Peter -
Have you topped up the oil in your dashpots? No oil
in teh dashpots will cause this symptom.
Cheers,
Alan
'53 BN1 '64 BJ8
--- Peter Linn <greylinn@ozemail.com.au> wrote:
> For a while now my BN1 - based car has been spitting
> back through the rear
> carb. This happens for rather longer than you would
> expect on a cold engine -
> it usually only needs choke to start, & seems to run
> OK at all speeds, but
> there is the occasional spit-back, through the rear
> carb only, until the motor
> is really up to temperature. This seems to be mostly
> on a light throttle. The
> carbs are pretty well set up I think (H6s) using
> carb balancer & lift pins.
> The plugs look OK and are consistent across the
> cylinders. The carb spindles
> are getting a bit worn but the front is worse than
> the rear in this respect.
> Timing is set with a strobe but I'm not 100% certain
> of the total advance.
>
> Any ideas?
>
> Peter Linn
> Brisbane Oz
> BN1 Ward Special coupe
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