, it might be better. By the way mine is an Impco System. I am looking at getting rid of it and getting a diesel.

Cheers.

Just to follow up $3500 for IMPCO is to exspensive shop around should get it cheaper than that but make sure they are an authorised IMPCO installer.
If you can aford VAPOUR INJECTION this is the way to go ..

Craig ring LPG Gas 1 in Lilydale in VIC,they have all the answers,they did my GQ still going strong 14 years later and no probs.