Originally Posted by
ew1usnr
Hell, Scott.
How many miles were put on the engine since it was last rebuilt in 1994? Other than the vibration, did the engine show any problems like burning oil or running hot? Was the vibration getting worse? How many more miles do you think that you could have put on the engine if you continued to drive it "as is"?
Dennis,
In reality the car had maybe 1500 miles on it since the rebuild. Problem is the rods were notched in places that didn't make sense - probably in an effort to balance. The bearings and the cylinder walls were both scored a little. It was not burning oil or running hot. At 25 mph in town you couldn't tell. The problem is I don't live in town and most of my driving is at 50 mph or higher.
The issue started with a loud noise on acceleration from a stop and by last fall I was hearing it while driving and under load. The vibration became pretty pronounced this spring and the car would shake when accelerating. The mechanic drove it and said there was definitely an.
With the vibration and noise getting worse I felt like there wasn't much choice but to determine what was going on so we went through and methodically eliminated the driveline, transmission and torque converter as causes. It wasn't until the motor was torn down last week that we saw what was going on inside it.
Scott Zimmerman
'65 Falcon Futura 2 door hardtop, 289 V8
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