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Every set I find that is worth owning are overpriced and most have been destroyed (ported wrong or cracked). Maybe I need to update my notions on prices. They will increase the power more than a little if you match the other components to the 4V head capabilities. Good luck on the hunt. Chuck
The stock 2V cam won't support the 4V heads. Which 4V intake do you have?
You are lucky to have 93 octane. only 91 here but, no ethanol. How mild or wild do you want this to be? What rear gear and stall speed? What piston will you be using? The Static Compression ratio and cam characteristics interact to arrive at a Dynamic Compression Ratio that gives some indication as to how well the engine will tolerate pump gas. There is a lot of effort involved in doing this if you want to end up with a near optimum combination of parts. Go slow, do the homework/research, verify what you think you know or are told, and find the most reputable machine shop that has experience building Clevelands. Don't use the low buck stock rebuilder. Chuck
Chuck, your comment about dynamic compression ratios got me to do something I've thought about, and that is to post a spreadsheet that calculates some engine stuff, including static and dynamic compression ratios. It's at:
This verse should be the first one placed in a Cleveland bible.
I have a set of 4v open heads that were done by a machine shop and are still wrapped in newspaper; never installed. I got them with a car I bought about 5 years ago. I don't know what as done to them. Could be a top of the line ported and polished job or a plain jane job. If I knew what to look for, I could tell you.
