MustangWorks.com : Ford Forums - View Single Post - Why do I see some high performance engines w/ breather caps on the oil spout??????

Stang_ROTY · 08-14-2001, 03:08 PM

Why, in the magazines, do I see breather caps on higher performance 5.0's and 351's instead of oil caps?? What does the breather cap do? Can I use it as a replacement of the PCV system? Will the engine run without the PCV? I'm really trying hard to avoid removing my lower intake to install the baffle plate, if possible.

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Finally DONE!!
93 GT, 393 stroker w/ Edlebrock Performer heads and EFI, 30lb injectors, Dynamic Roller Mite C4, 8 pt cage, Sothside Machine bars & Sub-frames, 3.73's, '69 351W block w/SCAT crank.

08-14-2001, 03:08 PM	#1
Stang_ROTY Registered Member Join Date: Feb 2001 Location: Berkshire County - Massachusetts Posts: 735	Why do I see some high performance engines w/ breather caps on the oil spout?????? Why, in the magazines, do I see breather caps on higher performance 5.0's and 351's instead of oil caps?? What does the breather cap do? Can I use it as a replacement of the PCV system? Will the engine run without the PCV? I'm really trying hard to avoid removing my lower intake to install the baffle plate, if possible. ------------------ Finally DONE!! 93 GT, 393 stroker w/ Edlebrock Performer heads and EFI, 30lb injectors, Dynamic Roller Mite C4, 8 pt cage, Sothside Machine bars & Sub-frames, 3.73's, '69 351W block w/SCAT crank.