motor

Help! I have a 66 Riviera with a 425. 29,000 original miles. When I accelerate slowly there is a knocking in the motor. More of a knock than a ping. I put premium through it still there. Replaced the lifters they were fine. Just happened to leave a vacuum line for the heater controls off after...

does anyone know were to get a new or remanufactured unit? did they use this on other makes or models? LMK

Hey Guys I have a 76 Buick skylark s/r. I blew the engine this last marchh and I dont know what I should do. I see this as a great oppurtunity to upgrade to The 350 preferably sbc "/ sorry guys lol. But I was wondering what complications if any will I run into when doing the swap. LuckilyI work...