how do you check valve lifters on a cadillac northstar engine?

  • Thread starter Thread starter max r
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max r

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as i was reassembling my northstar, i noticed that on some of the valve lifters, the internal spring was easy to push by hand on most of them while on a few it was impossible. 7 of them were not moving, so i just assumed that these were problematic.
i purchased 7 new ones, but these seem impossible to push in also. Is it because i was incorrect and 25 of them were bad, 7 good? or is it because they haven't gotten pressurized and pushed out yet? basically, what im really looking for is what a good one should be like.. i don't want to go purchase another 18 of these at 16 dollars a piece :\
 
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