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Post by perri2300 on May 24, 2022 6:41:00 GMT -5
On my way home from work, which is only a few miles, I noticed an odd tone coming from my exhaust that it has never made before and a Slight lack of power. When I got home, I was hearing a loud clacking that was in sync with the odd exhaust tone coming from the valve cover that increased with RPM.I pulled the valve cover, but I did not see anything visibly concerning. I did not get into the throttle, it did not over heat, and AFRs where good. Is it possible I have a bad lifter, or something else in the valve train? I do still have the slider cam followers.
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Post by Stinger on May 24, 2022 11:48:45 GMT -5
You can have a bad lifter, and you can have a follower come off the lifter or valve and lodge itself sideways where it will drag on the cam (clack) and also prevent the valve from opening (odd tone, low power).
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Bad lifter
May 24, 2022 14:38:21 GMT -5
via mobile
Post by perri2300 on May 24, 2022 14:38:21 GMT -5
Interesting, I will have another look in there and test the lifters now that I am home from work.
Thanks.
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Bad lifter
May 24, 2022 16:31:29 GMT -5
via mobile
Post by perri2300 on May 24, 2022 16:31:29 GMT -5
You pretty much got it spot on. The peak of the cam lobe has a flat spot on it now. Got any suggestions for a cam that does not require any machine work to the head?
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Post by Stinger on May 24, 2022 19:30:32 GMT -5
Boport stg 1.1 or 1.5.
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