ams7 Posted April 12, 2011 Share Posted April 12, 2011 My master cylinder broke and leaked onto my breakbooster. ebay has new ones but for 150$ looking for 78 280z Brakebooster. Quote Link to comment Share on other sites More sharing options...
zedsn Posted April 12, 2011 Share Posted April 12, 2011 I have one from a late 240z that I believe is the same for a 280. It looked the same as my 76 280 that was in my car. If interested let me know. Quote Link to comment Share on other sites More sharing options...
BenJammin Posted April 14, 2011 Share Posted April 14, 2011 I have one from a late 240z that I believe is the same for a 280. It looked the same as my 76 280 that was in my car. If interested let me know. 240Z booster is smaller in diameter than 260/280 and bolt pattern is different too. I have one from a 260Z that was holding good vacuum, should be the same as 280, I'll get you some pics up this evening. Quote Link to comment Share on other sites More sharing options...
zedsn Posted April 14, 2011 Share Posted April 14, 2011 Sorry but I beg to differ. The early brake boosters yes but the later ones I believe have the same bolt footprint and are same size. Quote Link to comment Share on other sites More sharing options...
BenJammin Posted April 15, 2011 Share Posted April 15, 2011 Okay I stand corrected, the reference I had was my 12/71 production 240Z with the smaller one (and the supposed 260Z one I bought that didn't work out). Here are the part numbers from RockAuto, so apparently there were splits from 71-72 and again in '73 (not in '74 on the 260z like I thought). They don't list the booster for the 260Z, but the part number for the '75 280Z booster is the same as the late '73 240Z. 535245 70-71 535246 72-73 (7 inch) 535104 73 8 1/2 Quote Link to comment Share on other sites More sharing options...
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