I had a '64 LeMans convert. It had a 326 and the 2 speed. It blew off the oil pan one day. I put in a 400 with a M20 out of a 70 firebird ( I also added HEI) along with 3.2somthing gears( from the 2.60 ) turned it into a fun car.

It would be to hard to do th... Login to read more.