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ford engineers put those holes there for a reason...

You say all this stuff but can't actually back any of it up...

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you want to fill us in on how the wrong oil will destroy our engines? Plenty of people aren't following fords spec...

Coming soon....can't wait to see the details. Nice to have another option!

So which weight oil did you mean when you just said USING THE WRONG WEIGHT/VISCOCITY ENGINE OIL CAN DESTROY YOUR ENGNIE. You need to be more specific when you say we should be using what's in the manual.

So all oils are created equal. Got it. btw how long will it take, say, 5-40 to "DESTROY AN ENGINE"? asking for a friend

You have an entire build thread where you modify the car. But you won't give any reason why the oil should not be changed other than 'because ford said'. Why? Why is it okay to change everything else?

Let's refer to that owners manual you keep mentioning

Can't think of a reason the blower itself would be any different.

If you think about it, factory everything is straight. Factory tires? Ass. Factory brakes? Ass. Factory radio? Ass. MT-82 fluid? Ass. Suspension? Ass. Exhaust? Ass! Engine oil is different why? No engineers work on the other shit?

But...the entire forum is based on modifying EVERY OTHER PART OF THE CAR lol The Motorcraft oil is the holy grail

going to run it at the track? Would be interested to see the gains

Two things, though. ford changed the oil spec for the 650 back to 5W30 after being 5W20 for the longest and they spec different oils for the non-USA market. Why's that? The mighty ford engineers think oil is different in Europe or Oz? also what's the supercharger have to do with it? It doesn't...

Varies over the years. Track pack etc cars with the exact same engine as the regular GT something similar is in the ford racing supercharger instructions

Also, doesn't it count for anything when those same Ford engineers recommend a different viscosity oil when running the car hard?

what does "proper" even mean?

all the grandmas use the same recipes?

Have you seen the test results and data from all the oils they've ran in those engines? Do you know why they chose the oil they went with? did all the engineers unanimously agree? and I ask again, it's okay to change other parts of the car but not the oil?

Not an "engine designer" but the same place as your dad and get to hear every day when engineers complain about all the BS they have to deal with and interference they get with their decisions. So you're saying, bar none, what Ford lists in the owners manual is the ABSOLUTE BEST oil you can put...