Crappy earth somewhere...........battery to chassis/body, chassis to engine/gearbox?? Or crappy main feed to starter??

To test the servo, pump the pedal several times, with the engine off, to get the vacuum out. Then hold the pedal down firmly and then start the engine. If the servo is doing its business, you can feel the pedal move down as the vacuum builds up. Then stop the engine and pump again. You...

Won't the inherent ineffeciency of the inverter mean that you use loads more power to get the same draught that you'd get if you just used a 12 volt fan? Bit like using a motor to drive a generator to power the motor to drive the, er, generator.................? Any electronics engineers care to...

Yep, that's now I would see it. Obviously, I've tried to keep the above to a readable size but, yep, what you say is right. 'Scuse me for a mo, I'll just hang my anorak up.........that's better. The problem wiv lots of traffic law is that it's been updated many times since the red flag days...

From the point of view of a 28 year serving copper, the way we applied it on the road is: Trailer brakes: 1. Every trailer over 750kgs Maximum Gross Weight must have brakes. Gross of course, is the weight that the trailer and its load are not allowed to exceed, otherwise it's overweight...

Mine was doing that: turned out to be the coil. When it was hot (working temp) the internal insulation was breaking down and at tickover it just stopped because the spark was feeble. That engine had a 34ICH Weber for years and worked fine. Of course, it could be the carb.................

It's likely that you have had the common problem of 'oil transfer' between the 'boxes. Tends to happen due to difference in temperature between them. Just correct the levels to the level plugs and it should be OK. Overfilling doesn't normally cause too much of a problem: it just wees oil...