Editing 1937-1957 Buick Oldsmobile Pontiac suspension upgrade (section)
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==Solutions== Most attempts to gather advice will result in one of two stock answers: Mustang II or some type of GM subframe. In this application, the standard Mustang II recommendation may be misguided. It can work well on Chevys, however, their straight frame rail makes installation straightforward, and the weight is within specifications. For BOPs the frame rails are neither flat nor straight. There is also a built-in spring pocket, which requires modification of the frame rails. And, there may be a weight issue. The GM subframe approach is definitely viable, and some would say the best possible solution. If you have the tools, welding and fabrication skills, and your car is stripped to the frame, it might indeed be your best option. But if your car is assembled with the engine in and fenders on, or your fabrication skills are minimal, or you just don't like the idea of hacking your frame, the information in this article may be useful to you. [[image:41 frame bump good pic.jpeg|thumb|left|400px|Built in spring pocket on the frame]] <br style="clear:both"/>
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