74 dart swinger weight reduction

Thank you.

The regular bumper brackets up front do have a steel plate sandwiched between the brackets & bumper, if I remember correctly. That can be removes for some weight savings without any custom work, You can also "swiss cheese" the front brackets. But please don't get carried away, especially with other parts of the car. You still have to maintain some degree of structural integrity. In fact, it's usually recommended to add frame connectors to Mopars because the bodies flex under hard use. Over time you get broken frame/body welds, cracks at body seams, and more issues. I made that mistake with my first race car. But also consider the safety factor on the street.

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The rear "shock absorber" brackets aren't much heavier than the regular style. It's the inner reinforcement I posted a photo of that add a LOT of weight. But if you will be doing mainly bracket racing, the extra weight in back will help consistency, which helps predictability leading to more round wins. But it's your choice.