I'm getting another set of heads for my . They are milled .020. Is there any mods I ned to make for them to work, or will they just bolt on?

 

Did you put in hardened pushrods (7.40") when you put your cam in? That is the only thing I can see that you need to check with the milled heads. Even if youdid put in 7.40, you should be fine with only .020 milled off. Just get some new gaskets and get to work.

 

With the smaller base circle on your cam and the 20 off heads you will be ok with the 7.4 rods. Most of the time to maintain proper valve train geometry its a good idea to get a pushrod length of like 7.425 to make up for the smaller base cam.

 

I'm not too good with the numbers like BK and 99, but the heads will be a direct swap out. They are almost identical to mine. There's room for improvement if you want to play with them. I'll show you.

 

Sounds good. I needed new pushrods anyway.