4/28/2024 0 Comments 1969 pontiac firebird shelfAn MSD Pro-Billet ready-to-run distributor, MSD Blaster SS coil, 8.5mm wires, and AC R45 plugs deliver the spark to the tune of 34-degrees total, all in by 2,200 rpm. The speed-density based system is controlled by a Holley ECM and was tuned by V8TV. Manley chromoly, 516 x 8.750-inch pushrods deliver the instructions of the 224/230-degrees duration at 0.050 Comp Cams hydraulic roller to PRW 1.52:1 roller rockers, resulting in 0.502/0.510 lift at the valves.Ī Holley Avenger EFI kit is mounted on a Professional Products aluminum Crosswind intake. Mild porting and hardened exhaust seats were added to the heads before SI one-piece, stainless, swirl-polished 2.11/1.77 valves and Comp 995-16 valvesprings were installed. A Melling high-volume pump and pickup works with a factory windage tray and pan to ensure proper lubrication. Keith Black hypereutectic pistons are wrapped in Sealed Power moly rings and feature a 17cc dish to reduce compression to 9.7:1 with the 72cc No. Its factory crank was refurbished and fitted with Tomahawk forged I-beam, stock-length rods. The code-Y4 '73 400 block was bored out to 406 ci and built by Schicantek Performance in East Troy, Wisconsin. Competition Engineering bolt-in subframe connectors keep body twist to a minimum. In the rear, DSE 3-inch drop-leaf springs feature De-A-Lum bushings, and QA1 shocks are employed. The spindles are stock, but the steering box is now a '69 T/A-style quick-ratio unit, and a Hotchkis 1.125-inch sway bar was installed to aid cornering. QA1 coilovers allow for custom spring rates and ride-height adjustability. Factory front A-arms were fitted with Global West Del-A-Lum bushings. Once the paint dried, wet-sanding from 800- to 3,000-grit was performed, and the 3M Perfect-It Polishing System was employed to bring out the shine.Īn eclectic mix of stock and aftermarket parts comprises the suspension system. Next, we wet-sanded the outer shell from 800- to 1,500-grit, transported Routy to a downdraft booth, sprayed two to three more coats of color, and cleared the whole body." Kevin says, "We sprayed two to three coats of color over the whole body and then cleared the jambs at our shop. Once the body was deemed straight, a coat of Dupont ChromaPremier 42440S Sealer was shot before the DuPont Hot Hues Red Hot Meltdown color. Three coats of Dupont Epoxy DTM Primer were applied to the bare metal and Chroma Premier 2K 32430S Primer over the body filler, which was followed by block-sanding with progressively finer grits of paper. We had to work every panel on the car, but the results speak for themselves." Steel was added to the front fenders to tighten the door gaps, and the door skins were extended for a proper fit. The reproduction steel Trans Am hood fit pretty well, but the scoop inserts required some attention, and the fiberglass Trans Am wing was reworked to fit to the quarters better. We spent considerable time reconstructing the filler between the bumper and hood to make it fit as tightly as we wanted. As First-Gen F-body enthusiasts know, the '69 Firebird has a very complex nose structure, and they didn't fit that well from the factory. Kevin explains: "The most difficult aspect was the bodywork and panel fitment. Ultimately, the trunk floor, quarter skins, decklid, package tray, doors, front driver's floor, firewall, fender bottoms, and dash center were replaced.īut that wasn't all. The body panels were stripped via sanding to uncover reproduction quarter-skins.Īs the primer came off, the list of required bodywork got longer. After scraping off the undercoating, the floors were media-blasted to reveal previous floorpan and trunk sheetmetal replacement.
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