First thing was check the engine. I tried to turn it over by hand and it moved. So, I squirted some Marvel in the cylinders and hooked up a battery. She turned over about 1 turn then stopped. I couldn't move the engine either way. No matter what I did. So, through the process of elimination, I checked the clutch, stuck brake, trans (pulled it), then pulled timing cover to see if chain was binding....NOTHING.
So I finally bit the bullet and pulled the head. To my dismay, #4 cylinder was full of some sticky/oily stuff. It was holding the piston in place. I cleaned it out, felt a few minor pits. I ran a quick hone on it....and walla - she was free.
I figured since I was that far, the trans was out to pull the engine.
Notice the filled cylinder - Marvel Mystery Oil
#4 Cylinder junk
Cleaned it out.
I was a bit bummed and figured the engine needed a rebuild, but...I chanced it and decided to move forward. I inspected the engine further, cleaned the piston tops and found the engine was .040 on the pistons & you could still see cross hatch marks on the cylinder walls. Definitely freshened up at one time. That was great inspiration.
So I pulled the engine and decided to throw a new complete gasket kit on it. New Head Gasket, new front and rear main seals, oil pan gasket; the works. As for the head, I cleaned all the carbon out of each cylinder, put new valve seals in and did a quick lap on the seats. The guides were pretty tight...what the heck...it was already out. While the engine was out, I also pulled every plug, replace every freeze plug and flushed out the water jackets....it was CAKED with yuck and rust flakes that resembled corn flakes for breakfast.
I even yanked the cam since I took the timing chain off earlier and checked the lifters. I numbered each one and put them back in their place with some fresh assembly lube.
Then a quick wire wheel and paint job. I know its not the factory blue, but it was what I had on hand.
Rebuilt the Carb:
A quick note: Put the head on before install or you risk jolting a lifter out of its hole like I had. I had to fish the lifter with a magnet and move it over 2 spots back into its hole. What a pain!!!
While poking around in the cargo area, I found this...I was happy. Cool Dome light...probably an add on.... Just like new!
I got the motor back in....here it is running! I know, the last thing I need to do is adjust the valves. Sounds like a little diesel engine! No smoke either out the tail pipe! I was real concerned that 4th cylinder was going to give me problems. The can run forever!
(Click to hear motor run)
One issue I'm having is the accelerator pump on the carb. its real tight. any idea on how to make it more responsive? I notice the rod slides on the selector plate on the linkage so its not a 'direct' push like the early carbs. Suggestions? It causes a delay in the accelerator leaning out the engine when you stomp on the gas.