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12-16-2015, 10:29 AM
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#1 |
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F’B’D guy
 
Join Date: Feb 2004
Location: Texas/Maine
Posts: 2,218
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Road trip question, rear end and transmission fluid type
Hey y'all, I'm getting ready for a long drive in my new to me 64 GMC long bed 1/2 ton 4X4. I'm going to check fluids this morning before taking off. I'm guessing 90W gear oil in the rear end? Same for transmission and transfer case? It's running an 350 engine with stock running gear.
Thanks |
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12-16-2015, 11:20 AM
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#2 | |
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Registered User
 
Join Date: Jun 2011
Location: Phoenix,AZ
Posts: 946
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Re: Road trip question, rear end and transmission fluid type
Quote:
__________________
Hand Made Factory reproduction A/C vents text or call 602-361-6421 Website for A/C vents https://coolc10.com/ |
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12-16-2015, 02:37 PM
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#3 |
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F’B’D guy
Join Date: Feb 2004
Location: Texas/Maine
Posts: 2,218
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Re: Road trip question, rear end and transmission fluid type
I am guessing the front and rear differential, manual 4 speed transmission and the transfer case all take 80/90 gear oil?
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12-16-2015, 02:48 PM
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#4 |
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Registered User
Join Date: Feb 2012
Location: pleasant valley--placerville ca
Posts: 3,039
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Re: Road trip question, rear end and transmission fluid type
yes, any GL 4 or 5 probably only find GL 5 75-80 or 90
__________________
1961 chevy K10 my build is------------61K10 build |
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12-16-2015, 03:28 PM
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#5 |
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Registered User
Join Date: Sep 2006
Location: Louisiana
Posts: 374
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Re: Road trip question, rear end and transmission fluid type
If you are using 90W in the transmission, you need to make sure it is safe for "yellow metals". The yellow metals would be your synchronizers. Some of the high end 90W will be safe, but many are not.
Regards, Steve New Orleans |
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