11-03-2004, 05:48 AM
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CC Member
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Join Date: Dec 2000
Location: Broken Arrow. OK ( South Tulsa), USA,
OK
Cobra Make, Engine: 66 COBRA FE 427 /4SP. (HCS Coupe w/ 408 Stroker and TKO 600 -sold)
Posts: 5,595
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Not Ranked
Have you ever broken a cam?
After unloading my car from running at Texas Motor Speedway and after pulling it into the garage my engine just went quiet. I was warming it up to run a leak down test to see what I needed to do this winter. I heard loose metal.
I knew something was wrong when I pulled off my valve covers and noticed that #1 and #5 Exhaust push rods had fallen down about 1" from my adjustable rockers. Further examination (pulled the intake) I found both #1 and #5 Exhaust solid lifters were broken at the recessed part of the lifter (about 3/4" from the top). I fished these parts out with my magnet. I only find the top portion (still haven't got to the rest of the lifters). While fishing with my magnet I could feel and hear what I think is a broken cam.
I intended to refresh the engine over the winter but didn't expect any problems with the top end. I took a few pictures last night and will post some more when I pull the engine next week (gotta wait until I get back in town to finish investigating).
Anyone know what could cause a broken cam and lifters?
Clois
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