[Old Guy with 87 GT]

ok ,thats what i was thinking ,thanks andy

let me make sure i'm on the right page .....

quench=the area the air/gas mix is sqeezed into on compression stroke......
wedge =the amount space occupied by the the pop up on the piston as it fits into the heads chamber ??

when you say .080=measurement of space between the top of the piston wedge and heads chamber

am i lost .......(he he, i know...engine building egronomics for dummies here)

jim.......now if .080 is ideal ,then isn't .056 a smaller tighter area ??

i'm kinda interested in this coversation cause i'm planning on a short block rebuild next month .......i'm not going real radical and i'm planing to keep most of my combo the same (stock cam stock heads)......i'm kinda trying to get some ideas for a few tricks to give her a little bit of an edge on a buget
i had plans on tinkering with the cumbstion chamber on my heads , but i wasn't going to do anything but mild polishing (knocking off the casting bumps and such)
i want to bump my compression up a bit ,but i havn't ordered pistons and i'm still open to learing a bit before i start spending hard earned money