Hi all any help appreciated.1700 xflow.1300 pistons.stage 4 race head. Twin 40 dellortos 244 cam twin chain double valve springs steel rocker posts.theres hell of a racket coming from i believe rocker area.there adjusted as kent spec for cam.what would cause this noise ie wrong post size. Not useing steel shaft.push rod legnth.other than noise engine pulls v well and set up on rollers making 141bhp@6400 revs 124ft torque.any ideas as the noise is unbearable its that bad.plus you cant hear noise when on rollers or from outside.and i can soften noise over certain revs in diff gears.cheers
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