Club 80-90 Forums

Its been running a bit iffy for a while now, a month ago it went in for its MOT and they fiddled with the carbs to get it thru emissions
Now Ive had it back, its been backfiring on deceleration which I could just about tolerate (figured it was the leaky exhaust inlet), but today the thing made a very peculiar noise, emitted a puff of black smoke and then sounded horrible for the 40 yards I had to drive it to get off the single lane track.

No oil leaks or anything and not a constant stream of smoke, just a puff.

After 10 mins with no phone signal, I figured I would have to limp it back home, and to be honest, altho I literally crawled home, it sounded back to normal again ?!?!

2 questions really

1/ Whats the suspected issue / prognosis (I know its not much to base it on)

2/ Does anyone know of a mechanic with experience of setting up the carbs and timing on these vans (If I havent killed the unit anyway)

Help !

Oh and given its a bit of a dog, someone close to Yeovil (or mobile) would be an advantage

you might want to try one of those "colourtune" gunsons analysers, pop one in the spark plug hole and you can check your mixture with a coolour range, tune it and set it on the carb. either that or a gas analyser up the tail pipe? or tweak the mixture with the engine running until you find the smoothest idle. take it for a run if you think it's running rich back it off some more.

xpress wrote:you might want to try one of those "colourtune" gunsons analysers, pop one in the spark plug hole and you can check your mixture with a coolour range, tune it and set it on the carb. either that or a gas analyser up the tail pipe? or tweak the mixture with the engine running until you find the smoothest idle. take it for a run if you think it's running rich back it off some more.

Wouldnt be a bad skill to learn I guess !