Re: Finally starting my 5.3 swap!!
Generally when measuring for a driveshaft, you measure from the center of the rear u joint cup to the end of the tailshaft on the transmission. BUT, I would call what ever drive line shop you plan to use and ask them what measurement they want, since some shops do things differently. Also, you're going to basically be building a new shaft since you cant lengthen the tube, you'll need to re-tube it, and since that will require them to cut the ends off on a lathe, it may be more cost effective to just have one made, especially if you're planning on shipping your driveshaft to them.
Also, probably should have removed the broken exhaust manifold bolt before putting the engine in the truck, seems like it will be harder to get to now?
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