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Old 10-07-2012, 12:19 AM   #1
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Default how many quarts of oil for 302

my 93 f150 i thought took 6qts but its overfull with 6 quarts. what gives? someone marked it as 5qts on the air filter box but i am pretty sure they took 6? anyone have any ideas?
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Old 10-07-2012, 01:25 AM   #2
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All depends on the filter and how patient you are. I know with my truck, if I put 4.7L in, it will be a little over, after it all drains down, but it doesn't worry me.
I use a Quaker State QS8A filter, have been for the past two years with no problems.
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Old 10-07-2012, 01:26 AM   #3
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as per the manual

with new filter you need 6 quarts.

no replacement filter 5 quarts.

my trucks all read high with 6 qts and new filter but thats what the manual says along with everyone on here.
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Old 10-07-2012, 01:32 AM   #4
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how high does yours read on the stick?
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Old 10-07-2012, 02:13 AM   #5
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Quote:
Originally Posted by dakota1820 View Post
how high does yours read on the stick?
on all mine it reads about a half quart high for about 250-500 miles then it settles on the full mark.
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1996 f150 XLT, 5.0/302, 4sp auto/OD, extended cab short bed, 107k miles. TOTALED
1998 ram 1500, SLT Laramie, 5.2/318, 4x4, with 4sp auto/OD, quadcab, shortbed, 147k miles.
1992 f150, XLT 5.0/302, 4 sp auto/OD, extended cab, short bed, 107k miles.
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Old 10-07-2012, 07:30 AM   #6
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I don't lose any oil and it reads about a 1/4 inch higher than the full mark. 4.7L=5 Quarts.
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Old 10-07-2012, 08:31 AM   #7
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Back in the day the rule of thumb that i always used was 1 qt per cylinder but somewhere along the line that changed.

When i did an oil & filter change on my 351 last month it used 5 qts. ( It's what the owner's manual in the glove box said.)

That might be why they sell oil in 1 qt and 5 qt containers.

A five quart jug seems like an oddball size but that might be the reason for it. Maybe it's some new industry standard or something.

The safest bet when you do an oil & filter change is to refill it with five quarts and see where it reads on the dipstick before you start the engine.

If it reads a little high, run the motor and let it fill the oil filter then shut it back down.

Take another reading on the dipstick to see where you are.

If it reads right to the full mark then 5 qts was the right amount to use.
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Old 10-07-2012, 09:04 AM   #8
It's a Canadian thing eh!
 
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It does allot to do with the filter I think too, my old fram vs my new bosch filter with the same amount of oil reads differently. The fram one had a higher oil reading then the bosch, same size filter but the bosch would hold more oil.

Maybe cause of the drain back valve I dunno.
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Old 10-12-2012, 11:32 PM   #9
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My truck my dads truck my grandpas truck and my friends truck all took 6 quarts
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Old 10-13-2012, 01:34 AM   #10
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6 quarts put mine on the F on the word full. My truck wants to use oil if I only put five In but won't use any with six. Six it is
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Old 10-13-2012, 01:34 AM
 
 
 
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