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Old 10-24-2009, 02:39 PM   #1
Martin64
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How much 90wt?

I'm going to change the oil in my 3 speed and rear end of my '64 C10. How much oil goes in each? I don't want to get a 5 gallon bucket if I don't have to because I don't want to the extra oil just hanging around the garage plus I don't want to pay for all that oil if I won't use it all. Plus I don't have an oil pump for a 5 gal. pail either.
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Old 10-24-2009, 02:58 PM   #2
TwoFiftyShifter
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Re: How much 90wt?

The tranny should be around 4 quarts.... a 4speed creeper box is 5 qt.
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Old 10-24-2009, 07:57 PM   #3
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Re: How much 90wt?

It ended up being almost 2 qt for the transmission and it was some pretty old stuff that came out. It looked alot more like 100,000 mile 30 wt than 90 wt. I didn't change the rear end oil. I thought it had a drain plug, but it didn't and I didn't have a new rear gasket on-hand. The oil that's in it looks alot better than the transmission oil and it was only about 1/2 cup low so I toppped it off and I'll do it later.
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Old 10-24-2009, 09:48 PM   #4
TwoFiftyShifter
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Re: How much 90wt?

2qt? Wow. Are you sure the rear doesnt have a drain plug?
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Old 10-25-2009, 11:33 AM   #5
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Re: How much 90wt?

Yes, no drain plug.
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Old 10-25-2009, 12:15 PM   #6
cdowns
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Re: How much 90wt?

i always change to synthetics for trannies and rears
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Old 10-26-2009, 09:44 AM   #7
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Re: How much 90wt?

Nobody has info on how much oil for the rearend?
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Old 10-26-2009, 10:08 AM   #8
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Re: How much 90wt?

I just had my saginaw 4spd rebuilt, and it took just under 2qts.
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Old 10-26-2009, 10:54 PM   #9
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Re: How much 90wt?

It was just under 2 qts for my sons GM 12 bolt.
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