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Originally Posted by Mkelcy
I'm curious why notching down to less than 1" wide either the stock sheet metal rear "frame" members or the Autoweld Chassis 2" x 3" tubing is "correct" for a 1500 hp application? I'm not an ME, but the notching would seem to compromise the strength of those frame members to resist both side loads and torsional loads.
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I don't know how much load is really on the rails, but I am pretty sure DSE didn't design them for 1500 hp cars. At that power level you have a full-on race car and should probably have a full frame in the car.
Jody