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  '74 to '78 -- The Mustang II
  Oil Problem?

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Author Topic:   Oil Problem?
Gidyup302
Journeyman

Posts: 93
From: CT
Registered: Feb 2001

posted 08-24-2001 08:36 PM     Click Here to See the Profile for Gidyup302   Click Here to Email Gidyup302     Edit/Delete Message   Reply w/Quote
Hello stangers,
My 302 is 1969,bored 60 over,crank turned,trw flat tops,clearance between the pistons and the cyl. are very tight,
It has power seal one pc. rings.
Anyway one of the hardened valve seats came out,I pulled the head off and theres a bit more oil on the tops of those cly. then im used to seeing on an engine with less then 10 grand on it for mileage, I was told that the motor is going to use oil,approx 1qt every 1500 miles or so(words of the machineist) It has good compresson,cyl.still have cross hatch.
Is this normal or did those oil rings not seat?
Also have never seen any smoke out the tail pipe.

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mustangj
Gearhead

Posts: 259
From: fergus,ontario,canada
Registered: Mar 2001

posted 08-26-2001 10:06 PM     Click Here to See the Profile for mustangj   Click Here to Email mustangj     Edit/Delete Message   Reply w/Quote
My mustangs and for that matter the mark drink a liter of oil every 5000km (when I change their oil). Any more then that might be a bad thing. I noticed my old fords (even with new engines) tend to use a bit of oil. I chock that up to higher RPM, because of tall gears, short tires and no over-drive) [Driving the wheels off helps too]

------------------
1978 Muscletang II t-top mach 1
1991 Lincoln mark 7
1997 Escort wagon type R
[email protected]

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Maxwell_fax
Gearhead

Posts: 221
From: Port Royal, PA, USA
Registered: Nov 2000

posted 08-29-2001 05:18 AM     Click Here to See the Profile for Maxwell_fax   Click Here to Email Maxwell_fax     Edit/Delete Message   Reply w/Quote
Oddly enuff my Gran Torino with a 351M at 141,000 miles uses absolutely no oil. It's rather eerie... Still carries no less than 40lbs of oil pressure too... Shame the block cracked... However my 289 does tend to consume some oil... About half a quart every 3000 miles.. It was about a quart more than that right after I injected it.. Then I cleaned the little screen in the intake where the PCV goes... Do you happen to have a cam that doesn't produce alot of vaccum at idle???

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Gidyup302
Journeyman

Posts: 93
From: CT
Registered: Feb 2001

posted 08-29-2001 02:58 PM     Click Here to See the Profile for Gidyup302   Click Here to Email Gidyup302     Edit/Delete Message   Reply w/Quote
The cam thats in it is an overlap duration cam,so it gives you more vac. at idle.
Alot was done to the eng.so the higher rpm must play a role,plus it has a high volume pump in it.
finding out about that pump makes me hope I dont drain that pan running this thing hard
Does any one make a larger capacity pan for the II?

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