This will be a fun project...
Pretty unique motor mounts!
Sanderson make's some block-hugger shorty headers that might work for you - or you might want to look at some Ram's Horn style Corvette exhaust manifolds..
__________________
Regards - Randy
Turning money into hydrocarbons for over 40 years
1969 Camaro-SS 4spd "Numbers Car"
1970 Nova-SS PRO/Street "Blown BBC" $old
1965 Ford GT40 - RCR40 #45 "331 - Webers"
1999 Victory V92C #106 / 1982 Honda CBX
http://www.GT-Forty.com