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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Oil pressure problems
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<blockquote data-quote="timetraveller" data-source="post: 109317" data-attributes="member: 456"><p>Have you actually seen this Erik? I always fit a twin start oil pump to every twin engine I work on for myself. It is true that one needs a small deflector plate to stop the oil splashing under the oil filler cap and I make them from a piece of 'baked bean' can, about 50mm by 25 mm, curved to deflect the oil downwards. Even with the twin start pump the oil at low revs still comes out in low pressure blobs/spurts. What would happen at high revs I don't know but why would anyone rev the engine flat out without the screw in place?</p><p>On the other hand I do remember a V8 Range Rover engine I had rebuilt and which would not prime the oil pump and filter. I had taken one of the connections off the oil filter, probably the pressure sensor. I put about ten litres of oil in the engine so that the oil pump had to be under the surface and then started the engine. About two to four litres of oil went three metres into the air covering me, the front of the car and the surrounding drive in about five seconds. Really impressive</p></blockquote><p></p>
[QUOTE="timetraveller, post: 109317, member: 456"] Have you actually seen this Erik? I always fit a twin start oil pump to every twin engine I work on for myself. It is true that one needs a small deflector plate to stop the oil splashing under the oil filler cap and I make them from a piece of 'baked bean' can, about 50mm by 25 mm, curved to deflect the oil downwards. Even with the twin start pump the oil at low revs still comes out in low pressure blobs/spurts. What would happen at high revs I don't know but why would anyone rev the engine flat out without the screw in place? On the other hand I do remember a V8 Range Rover engine I had rebuilt and which would not prime the oil pump and filter. I had taken one of the connections off the oil filter, probably the pressure sensor. I put about ten litres of oil in the engine so that the oil pump had to be under the surface and then started the engine. About two to four litres of oil went three metres into the air covering me, the front of the car and the surrounding drive in about five seconds. Really impressive [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Oil pressure problems
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