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29AVEE8 · 09-05-2018, 05:10 PM

The info that I have comes from an old Roger Huntington publication (How to hop up Ford and Mercury V-8 engines).

Intake opens 22 BTDC Closes 66 ABDC, by my calculation that is 268 duration. Overlap 40 degrees.
Exhaust opens 62 BBDC Closes 18 ATDC, by my calculation 260 duration.
Overlap 40 degrees.
Intake lift: .315
Exhaust lift: .305

If you would like to know more contact Elgin Cams, 707-545-6223 and ask for Dema. He professes to have been a protege of Ed Winfield and should have more data.

09-05-2018, 05:10 PM	#5
29AVEE8 Senior Member Join Date: Dec 2010 Location: Redlands, CA Posts: 148	Re: Winfield SU 1R N The info that I have comes from an old Roger Huntington publication (How to hop up Ford and Mercury V-8 engines). Intake opens 22 BTDC Closes 66 ABDC, by my calculation that is 268 duration. Overlap 40 degrees. Exhaust opens 62 BBDC Closes 18 ATDC, by my calculation 260 duration. Overlap 40 degrees. Intake lift: .315 Exhaust lift: .305 If you would like to know more contact Elgin Cams, 707-545-6223 and ask for Dema. He professes to have been a protege of Ed Winfield and should have more data. __________________ Ignorance of the laws of physics does not mean they do not apply to you.