I need to add 200lbs of weight to my Super Seven clone TT car to be classed in U2. Should I put all the weight in the center of the car or distribute 50/50 it closer to the axles front and rear? It will be mounted on the floor using 50lb ingots. The car is perfectly balanced right now and I want to try to keep it that way as much as possible.
Could you bolt a thick steel floor under it? Low and near the C/G is the best plan.
Safety first. Use super attachment methods to hold that load in place. 200# has a lot of inertia.
Center. Always.
Unless you need to balance the car.
Well it worked out. 200 Lbs of lead more or less in the middle of the car. Scaled out at 1,771 lbs. 53% rear bias and within 0.5% left/right with a full load of fuel and driver. I discovered E85 is heavier than straight gas. I have a 52lb fuel load with a full 8 gallon ATL cell. I can burn off almost 4 gallons and still make minimum weight of 1,750 for U2 TT. Very happy with the result. Now just got to make sure the lead stays in the car if things go sideways (or inverted).
Find a girl from Wisconsin to ride shotgun.
There is a trick to drilling 3/4" holes in lead ingots, but 200lbs securely mounted and car is corner weighted and scaled spot on at 1777 lbs with 8 gallons of e85. I can burn almost 4 gallons and make minimum weight. Sometimes things work out the first time.
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