a guy in our club put one in the back of his truck (under the bed) he used the stock blazer crossmember and then he welded them in. it took him all about 45 minutes. i would make one suggestion, you might want to use the 24 gal. tank instead of the 32, the 32 gal. hangs down alittle more and if you have a soft suspension the rear diff. housing will hit the bottom of the tank, and one more, you will want to put a skid plate on it. you can modify the ones that come stock in the blazer to fit tighter against the 24 gal. tank. the one thing you have to think about after all the work is done you wont have to worry about the side saddle bombs getting all tore up.