>
> It was because it was such a long trip that I did not
> push the car's limits...
>
>
Yes Mike, I know, I was kidding. When I go on long trips, I too avoid driving
the car too hard. An additional reason is I feel more comfortable when I am
familiar with the road. On very few occasions though when everything is just
right, I will push the car quite hard. 110 mph is close the limit of what I
call hard...
>So, my speedometer appears to be off by 5 mph.
Mike, this speedometer error, as you probably know is normal. What is unusual
with these late 60's Imperial speedometers is that the positive error
percentage diminishes as the speeds climbs. Your error at 60 was 8.3% while at
77 was 6.5%. My guess is that the error will continue dropping at higher
speeds. The same thing happens with my 68 sedan. At 80 indicated, I am doing
about 74-75, but at 120 indicated, the error is only ~3 mph or 2.5%. In the
LeBaron though, even though the trend remains, the behavior is different. At
75, its dead accurate, but at 120 indicated, true speed is about 130 mph (all
based on tach readings, and without considering effects of tire expansion at
the higher speeds). As for your 2.5% odometer reading, that's normal. Even
though odometers were a bit more accurate than speedometers, they were very
rarely dead on.
Keep on driving the Imperial the way it was intended. And, as you said,
consider installing KYB gas shocks. As for your Mobil 1 consumption, may be
you should let the level drop a bit. You may be able to reduce the oil loss if
the oil level is further down the crank. Either way, if you plan to drive your
Imp hard, its nice to know you have the best of the best in your crank case.
D^2
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