Chassis Stiffening

AJ/FormS said

What I discovered with my fb 68 barracuda is that the rear glass and support works oseems to make the car quite heavy.It does, however help to get it to 47% rear weight bias It was hard to get my S down to 3256 # .I could lose a bit more if i tossed the GV, but that aint happening.
The Duster is likely 200 lbs or so lighter, with all same trim.Thats a lot of weight to have to get moving/stopped.

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I doubt the '68 fastback is heavier than a '76 Duster. The shock bumpers alone on that car add over 100 lbs. If it were an earlier Duster I'd believe it, but after pulling some of the later model parts off of my '74 and replacing them with the '71 versions I doubt it. Still, not too surprising that the glass and the extra support work weighs more, another reason the notch's are a little better suited. But unless you're going to get really competitive it won't be that big of an issue.

And again, it also depends on what you're going to be doing. The USCA, for example, has a class cut off at 3200 lbs. Get down under that and you're racing against some really light cars.