1965 289 Mustang engine oil brand/type? - Ford Mustang Forum

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post #1 of 9 (permalink) Old 04-03-2005 Thread Starter
earlymustang's Avatar
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1965 289 Mustang engine oil brand/type?

Looking for some advice on an engine oil (brand and type) for a 65/289 4v.

Also, how many quarts to use on an oil change?


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post #2 of 9 (permalink) Old 04-04-2005
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Hey, welcome to the forums!

Engine oil is a personal thing to which there is much debate as to which brand/type is the "best!"

I have tried many different kinds of oils from: regular Castrol, Mobil, Pennzoil, Napa, Dollar store oil, Semi-Synthetic Castrol, hi-mileage oils, Full synthetic Castrol, Mobil 1 Syn, Royal Purple Syn, and Red-Line Synthetics. The list can go on and on.

My personal opinion (and what I always use now) is the following:
Shaeffer Super 7000 10W30 and a Ford FL1A oil filter (although I prefer the K&N filters.)

Schaeffer lubricants are based out of St.Louis, MO., and are infamous on the drag strip, dirt tracks, as well the roads I burn up in Little Rock!

Also, your car takes 5 nice quarts!
Enjoy that nice 289!

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post #3 of 9 (permalink) Old 04-04-2005 Thread Starter
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thanks for the input!!!
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post #4 of 9 (permalink) Old 04-06-2005
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Don't use Pennzoil or Quaker State. They contain parafin. Parafin is essentially wax(the use it to clean guns and stuff). It's not actually wax until it is mixed with water, so if for some reason you get some condensation in your motor, it will turn to wax(yeah, the consistency of pudding pretty much) and it will really gum up your motor.
post #5 of 9 (permalink) Old 12-12-2010
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5 quarts of oil for the 289? thannks guys.. i will also try the 7000 10w 30 and the ford oil filter..

Da six7 Stinger
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post #6 of 9 (permalink) Old 12-13-2010
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Originally Posted by Acooljt View Post
Don't use Pennzoil or Quaker State. They contain parafin.
Are you still living in the 1920s? ALL modern motor oils are so highly refined that the crude classification has little, if anything to do what comes out of the refinery. Sure, Pennsylvania crude is paraffinic - big deal. The two crude classifications are parafinic and asphaltic. Are you claiming that asphalt makes a better motor oil? Also, octane and methane are technically paraffins and have little in common with candle wax.

I doubt there is enough Pennsylvania crude being used today that it really makes much difference to most people. Quaker State and Pennzoil are mostly just names from long ago; they are now owned by Royal Dutch Shell - that's Dutch as in Holland. When Shell bought the company it was headquartered in Houston, TX, not exactly what I would consider Pennsylvania. Most PA oil wells went dry decades ago which is why oil companies have headquarters in Texas.

If its inferior, why do specialty refiners brag about using Pennsylvania crude.

Brad Penn

From long ago I am an Army trained petroleum lab tech and have tested this stuff in the lab. All standard motor oils on the store shelf of the same type and rating are pretty much the same except for marketing. With minor differences they all meet the same test standards. Use whatever brand you think has the better looking bottle.
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post #7 of 9 (permalink) Old 12-13-2010
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so the answer here is use a synthtic oil such as mobil 1 because they have better lubricating ability?

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post #8 of 9 (permalink) Old 12-13-2010
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I feel that this question has not been properly addressed.

There have been a lot of changes over the years with engine oil, unfortunately not many for the good of our beloved collector cars.

If you have a very stock engine with stock lifters and valve springs, you might, I repeat, (MIGHT) get along fine with conventional oils. But if you have a high performance engine with higher than stock valve springs and a non roller valve train there are going to be some catastrophic engine failures come along!

Without going into this myself, here is a great oil site where the people are quite anal about engine oils! Read until you hope to never see the word (OIL) again!! The Brad Penn suggestion is a very good one!


I thought that I knew it all, Then I started working on a Ford!
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post #9 of 9 (permalink) Old 12-13-2010
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Castrol GTX 20W-50 and Motorcraft FL1A Oil Filter

2005 Performance White Mustang GT

1966 Candy Apple Red Mustang Convertible
C4 Automatic / 289 2v V8 C-Code Engine: Stock

<-- Click on the "HOUSE" to Check out my blog
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