The 3800 is well modded. lets see I did, Ported Supercharger and machined snout now has a 2.6 pulley the intake is ported there is a 2.5 intercooler, northstar throttle body ls1 maf comp cam xp hot cam cometic mls headgaskets and head studs 42.5 injectors, pretty much just need a tune. it should be good for 370-400 wheel