Tom Heath
Tom Heath Webmaster
9/29/10 10:12 a.m.

There's a new project update for you this morning. GRM advertising sales ninja Steve C. is making some more progress with his sick Camaro.

If you're into post-failure analysis of engine parts, you'll definitely want to check it out.

http://grassrootsmotorsports.com/project-cars/1968-chevrolet-camaro/fishing-fragments/

oldtin
oldtin HalfDork
9/29/10 10:29 a.m.

looks like a bunch of needles/needle bearing shell came apart

Steve Chryssos
Steve Chryssos Associate Publisher
9/29/10 2:07 p.m.

Yup wheel bearing shell came apart.. I'm fairly certain that the tie bar snapped at 6800 rpm. That's the part that keeps each I/E roller lifter pair from rotating in its bore. Once a lifter rotates, it ceases to roll. 20% of the roller wheel had worn away. Then the wheel failed. A lot.

jstein77
jstein77 Dork
9/29/10 3:00 p.m.

That tie bar looks like a real weak point in the design of the roller lifter.

novaderrik
novaderrik Reader
9/29/10 3:38 p.m.
jstein77 wrote: That tie bar looks like a real weak point in the design of the roller lifter.

there are thousands of engines out there with aftermarket roller lifters with tie bars that run for a long time without any problems. but like anything else mechanical, failures do happen.

Steve Chryssos
Steve Chryssos Associate Publisher
10/1/10 5:25 a.m.

Agreed. No complaints here. That lifter survived seven years of 6800 rpm without so much as a whimper.

Poor little lifter.

iceracer
iceracer Dork
10/1/10 11:06 a.m.

didn't know they used wheel bearings in engines.

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