Bowie
SPONSOR
West Milford, NJ
Not a super cub but I know you guys are the sharpest tools in the bunch. So on my M6 with the O-540J Lycoming, I'm having a problem with one rocker cover leaking. The cork gasket began leaking on two covers, I replaced the gaskets on cylinders 2 and 4 with silicon gaskets, cylinder 2 is doing fine but cylinder 4 held for one flight and then started leaking again. In the last two months I've peened and sanded the original cover with fine grit on a flat pane of glass, swapped out the original rocker cover with a new rocker cover, tried a second silicon gasket, installed a cork gasket with sealer and still leaking, not much but enough to make a mess of the exhaust, firewall and belly of the plane over time. I don't know what I'm missing, I'm at the point where I'm considering using the following gasket maker as a last resort. Anyone care to chime in?
https://www.permatex.com/products/g...t-makers/permatex-optimum-black-gasket-maker/
https://www.permatex.com/products/g...t-makers/permatex-optimum-black-gasket-maker/