How much oil - JeepForum.com
 
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post #1 of 2 Old 02-14-2003, 10:46 AM Thread Starter
UPnOVER
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How much oil

How much oil are you running in your 91' 4.0L I6.
I am reading something that said to put in 5qt's in then add per what the dip stick reads and I have just been putting in 6qt. I have to ask 5+or 6.

Thanks.


I get older and they stay the same age.
RED JEEP #6
91' YJ, D30 EZ, F8.8 locked & 410's, BDS4+" lift, 35" BFG's on 15x8 RC, 8,000lb Ramsey, etc. www. rock-nutz.com

Last edited by UPnOVER; 02-14-2003 at 11:39 AM.
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post #2 of 2 Old 02-14-2003, 12:05 PM
4wheeler4CJ
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My '96 ends up about 5 1/2 to 6. I put 5 then adjust up from there.

You really shouldn't overfill it too much, or the crank lobes will splash it too much, causing it to froth up and not pump thoroughly, as well as causing extra resistance/drag.

However, 6 quarts will not overfill it much anyway, and it would be safe to just dump 6 in off the bat and be done. The 4.0 and 4.2 blocks are high capacity. Before you put your new filter on, put some in it from your 1st quart so you arent starting it up totally dry.....it will take less time to get oil pressure that way.
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