1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

valve adjustment help

Old 02-21-2013, 08:19 PM
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valve adjustment help

I just finished rebuilding my 289 and have a question on how you guys adjust the valves. When I adjust the valves I tighten them until the pushrod still can spin.
Thanks in advance
Old 02-21-2013, 09:19 PM
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I assume you have adjustable rockers since you are asking this question? After putting the cam on the base circle, I tighten until all slack is removed (pushrod will still spin easily), then preload lifter another 1/2 turn for a street motor, 1/4 with rowdier cam profiles that frequently see higher rpms.

Attached are instructions from Ed Curtis of Flowtech Induction. He is a very respected custom cam guy. Not as simple as some instructions you may find, but this method gets you on the base circle everytime.
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