I6FAN wrote:Plectan Wrote:
How about the HESCO combustion chamber[cc] is it like the stock, or is it custom (I know Lee says: Anyhthing you want, just $)? To me, the stock cc is okay, but not great. A LS style fast-burn cc would be a great improvement. My plan is to take an AHC and sink the valve seats ~.060-.100", and then re-carve the area around each the intake and exhaust so that each valve head sits down in a "miniture hemi". I don't know if the stock head could take that much though. That chamber design is essentially a LS style, fast-burn combustion chamber which is very popular. The June issue of Hot Rod features a 460 Ford Racing block based 429 Boss with Kaase heads that utilize this style cc, as the original used a "semi-hemi" (oval hemi with opposing quench pads). So my point is it must be a pretty good design.
The head is basically stock, including the combustion chmbers. 55 cc i think. You actualy want samller chambers if you can get them. Because the Hesco head is emissions compliant, they do not stray much from the stock piece. You can shave the hell out of it though, i took .050 off of mine and could probably take another .o50 without a problem. Every .007 you remove reduces te combustion chamber by about 1 cc.