duckapin Posted January 31, 2013 Report Share Posted January 31, 2013 Hello all, as the title says I'm trying to find a pair of brake drums for my 1964 L320. My understanding is that 520 drums are the same, but 521 drums are not. They need to be in good condition, and I'll need them shipped to Reno, NV 89502. Please let me know if you've got a pair of drums that you can part with and hopefully we can make a deal. Thanks! Link to comment
Conner Posted January 31, 2013 Report Share Posted January 31, 2013 Do you need two or all four? Shoot me a PM, I may be able to help you out. Link to comment
duckapin Posted February 1, 2013 Author Report Share Posted February 1, 2013 PM sent. Link to comment
DanielC Posted February 1, 2013 Report Share Posted February 1, 2013 I could be wrong, but I though 521, and even 620 brake drums were the same dimensions as 320 and 520 brake drums. Link to comment
twiztedintentions Posted February 2, 2013 Report Share Posted February 2, 2013 Rock auto? That's where I got mine.. Link to comment
duckapin Posted February 2, 2013 Author Report Share Posted February 2, 2013 Thanks for the replies. I have been searching for information on 320/520/521/620 compatibility for a few hours, but I haven't yet come across anything conclusive. My local auto parts store told me that the 521 drum dimensions were different, and it may or may not work with the 320. Rockauto hasn't got anything for the 320 or 520 at the moment, and I'm hesitant to spend on a 521 drum without a greater sense of surety. twiztedintentions: Did you buy 520 or 521 drums, and did they fit your 320 with no problems? I think I may open the question in the 320 section and see which combinations members have made to work. Failing that, I may have the local auto parts store order me in one 521 drum and do the gamble myself. Link to comment
datsunaholic Posted February 2, 2013 Report Share Posted February 2, 2013 They're the same inner drum diameter. The lug bolt holes for the 620 are slightly larger, but the drum centers on the hub, not the studs. I put a 620 drum on my 520 with no issue. Link to comment
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