AMSoil and filters..

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AMSoil and filters..

Postby marco_1978_spyder » Thu Jun 30, 2016 10:15 pm

I've never been big on synthetic oils for older low performance engines, but amsoil has caught my eye as well as royal purple.. Anyone here use Amsoil? Any recommendations, or warnings? I think I want it in the spyder, but not sold on it just yet.
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Re: AMSoil and filters..

Postby dindin » Wed Jul 06, 2016 10:17 am

I have seen plenty of cars with well over 200,00 miles using regular old oil...I think its a lot of marketing based on fear.

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Re: AMSoil and filters..

Postby EVL VEGA » Wed Jul 06, 2016 10:55 am

I've heard of people switching to synthetic late in the cars life and then developing lots of leaks.
That might just be old wives tale internet mumbo jumbo.
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Re: AMSoil and filters..

Postby cjbiagi » Wed Jul 06, 2016 3:29 pm

I would be more concerned about the low levels of zinc (ZZDP) in modern oils, especially for cars with flat tappet cams. The zinc is what prevented the cam from wearing on the lifters. There are specialty oils with higher levels of zinc or additives that can be used. I usually throw in a half a bottle of GM EOS which is used for breaking in new engines and flat tappet cams. While GM does not recommend it for a general additive I believe is based more upon the EPA regulations than anything else. They have to make that statement. It is basically a additive rich in zinc which apparently is not good for emissions which is one reason its' level was greatly removed from current oils. Also, the fact that all new engines have roller cams makes it not necessary like it was for old engines. There is a ton of info on this subject, here's enough to get you started. There are also a lot of different additives that contain ZZDP or specialty oils that already have higher levels.

http://www.hotrodhotline.com/pr/2009/09zzdpapril/
http://www.drivenracingoil.com/news/dro ... motor-oil/
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Re: AMSoil and filters..

Postby EVL VEGA » Wed Jul 06, 2016 3:47 pm

cjbiagi wrote:I would be more concerned about the low levels of zinc (ZZDP) in modern oils, especially for cars with flat tappet cams. The zinc is what prevented the cam from wearing on the lifters. There are specialty oils with higher levels of zinc or additives that can be used. I usually throw in a half a bottle of GM EOS which is used for breaking in new engines and flat tappet cams. While GM does not recommend it for a general additive I believe is based more upon the EPA regulations than anything else. They have to make that statement. It is basically a additive rich in zinc which apparently is not good for emissions which is one reason its' level was greatly removed from current oils. Also, the fact that all new engines have roller cams makes it not necessary like it was for old engines. There is a ton of info on this subject, here's enough to get you started. There are also a lot of different additives that contain ZZDP or specialty oils that already have higher levels.

http://www.hotrodhotline.com/pr/2009/09zzdpapril/
http://www.drivenracingoil.com/news/dro ... motor-oil/


I read a hot rod or car craft article years ago about ZDDP in oil and the levels dropping. For solid lifter cams they recommended running Rotella T diesel oil as it (at the time) contained high levels of ZDDP.
My Vega has a pretty aggressive for street driven pump gas car Lunati solid Cam (306in/316ex adv, 259in/267ex at .500, .554in/.566ex lift) so i only run diesel oil in the car.
EVL VEGA
'73 Vega Hatchback (former Super Gas car)
406 SBC, AFR 210 Eliminator Heads, 9:1 comp, pump gas, 328RWHP/412RWTQ (old heads, no N2O 1/17/04), 6.86 @ 100.8 in 1/8th (No N20 9/4/16), Mike's Trans TH400 (reverse manual), 5000 stall, 12 bolt, 35 spline strange axles, 4.33 gears, spool, hipster transbrake, linelock, backhalved, Alston 3 link, 100 shot NX Hitman+ kit, LC1 Wideband sensor, 31x18.5 MT Sportsman Pros, "Plum Ugly"™ Purple paint.
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Re: AMSoil and filters..

Postby dindin » Wed Jul 06, 2016 3:57 pm

This what Mobil Oil has to say.

https://mobiloil.com/en/faq/ask-our-aut ... motor-oils

https://mobiloil.com/en/faq/ask-our-aut ... assic-cars

http://www.enginebuildermag.com/2010/05 ... continues/

“Keep in mind, TOO MUCH zinc causes additive blocking – in other words, too much zinc will get in the way of the other additives from doing their respective jobs. The market has gone overboard with the zinc fixation. Don’t OD on zinc.”

Al
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Re: AMSoil and filters..

Postby HI WINDING MONZA » Wed Jul 06, 2016 4:23 pm

EVL VEGA wrote:
cjbiagi wrote:I would be more concerned about the low levels of zinc (ZZDP) in modern oils, especially for cars with flat tappet cams. The zinc is what prevented the cam from wearing on the lifters. There are specialty oils with higher levels of zinc or additives that can be used. I usually throw in a half a bottle of GM EOS which is used for breaking in new engines and flat tappet cams. While GM does not recommend it for a general additive I believe is based more upon the EPA regulations than anything else. They have to make that statement. It is basically a additive rich in zinc which apparently is not good for emissions which is one reason its' level was greatly removed from current oils. Also, the fact that all new engines have roller cams makes it not necessary like it was for old engines. There is a ton of info on this subject, here's enough to get you started. There are also a lot of different additives that contain ZZDP or specialty oils that already have higher levels.

http://www.hotrodhotline.com/pr/2009/09zzdpapril/
http://www.drivenracingoil.com/news/dro ... motor-oil/


I read a hot rod or car craft article years ago about ZDDP in oil and the levels dropping. For solid lifter cams they recommended running Rotella T diesel oil as it (at the time) contained high levels of ZDDP.
My Vega has a pretty aggressive for street driven pump gas car Lunati solid Cam (306in/316ex adv, 259in/267ex at .500, .554in/.566ex lift) so i only run diesel oil in the car.



Ran Rotella in my Cadillac powered Drag Monza also. Survived 115* outside racing temp heat in Az....... :th: STP oil treatment also has Zinc in it now. As for Syns, I allways use a blended oil in all my stuff.( Valvoline Maxlife or Castrol blended) Never liked pure Syns since they burn off some on startup which means adding some later on = more $$$$.

Just my 2 cents ( no change required) :D

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Re: AMSoil and filters..

Postby Battoo » Wed Jul 06, 2016 8:41 pm

I am an Amsoil dealer I believe in the oil got started on it racing alcohol fueled engines now run it in everything I have not yet done it to my Cosworth But will before it hits the road
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Re: AMSoil and filters..

Postby rpoz-29 » Fri Jul 08, 2016 8:10 pm

For more information than you will ever need, try..."bobistheoilguy.com"
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Re: AMSoil and filters..

Postby T-FATTY » Fri Jul 08, 2016 9:17 pm

+1 on Rotella, otherwise i'd stick to conventional oil.
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