9 replies to this topic

[hellom8]

I have just installed a replacement engine.
With no trottle and no choke it starts and idles perfectly, but as soon as I touch the throttle the engine drowns out and a puff of petrol pops out of the carb.
If I pull the choke out, same result, engine dies.
Checked the spark plugs and they are sotty.
Any ideas as to what this might be?
Cheers
Iggy

[Stiggytoo]

This could be down to fuelling etc. Does the carb dashpot have oil in it? 

[hellom8]

I pulled the dash pot plunger out, and it had plenty of oil on it.
I'll try topping it up.
I was thinking it maybe the mixture is to rich?

[Stiggytoo]

Have you set the timing as well?

[minimender]

Is distributor in good condition, new points, condensor, cap and leads?

[hellom8]

I haven't adjusted the timing.
I transfered the dizzy from one engine to the other, with both engines at TDC hoping the timing would be ok.
Can I check the timing with the engine running at idle?

[hellom8]

Its an electric dizzy and cap/rotor arm and leads are all good.

[Stiggytoo]

You definitely cannot just transfer the dizzy like that and expect the timing to be spot on. You need a timing light to set it properly (by turning the distributor in the block)

Edited by Stiggytoo, 08 September 2014 - 08:13 PM.

[hellom8]

I'll get the timing gun out and have a check, cheers.

[hellom8]

Timing was at about 25 after TDC.
Moved the dizzy clockwise until it reached approx 12 before TDC and it started revving as should.
Thanks for the help.