Lifter issue
#11
Alright so I grabbed a set of used cams from a buddy with 4-5k on them (mine had 20k). I didn't notice what I hope is surface rust on one lobe:
I rolled my pushrods on a piece of glass and found that the front two (which I thought might be suspect) are good, but the rear two I can slide a .003" feel gauge under the middle of. Anybody have any specs on pushrod tolerances?
I still can't find anything wrong with my lifters other than laterallate rain the roller, but I'm not putting them back in.
Last question (for now) is about my bores. I didn't measure them yet, but I see some striations on the front AND rear:
You can't feel them with a finger, but I'll update with measurements tonight.
I rolled my pushrods on a piece of glass and found that the front two (which I thought might be suspect) are good, but the rear two I can slide a .003" feel gauge under the middle of. Anybody have any specs on pushrod tolerances?
I still can't find anything wrong with my lifters other than laterallate rain the roller, but I'm not putting them back in.
Last question (for now) is about my bores. I didn't measure them yet, but I see some striations on the front AND rear:
You can't feel them with a finger, but I'll update with measurements tonight.
#12
#13
I worked for a dealer for many many years , it was not unusual to open up a cam chest to find this kind of wear/ damage . When you found one in this condition , It was like ….. wtf !! wrong material used ? , no heat treat ? whatever the case they made a lot of them like this.
Ed knows …… side note , I was a student of Ed's , In 2004 I think
Ed knows …… side note , I was a student of Ed's , In 2004 I think
#14
I worked for a dealer for many many years , it was not unusual to open up a cam chest to find this kind of wear/ damage . When you found one in this condition , It was like ….. wtf !! wrong material used ? , no heat treat ? whatever the case they made a lot of them like this.
Ed knows …… side note , I was a student of Ed's , In 2004 I think
Ed knows …… side note , I was a student of Ed's , In 2004 I think
#15
#16
I've got an 01 Tsport and I pulled my cam plate to upgrade to hydraulic tensioners and found this:
The lifter riding on that cam was a little reluctant to come out, but I didn't really have to force it out. I'll be checking the cam bore tonight.
The rest of the lobes were not great:
I'll check my pushrods tonight and make sure they're still straight.
I found some stock cams and lifters for a good price and I'll throw those in.
Any advice on testing lifters? The ones I pulled look fine, but clearly something went wrong.
Anybody have anything else I need to check before I button this all up?
The lifter riding on that cam was a little reluctant to come out, but I didn't really have to force it out. I'll be checking the cam bore tonight.
The rest of the lobes were not great:
I'll check my pushrods tonight and make sure they're still straight.
I found some stock cams and lifters for a good price and I'll throw those in.
Any advice on testing lifters? The ones I pulled look fine, but clearly something went wrong.
Anybody have anything else I need to check before I button this all up?
#17
I've known Wally (Fairview) 36 years , yup ….. we go way back , he was the service manager when he was a dealership employee , I worked there , it was small and o so simple back then and yup , we sold and serviced shovelheads . . The course I mentioned above was a race tuner course , the old TTS version .
I worked with it so much that by the end, Screamin’ Eagle sent their engineers to the class.
Wally is awesome! He has a great story about finding an old guy who collected motorcycles!
Last edited by Ed Ramberger; 02-06-2020 at 08:56 PM.
#19
I worked for a dealer for many many years , it was not unusual to open up a cam chest to find this kind of wear/ damage . When you found one in this condition , It was like ….. wtf !! wrong material used ? , no heat treat ? whatever the case they made a lot of them like this.
#20