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- 1979-04 Mustang Griggs Racing Standard Upper Subframe Connectors and Bulkhead Stiffeners ('79-'04) - Doesnt include lower subframe connectors.
- This is the first step you should take to improve performance
- Allows your suspension to function properly
- Decreases frame twist under acceleration
- 79 to 04 Mustangs have a notoriously weak chassis. Take a close look at a Mustang that has been run hard. The doors may not close right, convertible tops do not line up and the alignment shop has trouble getting the car to drive straight. Road race and auto cross cars can actually get shorter from hard braking. If you want your car to remain rattle free, strong and you want to get the most out of other chassis and engine mods, you have to connect the frame sections with something beefier than sheet metal. Sub-frame connectors are a requirement. They are also inexpensive. Griggs racing offers several different types:
- Griggs Lower Subframe Connectors. 79-04 These are an absolute minimum. They connect the front and rear subframe.
- Griggs Upper Subframe Connectors. 79-04 These work in conjunction with the lower subframe connectors to form a much more rigid chassis. Large gains in rigidity are possible due to being tall in a vertical plane. Think of this like the floor joists in a house. You could try a zillion 2x4 under the floor, but if they were only four inches deep, such a floor would never be strong. Yet, a few 2x12âs make incredibly strong floors because of their deep vertical span.
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