Our
day was over, with only one abandoned run
to show for the new engine. When we got over
the momentary depression of blowing the clutch
on the first run, we started to analyze the
timeslip. Sacramento raceway gives ET and
MPH at the 1/8 mile as well as the quarter,
so we at least had some meaningful numbers
through the halfway point. The slip indicated
90 mph at the 1/8th, which was a solid five
mph faster than our previous
best on the 289 engine. Calculating the numbers
out, this looked to be at least 110mph in
the quarter, and a mid 12 second run. Not
bad for a shakedown run.
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|
Taking
the car off the trailer... |
...
Less than 15 minutes later, we
load the car back on the trailer. |
The
following week, we began disassembly and investigation
into the clutch failure. The pressure plate
and flywheel looked fine, but the friction
material on the pressure plate side of the
clutch disc had broken into six pieces. Our
initial thought was that the linkage had somehow
binded and the clutch was slipping down the
track, eventually resulting in failure. We
shipped the clutch off to Centerforce for
inspection, and they felt it was possibly
due to a crack in the material on the disc.
We feel it was probably something on our end,
but either way, Centerforce was of great help
and sent us a replacement immediately.
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