How do we get those #'s?

 

They should be listed right on their website, most filter companies have that all listed. I couldn't find the toughguard on their website though, that's why I'm confused.

 

Challenge Accepted.

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Called Fram, they have an ExtraGuard filter that flows 3 gal/min and a ToughGuard that flows 3 gal/min also.

Fram Tech Support. 1 800 890 2075 spoke to a Linette, very helpful and fast, professional

 

These are the filters used by the International Truck shop I used to work for.

 

Not liking that filter, no bypass valve on the top.

 

Check out at 1:38 into the video.

 

While flow rates are very important, for this specific application the filter design itself is also very important. I was going to talk all about it, but then Lilpooh posted this fuggin awesome video!!!

Dude, that is great!

 

I wonder who competitor A & B are

 

Here is one.

 

Pretty much anyone but Ford/Motorcraft or Fram. I have used Amsoil filters in the past, but even know I probably wouldn't use them again.