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Current version by: Cliff ,

Text:

Faulty rockers can cause a cam to bite the dust. That happened to my ISX, and it NEVER showed on oil samples. Fortunately, found it out on annual overhead before it caused a major problem. Still was a bite in the wallet to replace a cam and all the rockers.
 
Your mechanic is not correct. The synthetic did not cause your problem. Sounds like the mechanics at my local Cummins shop who dumped in a heavy load of SCA's in my coolant because it showed no SCA when tested. That would be cool, but I was running ELC coolant that does not have SCA. What a bunch of dumb assesidiots. I forced management to change out the entire coolant, and filter with fresh ELC. The mechanic's comment... "it won't hurt anything". They were still in the 1980's regarding coolant. Your mechanic is still in the 80's regarding synthetics. Just because they have years of experience turning a wrench does not mean they are up to speed on oils.
Your mechanic is not correct. The synthetic did not cause your problem. Sounds like the mechanics at my local Cummins shop who dumped in a heavy load of SCA's in my coolant because it showed no SCA when tested. That would be cool, but I was running ELC coolant that does not have SCA. What a bunch of dumb assesidiots. I forced management to change out the entire coolant, and filter with fresh ELC. The mechanic's comment... "it won't hurt anything". They were still in the 1980's regarding coolant. Your mechanic is still in the 80's regarding synthetics. Just because they have years of experience turning a wrench does not mean they are up to speed on oils.

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open

Edit by: Cliff ,

Text:

Faulty rockers can cause a cam to bite the dust. That happened to my ISX, and it NEVER showed on oil samples. Fortunately, found it out on annual overhead before it caused a major problem. Still was a bite in the wallet to replace a cam and all the rockers.
 
Your mechanic is not correct. The synthetic did not cause your problem. Sounds like the mechanics at my local Cummins shop who dumped in a heavy load of SCA's in my coolant because it showed no SCA when tested. That would be cool, but I was running ELC coolant that does not have SCA. What a bunch of dumb asses. I forced management to change out the entire coolant, and filter with fresh ELC. The mechanic's comment... "it won't hurt anything". They were still in the 1980's regarding coolant. Your mechanic is still in the 80's regarding synthetics. Just because they have years of experience turning a wrench does not mean they are up to speed on oils.

Status:

open

Original post by: Cliff ,

Text:

Faulty rockers can cause a cam to bite the dust.  That happened to my ISX, and it NEVER showed on oil samples.  Fortunately, found it out on annual overhead before it caused a major problem.  Still was a bite in the wallet to replace a cam and all the rockers.

Status:

open