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Moderator/Admin Dude!
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There was a contentious debate on FB today about the Ford OEM oil separator that comes with the CFTP and handling package cars versus aftermarket catch cans. Some stated that they would never drain the captured oil back into the engine because it had fuel, gases and condensation in it. I replied that the separated/captured oil is no different than the oil in the crankcase and that Ford designed a closed-loop system to simply return the oil from where it came. The maker of a well known catch can for these cars piped-in proclaiming how bad the captured oil is. Then, none other than Billy Johnson himself posted the below reply. Billy Johnson is the race car driver that worked with Ford Performance designing the 2020 GT500 and was instrumental in developing its track manners.

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I don't road course my 14, & after 7 years of ownership, I have never seen the volume of oil described in Billy Johnson's text..
 

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I don't road course my 14, & after 7 years of ownership, I have never seen the volume of oil described in Billy Johnson's text..
Same here. I've never accumulated a large amount of oil in my past GT500's or GT350 after a track day. Maybe the new 500 pushes more oil into the separator than 07-14 cars do.
 

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Same here. I've never accumulated a large amount of oil in my past GT500's or GT350 after a track day. Maybe the new 500 pushes more oil into the separator than 07-14 cars do.
Higher RPMs, more boost and more horsepower with the new GT500.
 

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Discussion Starter #9
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.......................I'll give the rpm's.
Is your 2020's boost over 19.2 ?
Is your 2020's wheel hp over 780 ??
My response was to Mike’s statement that he never accumulated much oil in his previous GT500s or current GT350 after a track day. The cars he was referencing were stock, as is the 2020 GT500 I am referencing. Of course you can mod an S197 or 2020 GT500 to have much more power, which changes the debate. You could even mod your 2014 to have the same 7500 rpm limit.

We are seeing 1000 rwhp+ 2020s on the street now. I’m sure their blow-by oil is even higher.
 
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There's nothing to stop anyone from draining the oil back to the crankcase with a bung on the oil pan. Except for the JLT all have a drain that usually has a pet cock. It just beg's the question why you would want to recover it? I'd rather add a couple ounces after track day than reuse that distillate. If you're using more than that, you need some rings.
 

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My response was to Mike’s statement that he never accumulated much oil in his previous GT500s or current GT350 after a track day. The cars he was referencing were stock, as is the 2020 GT500 I am referencing. Of course you can mod an S197 or 2020 GT500 to have much more power, which changes the debate. You could even mod your 2014 to have the same 7500 rpm limit.

We are seeing 1000 rwhp+ 2020s on the street now. I’m sure their blow-by oil is even higher.
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My response was to your post telling Mike that higher rpm's, boost, & hp = more blow-by.
Using my 14, stock or not, seems to disprove your theory, more boost & hp doesn't = more blow-by..
As mentioned in post 11 by Catmonkey, " If you're using more than that, you need some rings. "
 

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My response was to your post telling Mike that higher rpm's, boost, & hp = more blow-by.
Using my 14, stock or not, seems to disprove your theory, more boost & hp doesn't = more blow-by..
As mentioned in post 11 by Catmonkey, " If you're using more than that, you need some rings. "
I guess the 2020s have have bad rings then. :rolleyes:

Some more info from Billy Johnson for interested 2020 owners:

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2B0DF12A-A807-44CF-9B88-7692D16434EF.jpeg
 
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Your can is not just catching oil. So if your question is only if you should put that back in the motor, I would say Hell no!
Does it harm it? Maybe not, but if you ever look at the contents of the can, you wouldn’t want to drop it back in the motor. ESP not to a $100k+ car.
 

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Your can is not just catching oil. So if your question is only if you should put that back in the motor, I would say Hell no!
Does it harm it? Maybe not, but if you ever look at the contents of the can, you wouldn’t want to drop it back in the motor. ESP not to a $100k+ car.
Explain to me then how the oil in the can/separator is any different than the oil in the oil pan.
 

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Great thread and future resource when discussing the Ford system. Tim, I appreciate the quotes from Billy Johnson and how thorough he was in his responses and explaining the system. I can't imagine running a different setup. He is posting information from his experience in development and also the engineers present working on the system. That is a LOT of knowledge.

Tom
 
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