Speedway axle weight limits???

I have a 50" speedway straight axle in my 65 falcon, i m looking to put an engine that weights about 750lbs in it. Where am i going to see problems at? I m building a truss for the axle so no worries there but my concerns are leafs, king pins, and shackles. Opinions?


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I've got a Speedway axle kit under mine with a 750lb engine and no problems. HRD

 

Maybe a call to Speedway themselves would be in order ?
Probably the right place to get the info.

 

Thank you, my biggest concern was the leafs, they seem kinda narrow compared to most but it is a pretty thick spring pack. I do plan to call them but I was kinda putting it off, I hate customer service lines, but if I remember right speedway is known for being better than most?


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I have a Chevy II with the Speedway axle and spring kit, I had to take out about half the leafs....with a blown big block....don't worry about it.

 

I agree, I have a 48" speedway in my '53 with a 409 over it. I too had to take out a couple leafs just to get it to bounce while jumping on the front x-member. I might have to take out one more. I believe you'll be ok.

 

Ok thanks guys! Were you guys happy with your speedway setup? I only have about 20 miles on my setup with the old small 6 cylinder and so far so good!


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It mostly works ok.

 

Is that like "almost just barely"

 

If you have the flat steering arms they leave a lot to be desired. check that the bend where it attaches to the spindle is round and smooth , some show a mark from the die and the bend is real sharp . I missed this and it broke right on the mark left by the die used to bend it.

 

mostly works ok, means it mostly works ok. There are a few minor issues with making everything fit, but since it's a "universal" kit, that's not surprising.