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HAS ANYONE USED LUCAS GEAR OIL ?


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#21 DanielC

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Posted 20 December 2016 - 10:41 AM

I use Valvoline VR-1 in my Datsuns, since a case of oil looked liked this:

 

ValOil.jpg

 

Make sure you use a GL-4 oil in the transmission, GL-5 is OK in the rear axle.

 

Old engines need old types of oil.

 

As far a Lucas electrics are concerned, I have heard owners of British cars refer to "Lucas" as the "prince of darkness".



#22 datzenmike

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Posted 20 December 2016 - 05:41 PM

Lucas refrigerators.... It's why the British drink warm beer


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#23 maltese

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Posted 20 December 2016 - 06:55 PM

This is what I used in my Datsun...

8541564764_a00de5a59f_c.jpg

FUCK YEAH!!! Even if it is a Toyota motor. ;)


#24 scooter

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Posted 20 December 2016 - 08:31 PM

Brad penn or joe gibbs 15-50 or 20-50 in my ratsun.

The diesel gets rotella.
All the cheap motors get rotella..


The cheap motors havint blown up.
But neither has the expensive one.

The lucas oil seems really thin when you pour it in the heavy weights vs the other kinds... I dont think its any different than lordco jobber oil

#25 Tom1200

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Posted 27 December 2016 - 03:08 PM

Wasn't this thread about gear oil and not engine oil?

As for gear oil the Lucas stuff should not be used with yellow metal; I've used it in the past but you will see a fine tint in the gear oil when you drain it. Use either the Redline or NAPA stalube GL4. Now if you are running a tranny with steel synchro rings ignore Hoya I just said.

#26 datzenmike

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Posted 28 December 2016 - 08:59 AM

I guess read the Lucas label or contact them about being compatible with copper/brass/bronze alloys.


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#27 dndgib

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Posted 19 August 2017 - 11:23 AM

My question is on the same lines but with regards to gear oil weight. I live in southern AZ and do some 1 1/2 hour  highway driving during the summer where the temp gets to 115f  ambient.  I am concerned about trans and diff temps so I am thinking 85w140.  It doesn't really get cold here so I am not overly concerned about the lower temp thickness.  Does anyone have any recommendations for gear oils in this region of the hot ass SW?



#28 datzenmike

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Posted 19 August 2017 - 12:59 PM

140 w is good to 50F and is a bit thick below that till it warms up from use. Probably ok in the diff. Get and us GL5 if you do.

 

140 w in a transmission may cause hard shifting when cooled down or cold. I would look at GM Delco Synchromesh Transmission oil. It's GL-4 rated, synthetic so very resistant to heat breakdown and quite thin so easy shifting when cool or cold. I used it last winter at about -5C or 20F with no noticeable changes.


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#29 G-Duax

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Posted 19 August 2017 - 08:39 PM

I just got done changing both trans & diff out to 85w140, since it's rather warm here in Texas.