Got a '75 that runs sweet EXCEPT that after I've been driving for a while
(an hour or more) and I stop and turn it off, it has a hard time firing back
up. It cranks like it wants to catch, but usually requires a few minutes of
frustrating cranking before it actually catches. I've rebuilt the carb,
changed the fuel line and literally rebuilt all the mechnasims from the
pedal to the carb. I've even dropped the gas tanks and cleaned it out.
Any suggestions on where I go from here?
Sounds like a hot soak start up problem to me. Hot soak is when you shut the
engine off and all the gas boils out of the float bowl. You then have to
crank the engine long enough to refill the float bowl. Usually a heat
dissipater mounted between the carb and intake will remedy the situation. -
and when the gas boils out of the float bowls, sometimes it ends up in
the intake manifold...so the engine is flooded.
And keep in mind also that 90% of "carburator problems" are caused by
the ignition system :)
I had this problem with my TA years ago......the float in the carb is stuck
Run the car a few minutes.....shut it off....remove air cleaner
and look down the carb throat to see if it has gas trickling into it.
Let me know what turns up.........Stan
Also make sure the distributor has at least 9 volts going to it during
cranking (HEI system)
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