I've posted before about my once in a while intermittent ignition
problem when the Tigerr stalls, usually from idle (about 900-950 RPM) ,
but ocassionally I get a "bump" at high speeds,. It has also sometimes
stalled at high speeds. In the past, this usually happened when it's hot
out (85-90 and above), with the air conditioning and the stereo turned
up full blast. It was suggested that my four year old 60 amp. alternator
wasn't up to the job (letting voltage drop below 12 volts to the
Pertronix Ignitor II ignition?). So...I installed a 100 amp alternator
last week.
I found out today the alternator is obviously not what caused the
problem. Only about 80 out, water temperature not much over 170, the car
stalled on me several times from idle, then bumped three or four times
on the freeway today. It doesn't seem to happen under full
acceleration, but is more likely at cruising speeds or idle.
I'm getting behind the dash tonight to see if any wiring to the tach, my
new voltmeter (which just gets its voltage from the fuse block so it
shouldn't interfere) or the ignition switch (when the car "bumps" or
shuts down, it's like someone just briefly turned the key off and back
on, or completely off when it stalls) looks funky.
Maybe another clue: my distributor shaft is worn and wobbles a bit.
Could this be a factor? It's an old Ford dual point I converted to the
Pertronix.
On the other hand, I don't think I ever had this problem (other than
vapor lock on my previous Tiger) before I installed the Pertronix. So,
maybe I should just get it over and put in a new disrtibutor. I'm
thinking of the MSD "Pro-Billiet" unit, which has the ignition module in
the cap.
Any new opinions on what could be again happening? Could it be the fuel
pump? I'd hate to spend the bucks for the new distributor and have the
same problem on the way to SUNI.
Thanks.
Steve Sage
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