1991 4.3 Engine Oil Capacity - S-10 Forum
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1991 4.3 Engine Oil Capacity

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Old 03-23-2011, 07:02 PM   #1
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1991 4.3 Engine Oil Capacity

Ok guys I am going to swap my 2.8 to 4.3.I have my donor car for this swap but 4.3 hasnt an oil stick on it.So question is what is the oil capacity for this engine ? I will add the oil and than arrange a oil stick for it.

Thanks.
Old 03-23-2011, 07:14 PM   #2
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Re: 1991 4.3 Engine Oil Capacity

4.5 qts with filter.
Old 03-23-2011, 07:31 PM   #3
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Re: 1991 4.3 Engine Oil Capacity

Quote: Originally Posted by Hoosier Rick
4.5 qts with filter.
So its 4.25 litres right?

Also is it the maximum oil capacity ? what is the minumum level of oil for add oil marker on the stick ?
Old 03-23-2011, 09:46 PM   #4
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Re: 1991 4.3 Engine Oil Capacity

I have a 91 s10 with a 4.3 TBI 2WD and stock oil pan. Oil filter is at the pan,
If I change the oil AND FILTER it can only take 4 quarts and the inside of that engine is clean.
So it all depends on the oil pan. If I put in 4.25 quarts the engine runs like crap.
I can measure the stick if that helps. They should be the same.

Hell, for $900 I'll sell you the stick and throw in the truck with it (-minus the tires).
Old 03-23-2011, 09:55 PM   #5
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Re: 1991 4.3 Engine Oil Capacity

Dang Bill getting rid of your S? If I had some cash and you were closer I would buy that dipstick off ya..... :-)
Old 03-23-2011, 10:56 PM   #6
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Re: 1991 4.3 Engine Oil Capacity

Ya I know, and it's a classic now. No more hassles with inspections.
Actually for the last year I've been driving a 4cyl Ranger. Not as fun, but I make more because gas is so dam high. Just today I drove over 140 miles just doing service calls, and most of them were for other companies. I keep it to the floor, and it still gets ~28 mpg. Can't do that with a 4.3....
The s10 needs paint. Sounds and runs right. If it rains the engine runs like a bat out of hell. Still can't figure out why???
I'll probably give it up to Kid that wants to paint it and hopefully won't wrap it around a tree.
Anyways....
Old 03-24-2011, 01:42 AM   #7
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Re: 1991 4.3 Engine Oil Capacity

Mine takes 4 to 4.25 max also including filter. 88 2wd. could be discrepancy in the pan or gunk in the pan, but I'm fairly sure it's not.
Old 03-24-2011, 03:08 AM   #8
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Re: 1991 4.3 Engine Oil Capacity

Mine is 4x4 and I think pan is different :S Also mine oil filter is out of the pan near the firewall.Could you please measure the stick ?

Anyone has 4.3 4x4 ?
Old 03-24-2011, 12:25 PM   #9
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Re: 1991 4.3 Engine Oil Capacity

Quote: Originally Posted by moonwalker_arc
Mine is 4x4 and I think pan is different :S Also mine oil filter is out of the pan near the firewall.Could you please measure the stick ?

Anyone has 4.3 4x4 ?
Sure can. I won't be back home until Friday so you will have to wait.
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