Valve Adjustment
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It's really pretty easy......assuming they are hydraulic adjustable.....
Pull the valve convers & start the engine......
with the engine idling, (one valve at a time) loosen the locknut on the adjuster ( visually obvious), rotating at 1/4 turn at a time, loosen the adjustment until you hear 'clacking"...it's loose, then tighten, slowly, 1/4 of a turn at a time until the clacking is gone...then slowly tighten an additional 1/4 to 1/2 of a turn (no more than 1/2)....you will typically find the engine will run "sweeter' at a certain spot....you'll know when......tighten the lock nut and you're done!
Pull the valve convers & start the engine......
with the engine idling, (one valve at a time) loosen the locknut on the adjuster ( visually obvious), rotating at 1/4 turn at a time, loosen the adjustment until you hear 'clacking"...it's loose, then tighten, slowly, 1/4 of a turn at a time until the clacking is gone...then slowly tighten an additional 1/4 to 1/2 of a turn (no more than 1/2)....you will typically find the engine will run "sweeter' at a certain spot....you'll know when......tighten the lock nut and you're done!
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bigdan1979f-250
Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460)
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10-04-2012 09:01 AM