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Rod bearings after 9 years

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Old 03-31-2016, 10:01 AM
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Originally Posted by Wildman_grafix
How many hours in 9 years?
I have no idea. I stopped logging hours. I'm out every weekend in the summer and many weekdays as many here will attest. So let's do some math. ~35days/year x 2.5hrs/day x 9yrs = ~787.5hrs holy s#it that's a lot.
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Old 03-31-2016, 10:06 AM
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Originally Posted by MILD THUNDER
Youre doing it wrong. Need to tighten those clearances up, and go with 5w20.
Originally Posted by SB
Yup, and run the engine cooling water at 200-210*F.
Originally Posted by MILD THUNDER
For sure. Gotta get some heat in them, make more power too.
The oil temp is between 140°F-170°F delivered to the bearings after the cooler depending on how hard I am running it. Block water temp is 135°F-160°F.
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Old 03-31-2016, 10:09 AM
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I'm looking to switch to 0w5 Wolf head.

And I do run Mobil 1 302 oil filters or Purolator Pure Ones.
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Old 03-31-2016, 10:31 AM
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Awesome results. I wouldn't change a thing other than changing the oil at the end of the season.
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Old 03-31-2016, 11:03 AM
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Looks good. What happened to your valvetrain?
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Old 03-31-2016, 12:11 PM
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Originally Posted by hogie roll
Looks good. What happened to your valvetrain?
I don't know exactly. I keep gaining lash on my cams. Rocker got loose, walked and bent a valve. (My neglect I heard it naking noise that day) I switched out 252/264 solid cams to ~235/241 hydraulic roller cams that I do run solids on. This particular engine just seems to beat the snout out of my valve train. Adjusting lash 3-4x a summer. My old solids I would check every summer and adjust a thou hear and there. I'm working with my head guy and I think I'm just going to throw in my old solid springs lightened up a little.
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Old 03-31-2016, 12:25 PM
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Originally Posted by Rookie
I don't know exactly. I keep gaining lash on my cams. Rocker got loose, walked and bent a valve. (My neglect I heard it naking noise that day) I switched out 252/264 solid cams to ~235/241 hydraulic roller cams that I do run solids on. This particular engine just seems to beat the snout out of my valve train. Adjusting lash 3-4x a summer. My old solids I would check every summer and adjust a thou hear and there. I'm working with my head guy and I think I'm just going to throw in my old solid springs lightened up a little.
A buddy of mine was running solids on a hyd years back. Out of the blue one day, his polylock broke on the exhaust valve, rocker came off, blew the headgasket into the lifter valley.

In a recent conversation with a cam grinder, he had advised against running that setup. He mentioned how alot of people assume that a hyd has easier lobes than a solid, when in fact it can be the opposite. His advice was if you wanna run a solid lifter in an endurance engine, run a solid roller endurance lobe profile. I was contemplating going to solid roller lifters to avoid the pitfalls of alot of the hyd lifter issues, but after talking with him, decided to stick with what i have.

Did you notice any abnormal wear on the lobes, or valveseats Jason?
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Old 03-31-2016, 01:31 PM
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I only spin them to 5600-5800 now, so maybe I'll just throw in a std set of Morels in and see what happens.
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Old 03-31-2016, 01:46 PM
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Never liked the stupid solid roller lifter on hyd roller cam deal anyway. Too little lash, which you need to do to make it relatively happy.

Nothing but a buzzword (from cam grinders/pickers) to look different.

But, I'm the azzhole for going against it a bunch, some years back. LOL.

Be gone with it and get proper lifters for the cam.
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Old 03-31-2016, 05:10 PM
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Originally Posted by Rookie
I don't know exactly. I keep gaining lash on my cams. Rocker got loose, walked and bent a valve. (My neglect I heard it naking noise that day) I switched out 252/264 solid cams to ~235/241 hydraulic roller cams that I do run solids on. This particular engine just seems to beat the snout out of my valve train. Adjusting lash 3-4x a summer. My old solids I would check every summer and adjust a thou hear and there. I'm working with my head guy and I think I'm just going to throw in my old solid springs lightened up a little.
what are your on the seat&open pressures?
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