Home » Public Forums » GMCnet » [GMCnet] GMC OWNERSHIP IS A SICKNESS.
| [GMCnet] GMC OWNERSHIP IS A SICKNESS. [message #352101] |
Mon, 10 February 2020 10:21  |
James Hupy
Messages: 6806
Registered: May 2010
Karma:
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Senior Member |
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Yesterday, while assembling an engine in my shop, I encountered a problem
that previously had failed to occur, at least to me. After degreeing in the
camshaft in this 455, i was buttoning up the front timing cover, and
noticed some interference (direct contact) between the crankshaft oil
slinger and the timing cover. Hmmmm, what in the ???.
As i was using a Cloyes Tru-roller 3 keyway timing chain set, I
suspect the crank gear was just a scosche thicker than the stock heavy duty
gear. And the combined stack with everything installed eliminated all the
wiggle room.
So, I looked carefully at the slinger, and pondered ways to increase
the clearance. Flattening the slinger in the hydraulic press occured to me
as did grinding a bit off of it. Ruled that out. So, I called another GMCer
I know, and emailed another one out of state to find another slinger. First
guy called me back, said he had a few to choose from, and to come over and
take my pick.
Judy and I piled in the car, drove to Costco and filled up with gas at
$2.499 a gallon and headed West. 98.3 miles later, I pulled into our
driveway with my prize.
Stacked the newly acquired slinger next to the original, there was
about 1/8" difference in height. Enough to clear. So, cleaned all the stuff
up, installed the new slinger and compensating dampener, laid a straight
edge across the front of the block, and "Eureka", success. So, I pulled the
dampener, installed the timing cover, and chalked that one up to just
another day in a GMCers life.
Now, I pose the following question to you guys out there. "What kinda
nut job would drive almost 100 miles to find an oil slinger for an obsolete
40+ year old relic, ant treat it like a normal day?" Just me, so far.
Jim Hupy
Salem, Oregon
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