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Technical
Which pushrods?
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<blockquote data-quote="Orange72" data-source="post: 531722" data-attributes="member: 20067"><p>Can't comment on the zero lash theory but if the valve gap ( noise is increasing ) as the engine is getting up to temp then run it up and re adjust to correct gap at full temp </p><p>I have built a few type 4 motors and always suffered with a bit of tappet noise with origional push rods, but on my last build 2270 I had to use chromoly rods but also used swivel foot adjusters</p><p>Quiet as a mouse, ish</p><p>But better than stock</p><p>I don't know if it's the better surface area of the swivel feet on the valve heads, but it makes sense</p><p>Ball top to socket on push rod end to rocker, flat surface from swivel foot to flat surface on valve head</p><p>Just a thought</p></blockquote><p></p>
[QUOTE="Orange72, post: 531722, member: 20067"] Can't comment on the zero lash theory but if the valve gap ( noise is increasing ) as the engine is getting up to temp then run it up and re adjust to correct gap at full temp I have built a few type 4 motors and always suffered with a bit of tappet noise with origional push rods, but on my last build 2270 I had to use chromoly rods but also used swivel foot adjusters Quiet as a mouse, ish But better than stock I don't know if it's the better surface area of the swivel feet on the valve heads, but it makes sense Ball top to socket on push rod end to rocker, flat surface from swivel foot to flat surface on valve head Just a thought [/QUOTE]
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Which pushrods?
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