280Z/Zx booster

75er

Club Member
Got a slight leak in my brake booster on my ‘75 280z so replacement time. However I'm confused as to what brake booster I currently have in there. The MC bolt pattern doesn't match the original 280z booster, as it only has 2 horizontal bolts, but the housing doesn't match pictures I've seen for the 280zx booster. Any ideas? Don't want to order a new booster & find out out it won't couple to my MC!

(Yep, I know it looks like some brake fluid has been leaking from the MC & crystallised around the pushrod. I think it must have been a previous MC because the current one seems solid).
 

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Huw

Club Member
Looks like a late 280zx 81 onward master cylinder I would guess. Early 280zx (79) master cylinders had bolts holes vertical, later were horizontal. Booster no idea, doesn’t look 280ZX.
 
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