All conversions will run on gas and petrol, not diesel thoughstupid question Ian but could you not have both gas and petrol in a jag with most of them having two fuel tanks?
PPS, I don't think that modern jags still have that twin tank system.....
I had a 1986 and they had done away with the twin tanks then, could possibly still have em on the big engined models, mine was only a baby jag with a 3.6 in itPPS, I don't think that modern jags still have that twin tank system.....

I had a 1986 and they had done away with the twin tanks then, could possibly still have em on the big engined models, mine was only a baby jag with a 3.6 in it![]()
Mines not so gorgeous now, was bought by an insurance fraudster, wrapped it up with a BMW, 7 occupants total in both cars all with back/neck injuries, had fraud squad round here, ringleader/buyer of the two cars got jailed, not sure what happened to the rest

)sorry flashy, I actually mis read your post. Yes, all gas converted cars keep a petrol tank, some choose to remove the original one and fit a small one so they can use the space for the gas tank(Mainly 4x4's). My Volvo holds 15 gallons of LPG and 15 gallons of Petrol. If I was to fill both I could drive for > 800 miles without stopping(wee permitting!)

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