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Posted: 6/9/2011 5:45:50 PM EDT
[#1]
50 weight
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Posted: 6/10/2011 1:19:58 AM EDT
[#2]
most of your common gun lubes are around 10 wt iirc.
truth is use what ever your POV calls for. |
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Posted: 6/10/2011 5:23:01 PM EDT
[#3]
Does the mobil oil have any Neg effects on a gun?
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Posted: 6/10/2011 5:28:02 PM EDT
[#4]
Quoted:
Does the mobil oil have any Neg effects on a gun? It has almost no corrosion protection, but it stays wet under high heat and pressure like a good gun oil should. |
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Posted: 6/10/2011 6:09:11 PM EDT
[#5]
definitely 3w-47.5
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Posted: 6/10/2011 6:36:52 PM EDT
[#6]
20W50 VTWIN
10W40 if it is colder. |
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Posted: 6/10/2011 6:43:28 PM EDT
[#7]
Quoted:
definitely 3w-47.5 
I got some for this purpose but I find it smells worse than any other oil Ive used. Maybe im just used to Royal Purple *flame suit on* |
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Posted: 6/11/2011 4:22:32 AM EDT
[#8]
Quoted:
20W50 VTWIN 10W40 if it is colder. This. I run the heavier weights most of the time. They stay put better and seem to last longer. |
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Posted: 6/11/2011 5:51:58 AM EDT
[#9]
i have never used automotive oil on my firearms but if was going to, it'd be amsoil v-twin 20-50. it has great corrosion resistance and better lube than most synthetics. that said, i'm pretty sure as a lubricant any synthetic motor oil could handle firearm operating temp range. just my .02 because i am considering a qt of it myself. even at $14/qt its cheaper than b.f.clp
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Posted: 6/18/2011 9:50:11 PM EDT
[#10]
I use 30w
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Posted: 6/18/2011 11:03:30 PM EDT
[#11]
I've been using 5w, because thats what goes in my truck. Seems to make a lighter coat and pick up less dust than the heavier stuff.
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Posted: 6/19/2011 1:04:58 AM EDT
[#12]
Quoted:
Quoted:
Does the mobil oil have any Neg effects on a gun? it stays wet under high heat and pressure like a good gun oil should. Cold weather performance is pretty good, too. -20F in my neck of the woods isn't the coldest on the planet, but it's still pretty chilly. |
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Posted: 6/19/2011 8:06:43 AM EDT
[#13]
I use 20w-50 Yamalube.
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Posted: 6/19/2011 5:35:46 PM EDT
[#14]
I use whatever full synthetic oil I have around.........10w-30 weight.
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Posted: 6/20/2011 8:39:18 PM EDT
[#15]
sometimes I pull the dipstick on my truck and dab some oil on the BCG..works fine
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Posted: 6/25/2011 6:03:23 AM EDT
[#16]
I use the MOBIL1 20w-50 V-TWIN also
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Posted: 6/26/2011 6:59:43 AM EDT
[#17]
10w-30 or lighter. You don't have to buy expensive mobil 1. Wal-mart sells their own brand super tech synthetic motor oil 5w-30, which works greatly. I recommend syn. oil only on the BC. It makes too much of a mess if put anywhere else. I use CLP on the springs and charging handle and to clean bore / chamber.
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Posted: 6/27/2011 11:24:13 AM EDT
[#18]
For comparison, all weights of motor oil have a higher viscosity (are thicker) than CLP. CLP cSt at 40°C (104°F) is 9.0 - 14.0. Even Mobil 1 5W-20 is 44.9. 10W-30 is 64.4.
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Posted: 6/29/2011 11:27:28 AM EDT
[#19]
Quoted:
10w-30 or lighter. You don't have to buy expensive mobil 1. Wal-mart sells their own brand super tech synthetic motor oil 5w-30, which works greatly. I recommend syn. oil only on the BC. It makes too much of a mess if put anywhere else. I use CLP on the springs and charging handle and to clean bore / chamber. SuperTech is actually a group III oil, considered a "synthetic" in this country but it is actually highly refined crude oil (hydrocracked). Mobil1/AMSOIL/Royal Purple are group IV PAO synthetics. The molecules are actually built up from gas molecules (ethylene if I remember right). Group III oils really lack the cold weather properties of PAO synthetics and some of the higher temp properties too (but not as much). |
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Posted: 6/29/2011 3:05:30 PM EDT
[#20]
Mobil 1 is also a group III oil along with several other oils labeled as "synthetic".
Royal Purple and Amsoil are group IV and Redline is group V. |
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Posted: 7/1/2011 3:09:33 PM EDT
[#21]
I use 15-50w
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Posted: 7/4/2011 2:13:32 PM EDT
[#22]
Quoted:
Mobil 1 is also a group III oil along with several other oils labeled as "synthetic". Royal Purple and Amsoil are group IV and Redline is group V. I haven't been reading much about oil lately, so I'm a bit out of the loop. Last I knew the regular Mobil1 was group III in some weights and PAO in other, but the EP is still PAO. Of course, that was a few years ago. Not that it really matters for gun lubrication. Sure, PAOs do evaporate slightly slower, but I wouldn't think it would matter. I still don't feel motor oils make good lubes since they lack solvency and corrosion protection. |
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Posted: 7/12/2011 10:36:43 AM EDT
[#23]
Motor oil on firearms, and old but good idea. I recall opening a can of Castrol GTX 20W-50, same as I used for my Triumph motorcycle. I poured it into squirt can and used it widely on firearms of all kinds, including .45 autos for USPSA matches. It always did the job and I'd still be using it if I hadn't moved on to high-tech greases. The M1 Garand rifle needs grease in and around the bolt. I finally settled on Hi-temp moly grease of the kind used for disc brakes. I tried this grease recently when assembling my first AR-15 build, it worked OK on the mating surfaces of the bolt carrier, but the action only smoothed up completely when I started applying Slip 2000. I began to appreciate how the AR-15 rifle need to run with relatively low viscosity oil that doesn't dry out in the heat. One reason for this is possibly because the fit of the AR's carrier to the upper is much tighter than the fit of the Garand's bolt to its receiver rails and lugs. Based my limited experience, use Slip 2000 or Frog Lube if you have it, high quality 20/50 motor oil if you don't. Either choice is far better than a CLP preparation, IMO. - CW
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Posted: 7/12/2011 10:43:38 AM EDT
[#24]
Dupe
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