That was my 1991 Camaro Z281LE. Sold it back in 2001. GM made a very few of them for just a few years. They came from the factory with some Corvette parts(brakes, oil cooler) and I modified it so I could compete in Driver's Schools. It had a 6-point roll cage, window net, aluminum driveshaft, Optima Battery in the rt. rear 1/4 panel, Shock brace up front, welded unibody sections, hogged out intake, Crane Gold roller rockers, cammed, chipped, stainless steel exhaust; manifolds to the tips, MDS ignition box, etc. Used wider, lighter wheels and BFG R1s at the tracks with Hawk pads.
The engine was limited to 305 ci(though mine was bored out to 310 ci which was allowed) as this series of Camaros were to be raced in the now gone Trans AM series. I had it balanced and blue-printed. Never dynoed it so I never knew its output. Only used synthetic oils.
From the factory it came without A/C and no radio though I added a radio. 5-speed of course with a shorter lever. It surprised a few sports cars at Roebling Road(upper pic) and Road Atlanta(bottom pic).
Here's why I sold it in 2001:
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That's my 2001 F150 Lightning. The last one was made in 2004. They come with an liquid-cooled Eaton supercharger, special auto-tranny, aluminum driveshaft, and A/C

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I upped the boost with a larger crank pulley, changed the air filter to a ram-cool-air intake system and chipped it. It dynoed at 401.9 HP and 502.1 Torque at the rear wheels. I ran it to several 12 second 1/4 mile passes with my best at 12.531@108.9. The only things I changed at the track were the rear wheels(to 16" race wheels) and tires(MT ET Streets), otherwise, it was my daily driver as was the Z281LE(even with no A/C!)
Dan