Re: I can't tell if it's a 3.8 and 3.9
BINGO! venoms rite! and all mods will fit buddy! i have a 3.9! what kinda stuff you looking to do?
04' mustang 3.9 40th Anniversary Edition- (V2 Vortech Supercharger, 38# injectors, 3.73 gears w/ T-lok, Predator Diablo, Mac cold air intake, Port & polished upper AND lower intake manifold, Mac Long Tube Headers, Mac o/r H pipe, flowmasters, 2.5 flowmaster tips)
03' Mustang GT (20" Cobra R's, 40 series Flowmasters)