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Re: [T3] Carby Back fire


OK to summarise the situation.  Finished putting the carbs together and
installed them on the engine along with all new fuel hose.  Did a tune
except for timing as mentioned, new points (49deg dwell) adjust valve
clearance.  Went for 10min drive at speeds from 20-50MPH, no problems.  Put
car in garage. Next day drive across the road to the petrol station (no
problems), fill up.  (The petrol station is no more than 2min drive from my
garage door).  Dive out, no power, hesitates. (Incidentally, I was on my way
to Day of the Volkswagen, one of our biggest events of the year, so I was
particularly unimpressed. How do cars know when you're going somewhere
important?)  As I was still so close to home, I limped the car back to the
garage and left it idling.  It idled well, it was only when it revved that
the fluttering noise from the left carb occurs followed by the back fires.
The back fires happened at least three times, with varying severity, during
the 30secs or so I was revving it up and down.  When I saw the flashes of
flame in the throat of the carb, I shut it off to avoid any damage.

Steven
'71 Vert Fasty
'73 FI Fasty
Australia

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