The 605 boxes werent that great when they were brand new. Switch to the 800 series. I bought rebuilt units for both of my cars that were made by a company in MN called Lares. They have a website. I ordered close ratio boxes for a Monte SS. You can buy them through rockauto but shipping the core back would be expensive. I bought mine from Advanceauto or Autozone. Its been a few years so I dont remember which. The core from the 81 was a 605 and when I brought it back it didnt seem to make a difference.Pretty sure it's the 605. Will confirm when I get home. Not finding many available matches online. Anyone know if the 800's are interchangeable, or what other gm vehicles used the same boxes?
O.E. rims and nuts here. Torqued to 100 ft/lbs. He's lucky he didn't lose a wheel at 60 mph. That would downright ruin someone's dayMy friend had a 79 Cutlass changed the rims and had the wrong lug nuts for the rims we went 2 years and 2 steering boxes and changed the whole front end and took it to Winnipeg front end and they told us we had the wrong lug nuts felt stupid but it fixed the loose felling in the steering good luck
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