LS6, ported by GMPP, 2.00 intake, 1.
#2002 firebird full
Shades of the baddest 427-cid Baldwin Motion and Nickey Chevrolet Camaros from the late '60s and early '70s-with full exhaust, A/C, and power everything. with a set of slicks, and the same results could be expected from any Phase II Formula. However, GMMG says one of its customers managed an 11.76 e.t. Though its primary duty is this kind of PR, the Formula has made its way down the dragstrip once or twice, and managed mid 12-second e.t.'s at 115 mph. This has proved invaluable at Road Atlanta when Year One's Pat Staton takes on passengers upon request for a few Parade Laps. Sergey, a troubled young private, is counting the days till his military service ends. The stock driveshaft and 10-bolt rear are more than sufficient for the prototype's normal street driving and high G-maneuvers, however the stock brakes have been upgraded with C5 front calipers and Stainless Steel Brakes slotted rotors at all four corners. Firebird is a touching love story set in the Soviet Air Force during the Cold War.
A custom tune by GMMG, TTS 1.75-inch Jet Hot-coated long-tube headers, a Y-pipe with high-flow cats, and an underdrive crank pulley take advantage of the souped-up 11.5:1 compression LS1.Ī SPEC Stage 2 clutch and pressure plate were needed to contain the spunky Gen III motor, which scoots to redline with help from a GM lightweight flywheel. Meanwhile, a COMP Cams custom grind hydraulic roller that GMMG says is in the neighborhood of 228 degrees duration and 112 LSA is a great compromise between streetability and performance. The factory style ASA-spec heads use only 2.00 intake and 1.55 exhaust valves combined with enlarged runners to boost flow. Moving on to Phase II, GM Performance Parts CNC-ported LS6 heads and a COMP Cams valvetrain were to be the primary influences on a sum total of 425 rear-wheel horsepower (455 at the crank) and 399 lb-ft of torque. The stock throttle body was ported and polished as well to better suit the stock LS6 intake and 346-cube mill. GMMG's signature carbon fiber airlid and chambered exhaust were both a must for exclusive performance, sound, and appearance. As per Phase I specs, GMMG replaced the stock 3.42 gear with a set of 3.73s to get the LS1 into its powerband. For the next phase of the build, as with all Year One Formulas, the prototype was sent to nearby GMMG, which has had its finger on more than its share of special edition Fourth Gens.
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