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Old January 21st, 2015, 17:02   #7
pestobanana
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Join Date: Nov 2008
Location: Richmond Hill and Waterloo, Ontario
Quote:
Originally Posted by MADDOG View Post
I am referring to where the nozzle slides into the front tappet groove (not the tappet plate itself), sometimes the nozzles are tight and level with little lateral movement (the tappet and nozzle become almost like one solid piece if it fits well), other times you can see significant nozzle play and any upward spring pressure on that nozzle at full extension will push it out of alignment. A tight fit in this groove counteracts this pressure and does not let the nozzle flex upwards as much.
Yep I know what you're talking about, I'm saying that the tappet being long and thin flexes a lot by design so it has minimal to no effect on nozzle wobble. The only way it would help with upward nozzle wobble is if it were too tall and pressed the back of the nozzle up on to the cylinder head, but then you'd run into tappet timing issues from it getting stuck. An aluminum cylinder head won't flex.
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