Kenny Hirth’s 1977 Mustang Cobra II

This beautiful ’77 Mustang Cobra II owned by Kenny Hirth is all new from the ground up. A full tube chassis (25.4SFI mild steel) 4-link rear suspension with QA-1 adjustable coilovers, Moser aluminum case & 31 spline axles and 4.10 ring & pinion. Wilwood disc brakes. Strange strut front suspension and disc brakes. The wheelbase has been stretched 4″ firewall & engine set back 12″.
American Trackstar wheels, fiberglass frontend, hood and both bumpers. The frontend was modified to accept factory grille & headlights. The tranny is a LenTech AOD strip terminatorII with full manual valve body and break. These shots were taken right after the paint work was finished. The colors are Blazing Copper & Pueblo Gold.


Below is a photo of the engine I built to power it. It is a 414 cid. windsor. It is a production block (’74 casting), it features billet steel cncd 4 bolt splayed main caps on #2 3 4, as well as a billet steel valley girdle by Bessel engineering, who also preformed the rest of the machine and ballance work. The block is stuffed with a Canton windage tray, blueprinted Ford racing HV oilpump, ARP main studs, King pro series rod & main bearings, Eagle 4340 forged crank, Probe 4340 forged lightweight I-beam rods with ARP2000 rod bolts, Mahle coated forged pistons. Comp Cams XE292 mechanical roller cam & Endure-x lifters, & Hi-Tech 5/16 chromolly pushrods & cloyes hex-adjust timing set. The heads are AFR 205, Probe 1.76 shaft rocker arms,ported Edlebrock Victor JR intake, and a 750 Mighty Demon carburetor.
I want to thank Jeff Hayes @ Purple Hayes race cars and Mike Thomas @ J&M Auto body.
