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-   -   Cam and valvetrain longevity....??? low duration high lift... (https://www.offshoreonly.com/forums/general-q/341258-cam-valvetrain-longevity-low-duration-high-lift.html)

MILD THUNDER 10-06-2016 04:02 PM


Originally Posted by ARB38 (Post 4489110)
Actually the reassurance came from Cam Motion for me.

Pretty sure tim called them direct a while back, and they assured him all is well. Now, after seeing his lobes , they are saying send the cams in, to get checked to make sure their is 0 taper on the lobes.

At this point, i think some of the cams that came from that party, need to go out for an independent analysis.

bck 10-06-2016 04:04 PM

I've got an extra set I'll send anywhere if someone is paying.

MILD THUNDER 10-06-2016 04:05 PM

I cant help but notice when visiting cam motions site, the lack of things pertaining to big block stuff, besides 8.1 truck cams, let alone bbc endurance stuff. Looks like they specialize in LS engine stuff.

Does anyone know if they spintron test their lobes with bbc components?

MILD THUNDER 10-06-2016 04:06 PM


Originally Posted by bck (Post 4489115)
I've got an extra set I'll send anywhere if someone is paying.

That were damaged ?

bck 10-06-2016 04:11 PM

Not to my knowledge. But they have a profile similar to those being complained about. Not as much lift or duration but a similar ratio between them. Edit- I'll pay for shipping to a testing facility for any non destructive testing if you think its worth your $

getrdunn 10-06-2016 04:21 PM

Has Tim pulled the pan and inspected bearings. Also how do the roller tips look? Can't remember if he posted a pic of those or not.

getrdunn 10-06-2016 04:25 PM

I'm assuming he's going to tear down completely but just perhaps not right away.

MILD THUNDER 10-06-2016 04:26 PM

Hard to tell in the pics, but im sure thst metal all had to go somewhere

vintage chromoly 10-06-2016 04:28 PM

Have the filters been disected yet?

Full Force 10-06-2016 04:47 PM

I was informed today that the older bob stuff was not spec'd by him.... Just sold through him.... And when bin did it himself the issues started...


Originally Posted by ARB38 (Post 4489096)
I bought the cams and installed them long before this all started.



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