So when I got my engine rebuilt, the engine builder recommended VR1 10w-50 Racing Oil because of the zinc content. I have since changed the cam from a flat tappet to a roller cam with a roller lifter kit.
So should I change to standard motor oil now? I've got about 5000 miles on the engine since the rebuild. What should I be using? For what it's worth, I've been using the Baldwin filters.
Time to switch oil?
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Eck
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Time to switch oil?
69 Wagon, 351W, Explorer EFI & Serpentine, ZF5, 35" tires, 3.5 SL, 2 BL, WARN 8274
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Jesus_man
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Re: Time to switch oil?
I'd stick with an oil with a high zinc content. It can't hurt. My machine shop recommended Rotella T after I have used up all my racing oil.
The alternative is to use an additive. BG MOA for instance.
The alternative is to use an additive. BG MOA for instance.
1973 Bronco, 351 SEFI, Locked, discs, 35's ZF-5spd and Atlas 4spd. 235:1 Crawl Ratio. It may be ugly, but it's slow.
http://www.ucora.org
http://www.ucora.org
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ZOSO
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Re: Time to switch oil?
Rotella changed their formula and cut back on the zinc a lot. I used to run just regular Valvoline. Now I run Amsoil ZRod oil. Flat tappet or not high zinc is good to have.
Rob
74 Ranger EFI351w, 4r70w, ARB 5.13 9in, ARB 5.13D44, and a bunch of other goodies. Best of all the family memories.
04 Mustang Cobra, KenneBell 2.2 feeding a lot of boost on E85. Tire shredding machine
New project: 77 Bronco Ranger, body work and more body work.
Very little left of a 72 durango tan explorer sport
74 Ranger EFI351w, 4r70w, ARB 5.13 9in, ARB 5.13D44, and a bunch of other goodies. Best of all the family memories.
04 Mustang Cobra, KenneBell 2.2 feeding a lot of boost on E85. Tire shredding machine
New project: 77 Bronco Ranger, body work and more body work.
Very little left of a 72 durango tan explorer sport
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Digger
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Re: Time to switch oil?
Right or wrong I'm running plain ole Valvoline 5W-30 with a 1994 block and roller cam.
Cummins R2.8 diesel, ZF5, AtlasII, HP44/BB9, ARBs, coiled / linked suspension, 37" KO2s, full cage, bumpers, etc.
Build Thread: http://www.coloradoclassicbroncos.com/viewtopic.php?f=3&t=5420
Average 23.5 mpg, Best tank: 26.3 mpg
Build Thread: http://www.coloradoclassicbroncos.com/viewtopic.php?f=3&t=5420
Average 23.5 mpg, Best tank: 26.3 mpg
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347bronco
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Re: Time to switch oil?
I run 10w -40 Lucas Hot Rod and classic oil. High zinc content only reason not to use high zinc oil is if you have a catalictic convertor. Shell has changed formula on Rotella less zinc .
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Viperwolf1
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Re: Time to switch oil?
Same here.Digger wrote:Right or wrong I'm running plain ole Valvoline 5W-30 with a 1994 block and roller cam.
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Jesus_man
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Re: Time to switch oil?
Viperwolf1 wrote:Same here.Digger wrote:Right or wrong I'm running plain ole Valvoline 5W-30 with a 1994 block and roller cam.
I assume "Plain ole" means conventional? Not Full Syn. or Max Life? It's oil change time again for me.
1973 Bronco, 351 SEFI, Locked, discs, 35's ZF-5spd and Atlas 4spd. 235:1 Crawl Ratio. It may be ugly, but it's slow.
http://www.ucora.org
http://www.ucora.org