1982 Buick Regal Grand National LS2
Engine: A stock 6.0 liter LS2 from a 2008 Pontic G8 GT and refreshed with an LS3 cam and LS6 valve springs. Hooker cast iron exhaust manifolds, a Hooker Black Heart G-body dual exhaust system with an X-merge. Holley cast aluminum LS-to-G-body retrofit oil pan. The LS-to-1978-1988 G-body engine mount brackets are from Hooker.
Transmission: Chevrolet Performance 4L65E automatic transmission and Supermatic 2,000 rpm stall converter. A Hooker 4L60 transmission cross member nails it down.
Rearend: A complete G-body Ford 9-inch from Quick Performance houses a clutch-type Traction Lock differential and 3.70 gears. Ford-sourced disc brakes. The Driveshaft Shop built the custom 3 inch diameter steel linking the 9 inch and 4L65E transmission.
Suspension: Stock replacement Dorman front control arms, QA1 coil springs and KYB gas shocks deliver a stock ride height. Out back, the stock control arms were boxed using weld-in web braces from Bear Metal. A QA1 rear sway bar, SPC Performance Pro Coil springs and KYB gas shocks.
Wheels/Tires: 14×6 cast aluminum wheels that were one of the first GN’s key identifiers. They mount to 215/70R-14 Radial T/A skins from BF Goodrich.
Paint/Body: Goodmark Industries reproduction chrome bumpers and bumper gap fill plugs from Highway Stars help hide the federally mandated 5-mph bumpers. A Glasstek fiberglass power dome hood shaved 20 pounds off the nose. GN’s 1982-only two-tone paint scheme.
Interior: The refreshed stock interior retains the GN-specific leather seats, plus dove gray carpeting from ACC. A used 1985GN console shift lever and quadrant indicator window suit the overdrive transmission. As a reminder of how very far we’ve come, the original government-mandated 85 mph speedometer is retained.
Performance: on the SMG Motoring DynoJet chassis dyno the mildly modified 6.0 made 369 hp @ 5500 rpm and 376.4-lb/ft of torque at 4600 rpm.
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