The International Cessna 170 Association

Bruce, This was not an overhaul, just 4 factory new continental cylinder to match to 2 in the back we installed a couple years ago. We have a disassembled "parts motor" so we did try different rockers arms but it didn't help much. We reviewed this with our AI and a veteran of many overhaul...

We have have N4033V since 1982, so needless to say we have changed a few cylinders over the years (most were rebuild since we kept a few spares on hand) and never had an issue with the Pushrod clearance. We finally joined the 20th century and installed a set of factory new continental "Air Boss...