MS II front end cross memeber

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Originally Posted by Matthyj

Put in 4 or so, no problems but they all have been boxed where yours was not, one big problem mentioned on another forum from a expert was that there is no 4000 Mustang II's, and we tend to put these on heavier cars than the original design which could be beefed up a little. With that being said and many using strutless lower a arms. and then the back spacer isn't supported and fatigues the integrity of the crossmember. The solution is to add a bracket and put the through bolt in double shear on the lower pivot. On my latest car I did this because the weight of the hemi I put in, made me feel a little better when I hit a large bump, the picture is off another site and nothing I have done but you can see the bracket going from the frame to the back of the bolt, pretty easy to do and extra safety. Best of Luck Matthyj

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I like that rear bracket. Hadn't realized how much of that pivot shaft was offset and unsupported until this picture.

The best thing about the Mll front end is it was designed for the Pinto but they call it Mustang because of the Pinto fuel tank issues-


The overall best part of the design is the geometry package that is about the best you can get for a sensible street driven light weigh vehicle. Bump steer, brake anti-dive, etc.


But, as hot rodders do--------put it anywhere ---------in any size/weigh vehicle--------


I think that the situation that puts more strain than anything else is the twisting of the whole package under heavy braking plus hitting an occasional bump at the same time-imagine that someone has your arm twisted way around very tight and then hits you very hard in the shoulder---------these oem cars had little 13 inch wheels , small brakes and light weight---


A front suspension that stops a 3000 lb car from some high speed down to a quick stop is similar to a rear end/drive train that has to launch that car at a drag strip??