Axle tube ?

May be a common question, but can anyone tell me the axle tube diameter of a dana 70 and 14 bolt rearend from a gm truck?

I want to build my own perch for a flip. I am a welder in a factory and we have 2 lasers at work so it won't be a problem to build.

Thanks

the dana 70 has a 4 inch diameter axle tube.

im not 100% sure. (i would have to go dig my 14 bolt out of the garage) i think the 14 bolt has a 3 inch axle tube.

^^^Correct.^^^

Sweet!

Thanks guys.
I already have some made for a 3" axle tube, that's awesome!

IIRC, the 14-bolt FF has 3 1/2" tubes, the semi-floaters are 3".

Ok, i'll check them out
Thanks

My 14 bolt ff has 3 3/8 axle tubes.