i use the Harbor Freight "purple" gun often. just used it moments ago with my drive. (rustoleum, hardener and acetone to thin)
turn your pressure up to 45psi. you need more air.
what type of compressor do you have?
could be coming from anywhere.
could be a bad transom, bad transom shield seal, bad bellows, bad exhaust y-pipe, leaking screw hole, leaking thru-hull fitting, etc.
dry the bilge, get a flashlight and look
the answer to nearly all Mercruiser questions are in the stickies at the tops of the forums.
https://forums.iboats.com/threads/must-have-technical-information-for-diyers-an-work-safe-search-version-of.335378/
and if you dont like reading, Achris posted these vids a while back...
do you have a cam card?
My 1988 motor got an upgraded flat-tappet cam and vortec heads
vortec heads only care if the cam lift is above .420. then the heads need some machine work.
OPIE and NMMA has been pushing to keep E15 out of equipment and motors for over 12 years now
Its not good in any non-multifuel system
Its not a performance thing, its a your motor will fail type of thing. Small engines for lawn and guarden and marine have had warning stickers for the past decade
Gutten tag Rainer
Here is the translated text
Hello, my name is Rainer 72 years old and I'm from Germany and my english is very bad 😩 sorry.
I have a lot of time to tinker and I am buying an American motor boat, 1962 Bell Boy Ballerina with a 1963 Evinrude Big Twin 40 engine, love it.
I think...
