One other thing to check is that the carb pistons move freely and do not
stick. When lifted they should drop down with a clear click, without the
needle touching the jet. If not clean pistons and dashpots carefully
and/or adjust the needles to centre them.
Kees Oudesluijs
Simon Lachlan wrote:
> Paul
> Good advice from Kees.
> I would like to add; do the carb spindles moving in unison. Or is just one
> carb doing the job once off idling. Been there.
>
> Regards
> Sven
> Sweden
>
>
> Paul,
> A faulty valve/camshaft timing is higly unlikely unless someone messed
> up things really bad when the engine was build up.
> -Is your distributor OK, i.e. do the weights move freely and are the
> proper springs fitted?
> -Are all vacu|m lines connected?
> -Are the carbs in order, proper damping with ATF or very light oil,
> correct springs, no worn butterfly spindles?
> -Are the correct needles and jets fitted to the carbs?
> -Did you fit new sparkplug leads?
> -Is the wiring of the electronic ignition connected up the right way?
> -Did you check the mixture using a Colortune?
> -Did you balance the carbs?
>
> Most likely the mixture is to lean due to a leak somewhere.
> Kees Oudesluijs
> NL
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