SCR7 thank you

[Chevy454]

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They never ever really supertuned a car. They would make one pathetic blast down a track and then add headers, then after that set the timing and curve, then change jets etc etc, instead of sticking with it to see what it could do.

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So true...but, I have found exactly 1 instance where they tinkered with a virtually stock car to see what she would/could do. It was done by SS&DI, Nov '68, and was the start of their "Project Camaro" series. Here's the run down...

Test: '68 Z/28, ordered with 4.30 posi, spoilers, M22, power disc brakes, and floor mats. Total cost: $3,686.55

- Heater assembly & AIR pump removed, due to the car being in an accident just prior to starting the project. Everything else was rebuilt as it was from the factory.
- It was given a general tune-up (points/valves checked, etc), rev box (set at 7600), set of Stewart Warner guages, and a 340hp Corvette distributor. Stock Wide Track GT Goodyears and stock exhaust manifolds are still in place...car is basically as it arrived from Chevrolet.
- car weighed 3165 with 12 gallons of fuel aboard.
- Very first run was a [email protected], which proved to be the worst ET and MPH for the car that day.
- Valves run, new set of AC43s, car cooled down..it then runs a 13.99 @106.50, then a [email protected]
- Dropped air pressure in tires to 22psi, installed Champion J6J plugs, and timing reset to 40 degrees. Made 3 more passes, best of which was a [email protected].
- Rejetted to 72/70-76 and new J63 plugs, and the car goes [email protected].
- Installed Champion HO3 plugs, replaced air cleaner, let the car cool off, then went a best of [email protected].

So, in a matter of a few hours, they managed to knock off 6 tenth just by fiddling with the car. And that's mid 13s with a pretty strong MPH, on the skinnies, and through the stock exhaust manifolds. Unfortunately, most people spend the few hours they *should be* tuning instead installing a set of headers or a bigger carb or...