Expert guess/analysis needed
#11
Always always always change the inner cam bearing to a full roller (full compliment) inner cam bearing when changing the cam to anything more than stock. The INA "stock" inner bearing is a caged bearing and is not designed for the added stress from a beefy cam. Usually the lifters are changed when a new cam is installed so the two surfaces can wear together. Adjustable pushrods are a good idea as well while youre doing a cam job so you can break it down easier when the need arises.
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Answers that I have....SO FAR.
No the tech did not say anything and the same tech that that did the bikes reflash for the Torque cam and charged an hour for it......and had to re do it because as near as I can tell the ECU was not reflashed in the first place........
Re the fingernail test, yes the marks can be felt and won't come off.
I'm riding to the dealer today.........
After years of being involved with BMW racing and BMW engine building, something like this would be a big time cause for alarm.
Will keep the Forum informed.
No the tech did not say anything and the same tech that that did the bikes reflash for the Torque cam and charged an hour for it......and had to re do it because as near as I can tell the ECU was not reflashed in the first place........
Re the fingernail test, yes the marks can be felt and won't come off.
I'm riding to the dealer today.........
After years of being involved with BMW racing and BMW engine building, something like this would be a big time cause for alarm.
Will keep the Forum informed.
The following users liked this post:
FLTRI17 (03-16-2018)
#16
The following users liked this post:
TomcatCV62 (03-16-2018)
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Quote by Another Old Timer:
Would love some expert thoughts. I have a few thoughts about it myself.
Stock cam removed from a 114 Softail with 1800 to 1900 miles from new. No oil usages 1000 mile service performed at 1100 miles. all three oils checked often, no oil usage, no oil transferring, no sumping, checked religiously. Bike has hit the 5,500 RPM rev limiter probably 5 to 10 times. Always dealer serviced. The tech handed me the cam because I went back to the tech's lift, we wrapped it up in the treated paper and box the new Torque cam came in. The bike has always run like a watch, now has about 2,500 miles on it.
Notice the marks on both the Lobe surfaces and Bearing end. Just noticed this when pulled the original cam out of the box the tech put it in and I was inspecting it at home.
What do you think?
Hitting the rev limiter, dealer service intervals, and potential oil sumping and tranny oil transfer have nothing to do with your stock camshaft wear.
The cheap stock lifters and INA bearing were trashing your stock cam. The wear marks on the cam journal and lobes are proof. You only have 1,800 miles on the engine. Just think how worn the cam will look after 10k miles.
If you don’t immediately replace the stock bearing and lifters, you will trash your new bolt-in cam in 10,000 miles or less, and maybe your oil pump, too.
I’m surprised the dealership installed the new cam with the old components without raising a red flag. Running the engine may have already impregnated the new cam lobes with metal from the junk stock lifters.
To save your new bolt-in cam, you need to stop riding the bike immediately and get the junk parts replaced.
And the poster who said to change oil at 100, 500 and 1500 miles on any new build is spot-on: first oil change at 50-100 miles, second at 500, and third at 1500 miles. And change the oil filter each time to remove as much metal particles from the engine as possible. Do the first two oil changes (or all 3) at home on your own dime.
Good luck!
Would love some expert thoughts. I have a few thoughts about it myself.
Stock cam removed from a 114 Softail with 1800 to 1900 miles from new. No oil usages 1000 mile service performed at 1100 miles. all three oils checked often, no oil usage, no oil transferring, no sumping, checked religiously. Bike has hit the 5,500 RPM rev limiter probably 5 to 10 times. Always dealer serviced. The tech handed me the cam because I went back to the tech's lift, we wrapped it up in the treated paper and box the new Torque cam came in. The bike has always run like a watch, now has about 2,500 miles on it.
Notice the marks on both the Lobe surfaces and Bearing end. Just noticed this when pulled the original cam out of the box the tech put it in and I was inspecting it at home.
What do you think?
Hitting the rev limiter, dealer service intervals, and potential oil sumping and tranny oil transfer have nothing to do with your stock camshaft wear.
The cheap stock lifters and INA bearing were trashing your stock cam. The wear marks on the cam journal and lobes are proof. You only have 1,800 miles on the engine. Just think how worn the cam will look after 10k miles.
If you don’t immediately replace the stock bearing and lifters, you will trash your new bolt-in cam in 10,000 miles or less, and maybe your oil pump, too.
I’m surprised the dealership installed the new cam with the old components without raising a red flag. Running the engine may have already impregnated the new cam lobes with metal from the junk stock lifters.
To save your new bolt-in cam, you need to stop riding the bike immediately and get the junk parts replaced.
And the poster who said to change oil at 100, 500 and 1500 miles on any new build is spot-on: first oil change at 50-100 miles, second at 500, and third at 1500 miles. And change the oil filter each time to remove as much metal particles from the engine as possible. Do the first two oil changes (or all 3) at home on your own dime.
Good luck!