Will I have to buy higher octane than pump gas if the compression is over 10cr..????... maybe I should use the aluminum heads on my 1969 vert 400 block and replace the # 6X heads on my 1968 firebird w/ a 1974 455cu.in in it with the #48 heads to jack the compression up on it...
I suggest buying Jim Hands book on engine rebuilding or a Chiltons manual or Sunnens guide to engine machining before you try to "jack it up".
You'll jack it up allright. The wrong way.
Si Vis Pacem Parabellum
1967 Starlight black PMD Engineering 400 Auto 1968 Alpine Blue 400 4 speed 1968 Verdoro Green 400 HO 4 speed 2013 1LE 2SS/RS Inferno Orange Camaro.
