Guys,
For what it's worth... My car still has the original SpeedVision World Challenge style "rewards weight" ballast trays in it, which accept ballast plates that are 3"x12-13" in length...

Rather than using lead, what I did was go to the steel yard and pick up some 3" wide steel of various thicknesses and had sections cut into 13" lengths. I then drilled two holes in each to line up with the mounting holes in the ballast trays.

A 3"x13"x 1/2" piece of steel plate weighs just over 5lbs, so I am able to stack them to get the appropriate weight. With this achieved, and were I to actually have to add weight for IT (was using ballast for the Radial Sedan class I run as a second group), I'd just tack weld the appropriate number of pieces together to meet the minimum weight rule...

This was a cleaner and cheaper solution than trying to put together 80lbs of lead...

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Darin E. Jordan
SCCA #273080, OR/NW Regions
Renton, WA
ITS '97 240SX