frankthetank
Contributor
Posts: 680
Loc: Lodi California
Reg: 02-22-11
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07-30-12 05:01 PM - Post#2253893
Need to oil my gear box on my 63, someone mentioned using a heavy gear oil like 90 weight or 90 weight mixed with chassis lube to prevent leaks. I have quite a bit of royal purple sae 75w-140 left over from filling my differential, would this work good or is it a totaly different oil than what is needed?
1963 Chevrolet impala sport coupe
2006 Chevrolet silverado crew cab 2wd |
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 Lynn63
"4th Year" Gold Supporting Member
Posts: 547
Age: 72
Loc: Vicksburg, MI
Reg: 02-07-09
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07-30-12 06:47 PM - Post#2253963
In response to frankthetank
Frank, are you talking about your transmission? If so, which one do you have? 75W140 is really too thick for a manual trans. The syncros like something quite a bit lighter, like 75W90 or even 5W30 syncromesh oil.
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dcairns
"4th Year" Silver Supporting Member
Posts: 1553
Loc: Orange CA
Reg: 11-07-03
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07-30-12 07:08 PM - Post#2253982
In response to Lynn63
If you are talking about steering gear box lube, see Jalapeno's comment in this thread.
Correct lube for steering gear?
- Dave
1964 Impala 4-door sedan
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frankthetank
Contributor
Posts: 680
Loc: Lodi California
Reg: 02-22-11
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07-30-12 07:46 PM - Post#2254004
In response to dcairns
Steering box, my bad.
1963 Chevrolet impala sport coupe
2006 Chevrolet silverado crew cab 2wd |
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frankthetank
Contributor
Posts: 680
Loc: Lodi California
Reg: 02-22-11
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07-30-12 08:00 PM - Post#2254014
In response to frankthetank
I checked daves link and i think im going to go with the mixture of 90 weight and chassis lube. Forgive my dumb question but what exactly will a bottle of 90 weight specify on the label, how do i tell which is 90 weight?
1963 Chevrolet impala sport coupe
2006 Chevrolet silverado crew cab 2wd |
Edited by frankthetank on 07-30-12 08:01 PM. Reason for edit: No reason given.
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Lynn63
"4th Year" Gold Supporting Member
Posts: 547
Age: 72
Loc: Vicksburg, MI
Reg: 02-07-09
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08-02-12 09:11 PM - Post#2255188
In response to frankthetank
It will say 75W90 or 80W90 gear lube.
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junky
Contributor
Posts: 924
Reg: 06-27-10
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08-02-12 09:43 PM - Post#2255201
In response to Lynn63
Frank, are you talking about your transmission? If so, which one do you have? 75W140 is really too thick for a manual trans. The syncros like something quite a bit lighter, like 75W90 or even 5W30 syncromesh oil.
I will take exception to this. Back in 1962, when my car was new, and the 4 speed trans didn't want to shift on the very cold mornings in New Hampshire, the dealership changed out the original factory lube for Kendall 80-90-140 three star gear lube, and added 2 q ounce tubes of Lubriplate molybdenum disulfide. The transmission never gave me another morning of not shifting problems. They got the information about the lube change from the Boston Zone office.
Never argue with an idiot. He'll drag you down to his level, then beat you with experience.
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 bowtieollie
ChevyTalk Subject Matter Expert
Posts: 20902
Loc: See the USA in your Chevr...
Reg: 12-06-99
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08-03-12 11:29 AM - Post#2255361
In response to frankthetank
CV Joint grease.
You can buy a tube at the local Honda/Acura dealer.
Part # 08798-9026
Bowtieollie
Chevytalk.com Moderator |
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Lynn63
"4th Year" Gold Supporting Member
Posts: 547
Age: 72
Loc: Vicksburg, MI
Reg: 02-07-09
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08-03-12 11:52 AM - Post#2255370
In response to junky
Glad it worked for you, junky. I can't imagine what was originally in there that made 140 gear lube and the additive look good.
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