Sorry to bring this up. You may have a wiped cam shaft. The cam lobe has worn, you adjust lifter the cam wears down more you adjust lifter. See the cycle. You need a dial gauge to check the lift before installing new lifters.
Jim -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of John Nasta Sent: Tuesday, May 24, 2011 3:26 PM To: [email protected] Subject: [Chevelle-list] SB lifter question Hi everybody, Unfortunately I have what seems to be a collapsed lifter in my 69 El Camino. If I try to adjust it, I can turn it until it stops tapping, and then when I try to go the additional quarter turn, it starts tapping again. My question is, does the year of the block matter, or are all SBC lifters basically the same? It is a 1958 283 engine block. Most auto parts store computers only go back to 1968. What was the last year for the 283? I need to buy my parts and I want to make sure there aren't any problems/surprises. I looked up the 1958 283 engine specs here. It says: Valve Lift Zero Lash: Intake: .398 Exhaust: .398 http://www.secondchancegarage.com/public/628.cfm Also my parts list is: intake gasket set sillycone valve cover gasket set oil & filter lifter set (may as well change them all) Am I missing anything? Thanks, John Nasta Thanks

