318 with a new 4” crankshaft.

Scody21 said
Your going through all of this and going to use the stock stamped rockers?

At least look at the comp magnum adjustable rockers for LA heads my

PROSTOCKTOM said
Since you're planning on changing out every component on the 318 you might as well change the block to a 340 or 360 block so you can buy some quality off the shelf pistons.

Using KB hyper pistons at 11 to 1, if they even make one for a 318 bore with a 4" stroke crank is just asking for trouble in my opinion.

Also are you wanting to make power or just sound like you have power? Using a Thumper camshaft is a very poor idea if you want real power production.

Tom

This project went sideways on me. I had just planned to put heads, intake manifold and a cam and found out. I had a hairline crack in block after all my pieces were together engine ran. and this was on a 318. I ended up having to take a block I bought for $100 to the Machine Shop and have it board over since I did all that I am considering just putting in a new crankshaft pistons and rods and turning it into a 392 and that’s what I want a 392. I know I can go over with the 360 and get to 418 but I want to 392 if I go this route. If not, I have a good crankshaft good rods, new bearings and I’m just gonna buy a set of pistons but for 1500 I can get a new crankshaft and rotating assembly to turn it into a 392 the more I’m finding out about this the more I just may leave it as a 318 40 over. If I have to get the crankshaft balanced and all set up, I do not have a good Machine Shop for that. I can’t even find somebody around where I live to recommend a Machine Shop only one that has been recommended is two hours away. First was sound now if I go this way I am gonna get a different cam. Possibly the lunati voodoo grind