...BTW your Bieber avatar is awesome.-Malone
Around here using GM precups would definitely be breaking new ground. Definitely a similar injector design so it passes the first test! Sent from my HTC One XL using Tapatalk
AIUI,displacement / compression ratio = combustion chamber volume400 / 23 = 17.391304347826086956521739130435
Gotcha. I have made a few spreadsheets as well, taking into consideration gasket thickness, piston protrusion, cc's of the "Mickey Mouse" indention on the heads. I've spent some time playing with various possibilities to calculate CR's and/or figure out if particular pistons will work in a non-standard application.What would be really handy is knowing the cc's of the various pre-cups. If anyone has that info, it could prove valuable to anyone putting together a non-standard combination of parts.Right now, I'm inclined to rebuild my "extra" AAZ head with new AAZ pre-cups, but it's always nice to know all the options.Steve.