2013 Knee-deep BS thread!
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Post Fiend
Joined: Nov 2008
Posts: 23,849
Likes: 20
From: McKenzie River
I need to change oil in 3 rigs today............oooh-rah!
BTW.........Don, how long do you need to use the zinc additive with a new cam, just break-in, or for life since they quit putting zinc in oil? (Thanks EPA)
BBQed trout for dinner tonight.
BTW.........Don, how long do you need to use the zinc additive with a new cam, just break-in, or for life since they quit putting zinc in oil? (Thanks EPA)
BBQed trout for dinner tonight.
Post Fiend
Joined: Jan 2005
Posts: 26,337
Likes: 12
From: Paradise Found!
Zinc was an anti-friction modifier that was in older oils. The EPA mandated it's removal. It's not a problem for engines with roller cams/rockers, but causes premature wear on older style lifters causing premature cam/lifter wear. Some oils are still made with the Zinc in them, mainly oils for diesels, additive zinc is available separately and is the thing to use in our older engines.
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Post Fiend
Joined: Nov 2008
Posts: 23,849
Likes: 20
From: McKenzie River
I can't find oil that has zinc in it anymore..........Remember, we had a member who no longer posts here, have a brand new engine trashed because the cam came apart from no zinc in the new oils.
I have been buying the additive at Knecht's since I built the new 2.8 in the Ranger, and adding it to the oil.........thought after break-in you could stop?
I have been buying the additive at Knecht's since I built the new 2.8 in the Ranger, and adding it to the oil.........thought after break-in you could stop?
Post Fiend
Joined: Jan 2005
Posts: 26,337
Likes: 12
From: Paradise Found!
I'm still using Rotella which I thought still had the zinc additive. Maybe I should go look.......
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Post Fiend
Joined: Jan 2005
Posts: 26,337
Likes: 12
From: Paradise Found!
Post Fiend
Joined: Jan 2005
Posts: 26,337
Likes: 12
From: Paradise Found!
I can't find oil that has zinc in it anymore..........Remember, we had a member who no longer posts here, have a brand new engine trashed because the cam came apart from no zinc in the new oils.
I have been buying the additive at Knecht's since I built the new 2.8 in the Ranger, and adding it to the oil.........thought after break-in you could stop?
I have been buying the additive at Knecht's since I built the new 2.8 in the Ranger, and adding it to the oil.........thought after break-in you could stop?
Engine Oils
Yes.........
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Post Fiend
Joined: Nov 2008
Posts: 23,849
Likes: 20
From: McKenzie River
Older engines?..........
Sooooo........Everything I own?
460 in the F-250
4.0 OHV Explorer
3.8 in the T-Bird
2.3 in the 93 Ranger
I never heard the industry warn us of this.
Oh, I get it, they want us to rush out and buy the latest plastic, wonder car when they destroy our older rigs by omission of info!!!!
Sooooo........Everything I own?
460 in the F-250
4.0 OHV Explorer
3.8 in the T-Bird
2.3 in the 93 Ranger
I never heard the industry warn us of this.
Oh, I get it, they want us to rush out and buy the latest plastic, wonder car when they destroy our older rigs by omission of info!!!!
Thread Starter
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Post Fiend
Joined: Nov 2008
Posts: 23,849
Likes: 20
From: McKenzie River
The 2.8 is most definitely going to stay on the additive, since it is a solid lifter, flat tappet-cam engine, (might as well play it safe)............Catalytic converter was "lost" on some trail about 25 years ago.