Re: Allan in Ne

Posted by Allan in NE on October 08, 2004 at 06:40:07 from (148.78.243.25):

In Reply to: Re: Allan in Ne posted by txblu on October 08, 2004 at 06:02:31:

Hi Mark,

During the rebuild, the lifter doesn't even have to have any oil in it at all; this will work on a set of brand new lifters as well ('course, I can't imagine re-using a used lifter).

First, make absolutely sure that the cam is rotated away from it's throw so that the lifter is "away" from any lift at all.

Then, if you will notice, the lifter has a somewhat "weak" little spring inside it's bore which holds that check valve in place. This little weak spring will push up against the push rod with a somewhat 'weak' pressure.

So, what you do, is to go around all 16 rockers and bring them down to "JUST 0 LASH AGAINST THAT LITTLE SPRING" while rotating the engine as necessary to get that camshaft in the right position for each lifter. (Actually, you can adjust 3 or 4 rockers at a pop before you have to rotate the engine.)

Then, once you are totally convinced and absolutely sure that all are at set at 0 lash (against that little spring), very carefully (and without loosing count) go around all 16 rockers and bring them all down 'exactly' one more turn.

At that point, you can put the gaskets on the covers and install; paint the dude and forget it, 'cause those valves are set. Promise.

Ignition timing can be done in somewhat the same manner, but this is another whole chapter.

Allan

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