70 dart 14" rallye rim widening

did a pair once when lack of funds prohibited me from buying new ones; took 2 14'' rusty wheels [centers were good-rallys] ground welds off on back side of wheels [time consuming] then with bench grinder ,took centers and took excess weld off, had a set of old fenton 10 '' mags did same to them[have to be steel-weldable] [wheels need to 1st be chkd for straightness/warpage] laid 10'' wheel on level surface and placed prepped center to desired backspacing, then with 3' level on wheel and 6'' level on center took black majic marker and marked each point[ there are 4 points to be welded] each point needs to be marked to match each other, such as 1-2-3-4 on center and 1-2-3-4 on inside of wheel for matching when u weld it, just tack weld each point then mount wheel on car[no tire] and spin and chk for straightness, if wobly, redo or chk wheel for straightness, if done properly will work 1st time, if all is good then weld backside but only small increments at a time[ 3/4'' then go to opposite side of wheel and weld then come back to each point in sequence] dont get carried away with long welds 1 3/4--2'' at each point is sufficient, then take to tire shop and have put on balancer without tire, if not balanced with in 1/2 oz have them mark where it needs weight and weld more in that area at the weld points [backside of course] then recheck, one more thing which i shouldve mentioned 1st, weld up valve stem hole and grind down for u will most likely relocate new one[ just redrill] had them blasted and primed-painted- ran crap out of them for 2yrs street and trac since have sold car but is still going after 4yrs. no problems, did all this in my garage and help from local tire shop, aint something I'd want to do all the time but it can be done , I'm sure I'm not the 1st to do this, warning requires lots of time and lots of checking and rechecking must be precise but very doable, just take ur time and dont get in a hurry---just my 2 cents worth,[ cheaper to just buy the freakin wheel.versus the time and effort...but when ur poor and its cold outside and u want wheels a man will go to great lengths to accomplish a goal for his MOPAR