Guys,
Is the time for me to readjust the roller rockers on my '69 351W Are we using still same adjustement as described bellow (zero lash) or what is the best adjustement.
Loosen ALL the rocker nuts a few turns. Start with #1 cylinder, rotate the engine until the balancer reads TDC on the compression stroke (that is the next TDC rotation AFTER the intake valve opens) Grab the pushrod between your thumb and first finger and rotate it as you tighten the adjusting nut until you feel the rotating pushrod get tight. You want to achieve zero lash and stop turning the nut as soon as the pushrod just gets a bit tight. Do not tighten it so it compresses the piston in the lifter. Then add 1/2 to 3/4 of a turn (use the 3/4 if you don't want to ever have to open up the engine and do this again) Then do the same on the next valve in line on the same cylinder. Then rotate the engine until the next cylinder is at TDC on the compression stroke. repeat the above procedure for the rest of the engine, just going down the rows one at a time. The entire job takes about 15 minutes.
Is the time for me to readjust the roller rockers on my '69 351W Are we using still same adjustement as described bellow (zero lash) or what is the best adjustement.
Loosen ALL the rocker nuts a few turns. Start with #1 cylinder, rotate the engine until the balancer reads TDC on the compression stroke (that is the next TDC rotation AFTER the intake valve opens) Grab the pushrod between your thumb and first finger and rotate it as you tighten the adjusting nut until you feel the rotating pushrod get tight. You want to achieve zero lash and stop turning the nut as soon as the pushrod just gets a bit tight. Do not tighten it so it compresses the piston in the lifter. Then add 1/2 to 3/4 of a turn (use the 3/4 if you don't want to ever have to open up the engine and do this again) Then do the same on the next valve in line on the same cylinder. Then rotate the engine until the next cylinder is at TDC on the compression stroke. repeat the above procedure for the rest of the engine, just going down the rows one at a time. The entire job takes about 15 minutes.