Original Posted By: del magsam
Subject: Re: Rocker Arms>Ted,> Mine was like DG said, both the same. Oil up pushrod "thru" rocker,>lubing shaft, then on to spill out hole where it meets valve stem.>While you are at it , have you ever checked the total clearance with the>lifter compressed? This is a check that my mentor pointed out when I was>rebuilding my A65. He said many AP's don't even check this and it can be>the difference between a strong engine and a puny one. Mine was acertified>65 with 800 hours. Tore it down( didn't split the case) everything was in>spec, except this. Guess because everything adds up as you build the cyl.>assy, that this has to be checked, and adjusted by putting in longer or>shorter pushrods.( easily available).>I had three pushrod assys that were grossly out of spec. If gap too large,>means that valve isn't opening enough when running.>To do it,,,,> pull off housing covers that cover lifters> remove lifters Don't mix them up!!> disassemble them ( with a twist) and clean with like carb cleaner.>These have to stay empty during test.> put them back in place ( lube system has to be empty, or else theywill>refill when rotating engine)> for ease of the check, assemble cyl on case with gasket and tighten>enough to seat cyl "put"> put in pushrods , rockers, shaft. ( leave tubes off at this time)> now push down ( toward case) the rocker end on the rod, till the lifter>bottoms> measure the gap at the rocker/valve stem , clearance is in the book(if>you need it , I have it)> By memory, I think the tol. is .030" to .110" three of mine wereabout>.150">I was doing the whole engine, so by switching parts around, mainly the>rockers, I got it down to the three. Make sure at this time you mark all>the parts to the cyl, for final assy>walt evans>-----Original Message----->From: Ted Brousseau >To: Pietenpol Discussion >Date: Monday, October 25, 1999 11:48 PM>Subject: Re: Rocker Arms>>>>DG,>>>>Everything you say is true - in an ideal world. I have the manual. Iknow>>both rocker arms have the same number and are supposed to be alike. But,>>>>>>>>________________________________________________________________________________Date: Tue, 26 Oct 1999 15:41:34 -0700 (PDT)
Pietenpol-List: Fw: Rocker Arms
Pietenpol-List: Fw: Rocker Arms
Original Posted By: walter evans
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