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Thanks a lot for the good advises, MoparforLife.

Most what I'm concerned about is, as you noted, what happens if a bearing fails and loses a pieces straight into the engine. That's what I'm most afraid of. Did it happen? Is there something known?

The rattling noise I guess is coming from worn out rockers or shaft. Think I have to check this first. But they are now 30 years old. And why should I purchase a new OEM set if a Roller Rocker Set does cost similar?
Hm, I will ask a buddy if he does have a set for lend.
Cam is new, slightly hotter than stock 340, custom grinded to my car specs. Lifter & pushrods are new.

I not defenitly in need of roller rocker - I'm looking for "better than stock" because I have to change so I thought why not roller rocker.

Thanks again so far.



if you think the noise is from worn rockers/shafts, PM me, I have a set of OEM rockers from a low mileage 318 that are in excellent shape that I'll make you a deal on.

another thing to check would be to make sure your pushrods are long enough. lots of noise, about the only thing I can think of that could cause it would be insufficient preload.

1976 Spinnaker White Plymouth Duster, /6 A833OD
1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!***
2011 Toxic Orange Dodge Charger R/T
2017 Grand Cherokee Overland
2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)