Did you check valve guide clearance whe nyou replaced the valve? Also did you replace the pushrod? Could be that it is slightly bent. Yes just as was explained in prvious post slow cranking speed will have lower reading.
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Bill Heiser
90 Convertable 5.0 LX, ported E7s w/ THumper valve job, TFS street, FR 65mm TB, B cam w/1.7 cobra rockers, kirban AFPR, Mac CAI, Mac Headers, off road h, 3 chamber flows, Crane ign. box, 3:73s, Art Carr AOD & 2600 converter
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