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H. P. Bruns 4 February 9, 1970

Several items were added and modifications made to improve
overall efficienc including:

a. Permanently mounted NASCAR and AM radios and
antennas.

b. Remote radio speakers with volume control.

c. Five-drawer file cabinet for working per onnel use.

d. A O ompressor for carburetor work.

e. A small vise for holding carburetors.

A C L ortable volt ohm meter for electrical checks.

Special System Development

a. Driver Seat Su pension

Variou spun TO rate flat torsion rd o r-i for the Bostrom seat
were fabricated and sent to CEO-HP for heat treat.

Shock absorbers are being procured with a range of damp-
in O T n ontrol rates for the seat.

b. Vehicle Thermal Insulation

The Charger Daytona test vehicle was insulated with
1
— > o cn ed cell polyether-urethane foam underneath and on the interior firewall
and oil tank bulkhead.

This material '■ pr ays on as a liquid and foams in a c e It
has a density of 2 pounds per cubic foot and a thermal K factor of 0. 12. It
meets ASTM Code No. D1692-59T for non-burning materials.

B. Plans for February 1970

1. Test Operations

a. The test car 096 will be rebuilt and prepared as a backup
race car for the Daytona 500.

b. The former Charger 500 test car 046 will begin buildup on
tn econcl priority basis as an automatic trans mi tn O test car with Daytona