oil pressure ????
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6th Gear
Joined: Jul 2007
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oil pressure ????
hi all,
i have a rev tech 100ci with 50 miles on it. its a bike that i have built. i put a $25 oil pressure guage on it before i ever started it. when i start itcold it shows like 40lbs of pressure or more. the hotter it gets the lower the oil pressure readingis. at operating temp and at an idle it shows i have 0 oil pressure and will only show 10 to 20lbs running down the road. i had a local bike shop tell me not to rely on these guages. he said if its not clunking and banging not to worry. this is the first like harley i have ever owned and i am stressing over ruining this engine. is there any way to get a true reading on the oil pressure with theseengines or do i just listen for the clunking and clanging?? i believe i am running bel ray 20-50 oil in it. heres a couple pics of it
i have a rev tech 100ci with 50 miles on it. its a bike that i have built. i put a $25 oil pressure guage on it before i ever started it. when i start itcold it shows like 40lbs of pressure or more. the hotter it gets the lower the oil pressure readingis. at operating temp and at an idle it shows i have 0 oil pressure and will only show 10 to 20lbs running down the road. i had a local bike shop tell me not to rely on these guages. he said if its not clunking and banging not to worry. this is the first like harley i have ever owned and i am stressing over ruining this engine. is there any way to get a true reading on the oil pressure with theseengines or do i just listen for the clunking and clanging?? i believe i am running bel ray 20-50 oil in it. heres a couple pics of it
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Joined: Mar 2007
Posts: 3,706
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From: Woodstock, Ont , Can
RE: oil pressure ????
On all engines as the oil heats up the pressure will drop somewhat. If the wear is high in certain areas the pressure with hot oil will drop below the minimum spec in the manual. That's rebuild time. You need to know what figures are correct for this engine to make a determination. There is nothing wrong with the gauge, especially if it's a mechanical type. It could be off a few lbs in reading but the dramtic drop with temp is telling you something. The best way to know how good the innards are in any engine is to check the idle pressure when oil is at operating temp with the correct grade of oil.
Ron
Ron
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