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Old May 31, 2021 | 06:44 PM
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300 Oil problem?

I was working on my engine build and was spinning the oil pump with a drill, to check flow, at the rockers. With the pump spinning and turning the crank with a socket, I am not getting oil flowing to #2 intake rocker. #1 exhaust seams a little less than the rest, which are getting a lot of oil. What should I check, or should I even be worried, at this point? I use another rocker cover with the top cut out, so I can prevent any oil spills.


Thanks. John
 
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Old May 31, 2021 | 09:21 PM
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I remember you went with the RV cam and I'm assuming the lifters are new.
Are the pushrods new?
 
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Old May 31, 2021 | 09:57 PM
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Yes they are also new. I cleaned the pushrods well, before assembling everything.
 
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Old Jun 1, 2021 | 07:58 AM
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Try to isolate the source of the problem.
1. Remove the rocker arm and see if oil will come out the end of the pushrod. If no, swap in a different pushrod and retry. If oil, replace or clean pushrod.
2. swap in a different lifter and retry. If no oil pressure still, there is a problem elsewhere in the oiling system (I doubt it). If there is oil the original lifter is likely defective. Replace lifter.
 
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Old Jun 1, 2021 | 07:20 PM
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Thanks for the advice. Hopefully just a pushrod or lifter.
 
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