I find myself kerfluxed. I am helping a friend sort out some running
issues with a 70 TR6. The car was running poorly and there appeared to be
some
electrical gremlins, so we proceded to sort it out. We first established
a baseline by determining TDC was in fact zero degrees on the damper
markings and that the valves were properly positioned for an ignition cycle.
We
then set the crank for static timing and static timed the distrbutor with a
test light.
Because of some electrical gremlins we had to run some external wiring
(electric fuel pump) to make sure that all potential problems in the harness
were removed from the equation. We then tried to start the car. No dice.
Spark is present and fuel is present so the marriage between the two
(ignition timing) became suspect. While cranking the car over we rotated the
distributor until the car fired and ran, tweaked the distributor, and got it
to idle just OK with good throttle response and smooth run up to where we
took it (3000 rpm).
I then put a timing light to it at about 1200 rpm and the timing scale is
completely off the charts. The last number I can see is 24 and it is about
an inch advanced from the indicator. My next task is to put an advance
timing light on it and see what the advance actually is, but I expect it to
be real high. My first thoughts are that the mechanical advance in the
distributor is toast, but I have a few doubts about that as well.
This car is running points. Please don't tell me to put electronics in it
as we took them out and put in fresh ignition parts to establish the base
line. All ignition parts (except distributor body; mechanical advance,
etc.) have been cross checked against alternate parts to make sure there are
not
defective "new" parts in the equation.
As I said, I find myself kerfluxed. Comments?
David Lylis
69 TR6 CC26160L
60 TR3A TS74461LO
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