Outer Limits 4x4 Board

Hi all, i have jst bought myself a 40 series from nsw/vic, which has had few mods, photo's will b comin soon. As i have to get it mod plated in the shity state (4 mods)qld, i need to kno the distance between the top of the diffs to the bottom of the chassis on a stock 40 series. Also if any1 know the load rating of the stock spring that would be great too.

thanks korrie

need to know more details on the 40

year
bj / fj
engine

its a 1980 fj with a v8, has coil springs tht have been engineered in nsw but i'm try 2 get it blue plated for qld

these pics might help
you will notice a 20mm height diff stay in the middle and you should be right

thx MrGrim. tht should help me out