Hi all,
Upon rebuilding my engine I got thinking about the cam bearings and their oil feed.
The one near the oil pump has no oil feed hole, how does it get lubricated and not wear out ?
Cam Bearing, Oil Pump Side
Started by
pete l
, Yesterday, 09:24 AM
5 replies to this topic
#1
pete l
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Posted Yesterday, 09:24 AM
#2
Ethel
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Posted Yesterday, 10:34 AM
By what leaks out of the pump.
#3
Spider
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Posted Yesterday, 04:41 PM
On the back of the pump, there's a tiny oil squirt hole, so it does gt an oil feed, though, it's unfiltered oil.
#4
Gaz66
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One Carb Or Two?
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Posted Yesterday, 08:07 PM
On the back of the pump, there's a tiny oil squirt hole, so it does gt an oil feed, though, it's unfiltered oil.
That'll be why the cam bearings are always wrecked 😁
#5
Spider
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Posted Today, 02:28 AM
Said Hole
1275SpadeOilPumpWMBackCamBearingOiler.JPG 48.25K
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On the back of the pump, there's a tiny oil squirt hole, so it does gt an oil feed, though, it's unfiltered oil.
That'll be why the cam bearings are always wrecked 😁
It is only the back bearing that's lubricated in this way and I'm not sure I'd say that it was always wrecked 
#6
Gaz66
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One Carb Or Two?
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Posted Today, 10:21 PM
Every mini engine Ive stripped has always had deeply scored cam bearings. The type of scoring found in worn oil pumps.
Maybe Ive just been unlucky 😁
Worst ever was a 1071 S block, they were unbelievable!
Maybe Ive just been unlucky 😁
Worst ever was a 1071 S block, they were unbelievable!
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