| distributor washer [message #167015] |
Fri, 20 April 2012 19:23  |
skip2
Messages: 544
Registered: September 2011
Location: Winter Haven,FL (center o...
Karma: 3
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Senior Member |
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Have pulled the distributor on my 74 canyonlands to replace a blown intake gasket. The PO had put on an edelbrock top end kit heads, cam, mainfold, carb during his major hotrod rebuild. It's the distributor that originally had points. While checking for trash in the hole it came out of saw a small washer on the hole where the oil pump driveshaft goes down. Got it out and it was a lite weight washer with 6 internal star points inside sorta like that would be used just to place something for assembly. Half of the points are missing. There are marks on the oilpump shaft where it once was attached but it doesn't seem to being much good now since it came off the shaft and was left inside. After all that, has anyone ever seen this before or does anyone know if it's really needed. Never noticed it before on all the GM distributors I've pulled out before. Looked in my TZE parts books and saw no sign of it.
Skip Hartline
74 Canyon Lands, FiTech,
3.7 FD LSD, Manny Tranny,
Springfield Distributor,
2001 Chevy Tracker Ragtop Towd
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| Re: [GMCnet] distributor washer [message #167023 is a reply to message #167015] |
Fri, 20 April 2012 20:09  |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Skip,
Go to Figure 8.027 PUMP - OIL on page 8-15 in Parts Book 78Z and look at key
10 SHAFT ASSY - oil pump drive extension and you'll see it on the shaft.
Regards,
Rob M.
-----Original Message-----
From: Skip Hartline
Have pulled the distributor on my 74 canyonlands to replace a blown intake
gasket. The PO had put on an edelbrock top end kit heads, cam, mainfold,
carb during his major hotrod rebuild. It's the distributor that originally
had points. While checking for trash in the hole it came out of saw a small
washer on the hole where the oil pump driveshaft goes down. Got it out and
it was a lite weight washer with 6 internal star points inside sorta like
that would be used just to place something for assembly. Half of the points
are missing. There are marks on the oilpump shaft where it once was attached
but it doesn't seem to being much good now since it came off the shaft and
was left inside. After all that, has anyone ever seen this before or does
anyone know if it's really needed. Never noticed it before on all the GM
distributors I've pulled out before. Looked in my TZE parts books and saw no
sign of it.
Skip Hartline
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: distributor washer [message #167025 is a reply to message #167015] |
Fri, 20 April 2012 20:49 |
roy1
Messages: 2126
Registered: July 2004
Location: Minden nevada
Karma: 6
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Senior Member |
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| skip2 wrote on Fri, 20 April 2012 17:23 |
Have pulled the distributor on my 74 canyonlands to replace a blown intake gasket. The PO had put on an edelbrock top end kit heads, cam, mainfold, carb during his major hotrod rebuild. It's the distributor that originally had points. While checking for trash in the hole it came out of saw a small washer on the hole where the oil pump driveshaft goes down. Got it out and it was a lite weight washer with 6 internal star points inside sorta like that would be used just to place something for assembly. Half of the points are missing. There are marks on the oilpump shaft where it once was attached but it doesn't seem to being much good now since it came off the shaft and was left inside. After all that, has anyone ever seen this before or does anyone know if it's really needed. Never noticed it before on all the GM distributors I've pulled out before. Looked in my TZE parts books and saw no sign of it.
Skip Hartline
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If memory serves me correctly,that washer is a tight fit on the pump shaft. It is located part way up the shaft and keeps the shaft located in the pump. It would be a bummer if you removed the distributor and the shaft came out of the pump.
Roy Keen
Minden,NV
76 X Glenbrook
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