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  #16 (permalink)  
Old 02-22-2018, 12:05 PM
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Lifters and oil

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Originally Posted by EragonSuperH View Post
My main concern is I have a lifter with a weird wear patter on the current cam, and I want the longevity of a roller cam. I know its probably not worth it, but personally the peace of mind is worth it to me. Also what do you mean moving the torque peak up? wouldn't the smaller duration move the torque peak down?
It is imperative that you break the cam in with something like Brad Penn, Joe Gibbs Driven type of oils and would continue with one of these higher Zinc oils. I broke in a VW aircooled several years ago when Rotella T supposed to have high zinc. Well I did not know that within a year before they had dropped the Zinc level. Screwed up all the lifters. Check out the pics. Same Brand Mahle lifters but the one that was pitted on the right was broke in on lower level Zinc oil. The one with the swirl pattern VW's have rotators on their valves is normal. Came out of the engine that was built I think in 89? More zinc in the oil then.

But with a Roller you don't have to do this. I would still use a break in oil initially and probably go Mobil 1 or something post.

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Old 03-03-2018, 12:38 AM
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the cams are very close in duration. Don't forget that the solid cam needs 8-10 more when compared to hydraulic cams,,,
Not worth the swap if looking for more power
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  #18 (permalink)  
Old 03-03-2018, 08:11 AM
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Quote:
Originally Posted by eric32 View Post
Almost all off the shelf cams have 4 degrees advance built into them when you put them in the straight up position which is what I always put mine at. You would have to have it install it retarded 4 degrees just to have it in the traditional straight up position of where its not advance or retarded timing wise.

These things are more wrong than right so I'd be certain to degree the cam manually. It's quite possible it's off now and making your problems worse.
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  #19 (permalink)  
Old 03-03-2018, 01:42 PM
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Originally Posted by johnsongrass1 View Post
It's quite possible it's off now and making your problems worse.
Hasn't installed it yet...
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  #20 (permalink)  
Old 03-03-2018, 03:53 PM
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I read that as the one currently installed was a 3 keyway type but maybe I missed something.

I'd still check them even if already installed just a matter of recourse to spending money.
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Old 03-03-2018, 04:43 PM
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Quote:
Originally Posted by johnsongrass1 View Post
I read that as the one currently installed was a 3 keyway type but maybe I missed something.

I'd still check them even if already installed just a matter of recourse to spending money.
You are correct the one installed now is a 3 keyway type and it's installed in the 0 degree keyway
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Old 03-03-2018, 09:32 PM
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I thought he said he was replacing it because it was going bad...
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