GERMS Posted May 2, 2014 Report Share Posted May 2, 2014 Will this 82-83 280zx work for a front and back 1977 620 disc brake conversion (beebani's conversion) ? Quote Link to comment
flatcat19 Posted May 2, 2014 Report Share Posted May 2, 2014 No. Search. Well covered. 2 Quote Link to comment
mklotz70 Posted May 2, 2014 Report Share Posted May 2, 2014 The mounting tabs are on the sides instead of top/bottom. You'll need to go a bit older... '79? Quote Link to comment
GERMS Posted May 2, 2014 Author Report Share Posted May 2, 2014 Flat cat show me where, it's not well covered. I've searched 10 plus threads on 280zx master cylinders. mklotz70, thanks for your reply; no one has the 15/16" 79-81 280zx (raybestos) master cylinders anymore. :sleep: If the tabs are the only issue, is that m/c steel/aluminum? I could possibly weld vertical tabs on it. Quote Link to comment
ggzilla Posted May 2, 2014 Report Share Posted May 2, 2014 Its well covered - it says to use the 1979-1981 unit. No need to get Raybestos, a rebuilt unit from any company will work. $26 http://www.rockauto.com/catalog/x,carcode,1209293,parttype,1836 Quote Link to comment
mklotz70 Posted May 2, 2014 Report Share Posted May 2, 2014 Try using google to search ratsun. I typed this into the search box on google...... master cylinder disc 620 conversion;ratsun.net .....and got this as the first and third hit....this thread came up second. http://community.ratsun.net/topic/47538-upgrading-master-cylinder-to-handle-full-disc-brake-conversion-frontrear/ http://community.ratsun.net/topic/27500-disc-brake-mc-conversion-question/ Rockauto has them. Napa has them online for $46 with no core and no reservoirs. You can also use the '79 620 m/c.....7/8 bore. Quote Link to comment
GERMS Posted May 3, 2014 Author Report Share Posted May 3, 2014 lol yes those are all the threads I've read, like I said, I know that the recommended m/c is the 79-81 280zx m/c, but I asked whether the 82-83 could work (not well covered) I've seen the master cylinders without the reservoirs and well without reservoirs they're kind of useless to me lol. Unless anyone knows where to get the reservoirs? Since I'm doing both front and rear conversion I think the 15/16 would be better than 7/8 (7/8 might bee too spongy) Still wondering if the 82-83 will work if I can re-weld the tabs (just not sure since it's a uni reservoir) . My guess is I can. Will it be okay if I get the one without the reservoirs and use my 77 620 ones? They're smaller than the 280zx's. Quote Link to comment
GERMS Posted May 3, 2014 Author Report Share Posted May 3, 2014 Although I've realized they have this available and it's 15/16" CENTRIC Part # 13042604 Does it matter in my application if the reservoirs are that kind compared the the bigger squarish ones? Quote Link to comment
GERMS Posted May 3, 2014 Author Report Share Posted May 3, 2014 Kay thanks ggzilla, that's what I'll go with! Quote Link to comment
mklotz70 Posted May 3, 2014 Report Share Posted May 3, 2014 I think some of the 620's or 280's in the years when they first switched the tabs....had an adapter. I'm guessing you'd only find it in the scrapyard.....which is where you can pull the reservoirs from. Any of the datsuns around that time used reservoirs with the same diameter mounting. Quote Link to comment
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