[DML] update on #2613
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[DML] update on #2613

I filled up the DeLorean three times on the way up to Charlotte, which
is about 750 miles. Thanks to the intrepid troubleshooting skills of
the good folks up in NC, notably Louie G, Bill R, and Jeff F, we found
a vacuum leak that enabled me to fill up only twice on the way home.

The biggest problem was that when somebody had replaced the fuel
distributor they had torqued down the long M5 screws that hold it on
so tightly that it took an impact wrench to get one of them out. For a
while it looked like panic time until someone fired up the air
compressor for that tool. The biggest find was the vacuum leak behind
the brake booster.

After everything was back together and some hoses and O-rings had been
replaced, it was time to do the fuel/air adjustment. The car kept
starting and dying, and someone's suggestion was unburned fuel, so
Bill held open the throttle plates while I started her up. We found
out something interesting: revving the DeLorean's engine beyond 7,000
rpm will bend aluminum blades on your alternator, causing them to
scrape the housing. :-( After bending them back, we adjusted the
air/furl mixture until the car idled at about 900-1000rpm. A quick
drive around the block proved that the car was running smoother and
quieter. By then it was dark and time to put back the tools and go

The car still idles -- occasionally -- high, and since it is
infrequent now I will have to check things that are, as Bill says,
"variable," including electronics and other vacuum-related things. It
still -- occasionally -- dies after starting it while hot. This coule
ba a fuel/air mixture issue, but I doubt it, since idling at 900rpm
seems to be the standard (not according to the manual, but according
to everyone else).

My thanks to Bill, Jeff, Louie, Eric, and the good folks in NC for
their time, effort, and attention. My as-yet-unnamed car purrs about
95% of the time now, and she seems happier for being driven 1600 miles
in the last two weeks. :-)

Farrar Hudkins
#2613 (auto)


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