I have a '70 that I put a 383 into, new flex plate and TC. Removed my old TH350, bought a freshly rebuilt one, and put it in this weekend. I now have a loud, consistent knocking coming from the upper section of the bellhousing that wasn't there before. Sounds loudest right where the engine meets...

I have drums all the way round people is telling me to change my brakes setup to disc brakes but I didn't won't to lose the value in the car can some one help me or give me some suggestions on what I could do to get my drum brakes to stop the 350 in it .

What would cause a yellowish stain around the entire base of an aluminum manifold?

So I have been trying to measure my pushrod length for the 388 build I'm doing. I put light springs on the valves and have followed the Straub YouTube video for setting proper rocker geometry to a T. I get 7.2" for pushrod length. When I put my adjustable rod at 7.2" and cycle the engine over...