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Today I had a look at the lifters I have here out of a 99/2000 3.4.
Marked up INA 577.16. When I google the 577.9 mentioned in a previous post, I find nothing, but the 577.16 does come up.
I watched those you tube videos, very interesting to the point today I dismantled a few, and they would all seem serviceable.
One word of warning I would heed if rebuiling lifters, in one video the guy uses a magnet to keep holdof all the small parts....DONT DO THIS....the spring and ball for the check valve are SO small that if they become magnetized, I would imagine would effect their operation.
The other video, the guy says not to open up the relief valve element, but to me this step is very necessary to successfully renovate a stuck lifter, as you need to clean this out if it's gunged up with old oil.
I also purchased a BGA lifter today so I will have a good compare tomorrow against the INA.
Also got my shop to speak to Febi Bilstein about the ones they list, hoping they would be INA, but the technical line said that they had them made for themselves....?
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