I bought a 1985 190e from a guy with a hole in the block. I replaced the motor and now it cuts out under heavy throttle. It did this with the old motor also. I tried a new coil and overload relay but still have the same problem. Any suggestions.

Also, I have a 1988 190e that was wrecked and I removed the motor to get the bodywork done. When I repladed the motor it would only start when I primed it and runs with the rpms held at around 3000 and up. I can't find an air leak which i assumed it is. I checked all the hoses and boots, but can't find any leaks. Any suggestions.

thanks
dragan