Quote:
Originally Posted by HO455
I'm a bit confused on the time line of events. You rebuilt the motor with Chinese lifters and then you couldn't get them to pump up and so you replaced them.
Was that before you fired the engine for the first time and broke the cam in?
When you said they wouldn't pump up what exactly do you mean?
What is the part number of the new lifters?
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So the first lifters I ran 100 miles. It was only 2 or 3 that would not pump up. So I replaced all 16 with Melling JB817 which are usually the ones I use but they were not available locally and I did not want to wait.
When I say they would not pump up , I mean you remove valve cover while motor is warm and you are able to lift the rocker arm on the valve with the bad lifter and collapse the plunger. New ones all pop up except what I notice now in the morning after the motor ran last making the noise, the lifters (Not sure how many) are loose and tap for 20 seconds or so. So I think the lifters are not getting enough oil. I really believe this .