I have owned this truck about 2 years, 74 F250 Camper spcl 390 auto.
According to my dip stick 4 quarts is full this includes the filter change. Seems strange that this is all the oil capacity the motor has, but pressure has always been good with no lifter ticks. This really botherd me when I first got the truck but have gotten used to it, Just wondering what other 390's are taking. My Haynes book says 6 Qt, think if I put all that in she would be blowing out the stick. Also back when I first got the rig whent to the FORD dealer but the stick and tube are no longer available. Had a similar deal with my 76 300, but the dealer was able to get a new stick and it was diff then the one in when I got that truck.
my 390 takes 3 qts and my previous trucks both with 300 inlines also took 6 gts. i think it is standard on ford truck engines..
'75 F-100 4x4, 4" lift
16x38.5x15 super swamper TSL
mini-spooled 9" rear end
390 w/ cam,headers,
and 4 barrell edelbrock
TRIED TRUE and FORD BLUE
Paul Goodman III
heck, when I bought my f100 w/360 I checked the oil first thing. I about died, it wasn't even on the dipstick!! (I had driven it home about 3-4 miles, no tickin', dummy gauge said I had oil pressure... I added 4 1/2 qts to bring her up to full, hasn't burned any since. Long story short, a ford will run with low oil, our chevy 454 on the other hand went three qaurts low for about 20-25 minutes and gave up the ghost.....
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