Here is a mild combo 370 in a truck.
http://www.performancetrucks.net/for...d.php?t=399574

 

6.0 iron block
bored .030 over
eagle rods and eagle crank
-2cc diamond pistons
L92s milled and ported to 64cc
ls3/l76 manifold
long tube headers
3 in corsa exhaust
custom cam .230/244/114lsa
waitin to be installed NX kit possible 200-250 shot
expection 480rwhp and close to 700 on spray