Posted by Steve@Advance on March 03, 2021 at 10:22:17 from (24.182.105.128):
In Reply to: 8n valve adjustment posted by Grandpa love on March 03, 2021 at 09:47:16:
The adjustable lifters are much simpler. You have to grind down a wrench to hold the lifter body and turn the adjusting screw to get the correct clearance.
The cam must be on the base circle (the part away from the lobe) there is a formula for setting the engine at certain positions and setting certain lifters, but I prefer to just turn the engine through with a feeler gauge in the gap, turning it and adjusting until you find the loosest position. That way you KNOW it is right and not relying on turning and counting and possibly getting off track.
Without adjustable lifters you have to grind the stem of the valve to get more clearance, grind the face or seat to get less.
The problem with that is you can only adjust them with the head off and able to remove the valves. Real good chance once it is started and run and everything settles in, the clearance will change. Or if you get one wrong, it all has to come apart to readjust it.
If the retro fit kit are not too expensive, I would highly recommend it. It also get you better guides that don't break.
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