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#4657835 - 02/06/18 10:33 AM Lucas Xtra vs #2 Red N' Tacky
vortex Offline


Registered: 03/17/11
Posts: 7
Loc: Toronto, On, Canada
I haven't tried Lucas Xtra I noticed it was polyurea vs Red N' Tacky which is lithium complex.

I know both will probably work for bearing applications but I'm wondering what the differences are going with the different chemistries.

There are 2 applications I would like to use them on:

1. The Idler pulley on the car's belt (which is currently using Red N' Tacky) this is a highspeed high heat application as it's mounted on the engine and tends to run at high RPM. The Red N' Tacky seems to be working sufficiently however most of the grease seems to be flung out by the end of a 2 year interval.

2. Bicycle wheel hub bearings. These spin at a far slower RPM generally aren't subjected to high heat but might experience slight impact loads from the road surface. Also a requirement must withstand winter riding conditions so -15C (5F) -> 35C (95F) operating range is about normal right. Also might be some riding in the rain so slight water resistance would be a plus however riding while in the rain and slush is generally avoided so this might not be a big deal. Not a racer so a tiny bit of additional drag by grease won't really affect daily riding.


I'm mostly looking for durability in people's experiments how do the two do in terms of durability? Currently the bicycle also runs red N tacky on the wheel hubs only would it be worth it to overhaul and replace with polyurea based grease? In terms of technical specs from lucas they list the following relevant differences.

Oil separation:
Red N Tacky: 10%
Xtra HD: 5%

Water washout:
Red N Tacky: 5%
Xtra HD: 10%

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#4657864 - 02/06/18 10:55 AM Re: Lucas Xtra vs #2 Red N' Tacky [Re: vortex]
krismoriah72 Offline


Registered: 02/16/09
Posts: 1578
Loc: wv
Im a fan of mystik for everything other than my utv that sees alot of water and creeks.

There was a show on the history channel a few yrs back that showed that the Navy used barrels of grease every week and they used mystik.

Ive never heard anything bad about mystik either.


For heavy water applications i like Green grease.

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#4657880 - 02/06/18 11:17 AM Re: Lucas Xtra vs #2 Red N' Tacky [Re: vortex]
Kamele0N Offline


Registered: 02/09/15
Posts: 2133
Loc: Slovenia EU
Application nr.1 will definitely benifit with polyurea grease...

Nr.2...about anything will work out...usually lithium/calcium grease (due to better water washout resistance)... Could be even normal lithium grease with added anti water washout characheristics
_________________________
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#4659654 - 02/08/18 03:26 AM Re: Lucas Xtra vs #2 Red N' Tacky [Re: vortex]
stoan Offline


Registered: 04/27/17
Posts: 35
Loc: FL
Originally Posted By: vortex
I haven't tried Lucas Xtra I noticed it was polyurea vs Red N' Tacky which is lithium complex.

I know both will probably work for bearing applications but I'm wondering what the differences are going with the different chemistries.

There are 2 applications I would like to use them on:

1. The Idler pulley on the car's belt (which is currently using Red N' Tacky) this is a highspeed high heat application as it's mounted on the engine and tends to run at high RPM. The Red N' Tacky seems to be working sufficiently however most of the grease seems to be flung out by the end of a 2 year interval.

2. Bicycle wheel hub bearings. These spin at a far slower RPM generally aren't subjected to high heat but might experience slight impact loads from the road surface. Also a requirement must withstand winter riding conditions so -15C (5F) -> 35C (95F) operating range is about normal right. Also might be some riding in the rain so slight water resistance would be a plus however riding while in the rain and slush is generally avoided so this might not be a big deal. Not a racer so a tiny bit of additional drag by grease won't really affect daily riding.


I'm mostly looking for durability in people's experiments how do the two do in terms of durability? Currently the bicycle also runs red N tacky on the wheel hubs only would it be worth it to overhaul and replace with polyurea based grease? In terms of technical specs from lucas they list the following relevant differences.

Oil separation:
Red N Tacky: 10%
Xtra HD: 5%

Water washout:
Red N Tacky: 5%
Xtra HD: 10%



Those separation and washout numbers aren't very impressive, I'd look at other greases.

For your bike in the cold, I'd test the grease in a freezer first. I just tried a tube of Amalie grease that says -40 on the tube. Put a blob of it in the freezer [-10] overnight and it was like a solid piece of soft rubber, couldn't even stir it with a kinife. No way I'd want to ride a bike with that stuff in the bearings. I had three other greases with the Amalie and they all did much better even though they were not rated as low.

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#4671272 - 02/19/18 06:55 PM Re: Lucas Xtra vs #2 Red N' Tacky [Re: stoan]
another Todd Offline


Registered: 05/15/06
Posts: 2205
Loc: Lakeside CA


[/quote]

Those separation and washout numbers aren't very impressive, I'd look at other greases. [/quote]

I've never found any Lucas product that I thought was impressive, or even very good. I do like the Lucas Off Road Racing Series though.
_________________________
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#4707286 - 03/26/18 09:11 AM Re: Lucas Xtra vs #2 Red N' Tacky [Re: vortex]
vortex Offline


Registered: 03/17/11
Posts: 7
Loc: Toronto, On, Canada
Ok well after hearing the opinions from you guys here I'm going to go grab a tube of Mobil Polyrex EM for my ball bearing applications and probably other applications since I'd imagine it's high quality enough for most of my bearing repack applications.

I wonder if Polyrex EM is good enough for sliding surfaces as well or will I need another type of grease.

I'd imagine with a water washout rate of only 1.4% according to the data sheet these will be good on bicycle hubs as well (currently still running lucas red n tacky it's messy stuff)

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#4707829 - 03/26/18 07:48 PM Re: Lucas Xtra vs #2 Red N' Tacky [Re: krismoriah72]
jhellwig Offline


Registered: 07/01/13
Posts: 1595
Loc: Ottumwa, Iowa
Originally Posted By: krismoriah72
Im a fan of mystik for everything other than my utv that sees alot of water and creeks.

There was a show on the history channel a few yrs back that showed that the Navy used barrels of grease every week and they used mystik.

Ive never heard anything bad about mystik either.


For heavy water applications i like Green grease.



Don't show the synthetic blend stuff a picture of water. It will separate and mix with the water and turn the thickener into cottage cheese.

Don't use polyrex em on anything other than bearings.


Edited by jhellwig (03/26/18 07:50 PM)
_________________________
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#4708376 - 03/27/18 11:02 AM Re: Lucas Xtra vs #2 Red N' Tacky [Re: vortex]
hiflo Offline


Registered: 07/07/15
Posts: 20
Loc: mississippi
the base oil thickness of mystik and green grease is thicker than stp oil treatment not good for high speed bearings. when I worked in power plants and oil refineries they use a grease called corrosion block is has a long wheel bearing life and can be used in sealed for life bearings it is very good in wet and salt water marine check it out .corrosion block. you can buy it at www.blockcorrosion.com

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#4709368 - 03/28/18 09:30 AM Re: Lucas Xtra vs #2 Red N' Tacky [Re: jhellwig]
vortex Offline


Registered: 03/17/11
Posts: 7
Loc: Toronto, On, Canada
Originally Posted By: jhellwig
Originally Posted By: krismoriah72

For heavy water applications i like Green grease.



Don't use polyrex em on anything other than bearings.


Why not? what properties of polyrex em makes it unsuitable for anything else?

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#4709445 - 03/28/18 10:42 AM Re: Lucas Xtra vs #2 Red N' Tacky [Re: vortex]
vortex Offline


Registered: 03/17/11
Posts: 7
Loc: Toronto, On, Canada
To clarify I'd imagine they have some sliding element capability but are probably not EP.

I guess I can always continue using the red n tacky on sliding elements or occilating elements. And keep the polyrex for ball bearings. I can't imagine the ball bearings in my idler pully are any different than the electric motor ball bearings so I think that application is suitable I put in some plain no name polyurea green grease into it but once the polyrex arrives I think I'll flush it out and replace with the more appropriate grease.

Beyond that I can always use it in some experiments like the garage door sled rail see how it holds up exposed it might do better than lucas who knows.

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#4712037 - 03/31/18 04:50 AM Re: Lucas Xtra vs #2 Red N' Tacky [Re: vortex]
billt460 Offline


Registered: 03/30/15
Posts: 4803
Loc: Glendale, Arizona
I purchased a tube of Lucas "Red-N-Tacky" to use as a gun grease on auto pistol slides and bolt lugs. It does tend to stay put a little better. But other than that I found it to be no different than most other automotive type greases. The price on it was good.

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#4712049 - 03/31/18 05:21 AM Re: Lucas Xtra vs #2 Red N' Tacky [Re: krismoriah72]
cven Offline


Registered: 07/24/08
Posts: 328
Loc: ohio


"There was a show on the history channel a few yrs back that showed that the Navy used barrels of grease every week and they used mystik."



That show about the Navy ships was on about a month ago...it said they use Bel-Ray grease. They mentioned the name and showed the drum also.

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#4714655 - 04/02/18 11:04 PM Re: Lucas Xtra vs #2 Red N' Tacky [Re: vortex]
vortex Offline


Registered: 03/17/11
Posts: 7
Loc: Toronto, On, Canada
Well now that my tube of Polyrex EM has arrived I have a few observations.

1. It does not have a distinct odor in fact it's mostly odorless.
2. The oil doesn't separate like lucas red and tacky does over time.
3. The texture about as creamy as lucas red n tacky without the smell in high speed ball bearing applications it does a much better job of not getting flung out of the bearing under load and in general seems to be a more durable grease.
4. Comes in a nice plastic tube so no more worries about leaks unlike most cardboard tubes that eventually soak through.
5. Seems to be reasonable for general sleeve bearings put them in a miniature computer fan to check for drag and the fan did not slow down when compared to other grease.

Have not tested it on sliding elements but I have no reason to believe it's not up to the task.

Probably will redo all my bike bearings with this when I get the chance it seems to be better than the lucas red n tacky stuff I probably should run some water washout tests to be sure.

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#4714660 - 04/02/18 11:14 PM Re: Lucas Xtra vs #2 Red N' Tacky [Re: vortex]
jakewells Offline


Registered: 12/28/12
Posts: 539
Loc: Cave City KY
I use schaeffers grease it has held strong where others have failed.
_________________________
1994 Ford F150 302 4R70
Chevron Delo SAE 30 CF/SL Fram XG8A
1978 Chevy Nova 250 I6 3 on the tree.
Rotella 10W40 Fram TG30


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#4717069 - 04/05/18 10:14 AM Re: Lucas Xtra vs #2 Red N' Tacky [Re: vortex]
vortex Offline


Registered: 03/17/11
Posts: 7
Loc: Toronto, On, Canada
I wonder if Polyrex EM is food safe apparently they make a Polyrex SHC which is food safe but this stuff doesn't have the info. The MSDS says there should not be first aid required if it's ingested so potentionally that means non toxic.

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