I have an automatic 3.5 1989 rangie with a "bitsa" install. Two small tanks in the boot (so no real useable boot space), and BRC Elegance switch with a pair of toggle switches strapped on (they appear to enable/disable the two fuels), which doesn't have a working fuel light set. They all light at start but never show less than full.
The under bonnet section is vaporiser, solenoids, inline valve and mixer as you would imagine.
The vaporiser is a Kar-gas Airod, sometimes badged as a Longas.
The biggest issue is, it will drive great on gas, but won't idle at all. We spent 3 hours on a garage gas analyser last weekend. Everytime we got it to idle cleanly, there was no way it would rev at all. If we got it to Lambda 1 at 3k revs, then it didn't even try to idle. It just dies instantly the revs drop.
It has had new plugs gapped to .7mm, a new dizzy cap, did fit new Halfords plugs but they wouldn't even let the thing fire never min run at all on petrol. They went back and the old Bosch plugs went back on all good.
So, any suggestions. I'm in Warrington, if anyone can offer a suggestion for a good but cheap mechanic who knows LPG? Doesn't need to have paperwork, just be experienced.
I'm thinking that I might need to actually get a new Vaporiser because the diaphragm may be torn and I might as well replace that switch and get one that actually works.