Daz Posted August 17, 2011 Author Share Posted August 17, 2011 (edited) Does anyone know if the 83 280zx MC is the same bore ? I ordered that kit from Carpartsdiscount.com for $29.73 shipped so we'll see, I should have it by Friday ! If it does fit with no issue's, I have an extra already cleaned 15/16 MC housing with resviors & caps that I'll sell for $25 if anyone is interested ! Edited August 17, 2011 by Daz Quote Link to comment Share on other sites More sharing options...
mutantZ Posted August 18, 2011 Share Posted August 18, 2011 Not sure on the bore but the bolt pattern is horizontal. Opposite of the s30 booster. Quote Link to comment Share on other sites More sharing options...
Daz Posted August 18, 2011 Author Share Posted August 18, 2011 Not sure on the bore but the bolt pattern is horizontal. Opposite of the s30 booster. Sorry ! I meant the bore size I know the bolt pattern is opposite. Quote Link to comment Share on other sites More sharing options...
mutantZ Posted August 18, 2011 Share Posted August 18, 2011 Seems to be the same, at least according to this part listing. http://www.autopartswarehouse.com/shop_parts/brake_master_cylinder/nissan/280zx.html Quote Link to comment Share on other sites More sharing options...
Daz Posted August 18, 2011 Author Share Posted August 18, 2011 Seems to be the same, at least according to this part listing. http://www.autopartswarehouse.com/shop_parts/brake_master_cylinder/nissan/280zx.html Yeah I should be getting the rebuild kit on Friday. I'll throw it in and take pics, I hope it fits cause otherwise $29.73 down the drain. Quote Link to comment Share on other sites More sharing options...
Daz Posted August 20, 2011 Author Share Posted August 20, 2011 So I checked on Paypal today to see if I got a tracking # and I noticed they refunded my money ! So that's a NoGo too ! Quote Link to comment Share on other sites More sharing options...
cygnusx1 Posted August 20, 2011 Share Posted August 20, 2011 That sucks. Quote Link to comment Share on other sites More sharing options...
cygnusx1 Posted August 20, 2011 Share Posted August 20, 2011 So the "wrong" 15/16" masters have mounting bolts lined up horizonatally? Is that the problem? Maybe there is a way to adapt them, adapt the booster, or make and adapter plate and an extended the push rod... I never thought about it much but it seems like it's time to start thinking. How about going with a Wilwood master, considering it an upgrade? Quote Link to comment Share on other sites More sharing options...
Daz Posted August 20, 2011 Author Share Posted August 20, 2011 So the "wrong" 15/16" masters have mounting bolts lined up horizonatally? Is that the problem? Maybe there is a way to adapt them, adapt the booster, or make and adapter plate and an extended the push rod... I never thought about it much but it seems like it's time to start thinking. How about going with a Wilwood master, considering it an upgrade? Its cool because I have 2 MC, one only had 1 piston with decent rubbers, the other had both pistons but one of the rubbers was kinda tweaked. So it just so happen its the same as the 1st one. So I'm good for now ! I would like to try again to see if I can use the kit from an 82-83 ZX or a 720 truck just from a different company, maybe rockauto or summit ! Quote Link to comment Share on other sites More sharing options...
mutantZ Posted August 21, 2011 Share Posted August 21, 2011 I started this other thread a few days ago. Might be of interest to you guys. http://forums.hybridz.org/index.php/topic/101722-82-83-280zx-booster-and-master-swap/ Quote Link to comment Share on other sites More sharing options...
Daz Posted August 26, 2011 Author Share Posted August 26, 2011 (edited) Here are Rock Auto options that MIGHT work? These are for the 1984 720 truck 2.4L 2389cc L4 2BBL. !! NOT SURE IF THEY WORK ON ZX MASTERS !! They look similar. Please confirm if they work for you. DORMAN Part # TM351674 {#46011C7025} RAYBESTOS Part # MK1674 So I went to Rock Auto and I ordered DORMAN Part # TM351674 {#46011C7025}. It just cam in today so here are the pics ! As you see the the new one is slightly longer(about an 1/8") on this one. And on this one the original is slightly longer(about an 1/8"). So I think we have a winner ! The overall size is the same and the piston diameter is the same(no I didn't put a micrometer on it). This kit cost me $24.97 shipped and comes with this: I just need a diagram of where everything goes cause mine didn't have everything that this kit gave me. Edited August 26, 2011 by Daz Quote Link to comment Share on other sites More sharing options...
cygnusx1 Posted August 27, 2011 Share Posted August 27, 2011 Definitely give it a shot. !!careful!! with the test drive though. Keep us in the loop. Quote Link to comment Share on other sites More sharing options...
Daz Posted August 27, 2011 Author Share Posted August 27, 2011 (edited) Definitely give it a shot. !!careful!! with the test drive though. Keep us in the loop. Yeah I'll keep you all in the loop. I need to put it all together and get my booster back on the firewall and finish my rear brake conversion. The little bag of replacement parts does not fit the MC. The nozzle parts are too big and the C-Clip does not fit either(too small). I kept those parts from my old one so I should be alright ! Edited August 27, 2011 by Daz Quote Link to comment Share on other sites More sharing options...
mutantZ Posted August 31, 2011 Share Posted August 31, 2011 Any word on these pistons working? I am about ready to swap over to the later model 280zx master and booster. So far all my attempts at a 79-81 master are coming up empty. Quote Link to comment Share on other sites More sharing options...
Daz Posted August 31, 2011 Author Share Posted August 31, 2011 Any word on these pistons working? I am about ready to swap over to the later model 280zx master and booster. So far all my attempts at a 79-81 master are coming up empty. The piston itself is in and seems to fit and work just as stock, but the hardware that comes with it does not fit(C-clip, springs,nozzles,O-rings). I just reused my old. Quote Link to comment Share on other sites More sharing options...
Miles Posted September 14, 2011 Share Posted September 14, 2011 (edited) My 79 280ZX MC finally started leaking. After a week of searching, I was able to buy a new 79 280ZX MC from Autoparts world: http://www.autopartsworld.com/results/?PN=5554&VN=4294967250+4294967085+4294965736&N=0&Nr=AND(universal:0)<A class=bbc_url title="External link" href="http://www.autopartsworld.com/results/?PN=5554&VN=4294967250+4294967085+4294965736&N=0&Nr=AND(universal:0" rel="nofollow external"> My old Nissan factory 280ZX MC will be used as a spare, so I am having it rebuilt through Rock Auto Cardone Remove and Rebuild program. About $40. Now I need to find a source for the booster....... Edited September 14, 2011 by Miles Quote Link to comment Share on other sites More sharing options...
sito Posted September 14, 2011 Share Posted September 14, 2011 (edited) CENTRIC Part # 13042604 More Information About this Part Centric Premium [Flag indicates this part fits vehicles sold in the US Market. It does not indicate where the part was made -- manufacturers produce parts in multiple factories worldwide.] [Flag indicates this part fits vehicles sold in the Canadian Market. It does not indicate where the part was made -- manufacturers produce parts in multiple factories worldwide.] Part Image $157.79 $0.00 $157.79 Add to Cart this is from Rock Auto, would this be a suitable replacement for 15/16 Master Cylinder? http://www.rockauto.com/catalog/x,carcode,1209316,parttype,1836 http://info.rockauto.com/getimage/getimage.php?imagekey=1616324&imageurl=http%3A//info.rockauto.com/Centric/13042604.jpg I'm also looking for the 280zx 15/16 master cylinder upgrade and can't find many places with it in stock... Edited September 14, 2011 by sito Quote Link to comment Share on other sites More sharing options...
sito Posted September 14, 2011 Share Posted September 14, 2011 Also this one too... Last Master cylinder on page the Raybestos http://www.autopartswarehouse.com/shop_parts/brake_master_cylinder/nissan/280zx.html 1979-1981 Nissan 280ZX Brake Master Cylinder - Raybestos - Raybestos PG plus Part Number: RAYMC39277 Manufacturer number: MC39277 Raybestos Brake Master Cylinder Raybestos Brake Master Cylinder zoom zoom List Price: $172.81 Our Price: $146.45 You Save: $26.36 Free Shipping Quantity: RAYBESTOS PG PLUS PREMIUM GRADE BRAKE MASTER CYLINDER, ALUMINUM, NEW -- 2 outlets, M10 x 1 primary outlet size; This is a high quality, OE replacement brake master cylinder; With Raybestos limited warranty. Fit Note: Car Series: Raybestos PG plus Warranty: Raybestos limited warranty Condition: New Quantity Sold: Sold individually Fits the following 1979-1981 Nissan 280ZX submodels: but there are no specifics on whether its a 15/16 or not... Quote Link to comment Share on other sites More sharing options...
Miles Posted September 20, 2011 Share Posted September 20, 2011 My 79 280ZX MC finally started leaking. After a week of searching, I was able to buy a new 79 280ZX MC from Autoparts world: http://www.autoparts...AND(universal:0)<A class=bbc_url title="External link" href="http://www.autopartsworld.com/results/?PN=5554&VN=4294967250+4294967085+4294965736&N=0&Nr=AND(universal:0" rel="nofollow external"> My old Nissan factory 280ZX MC will be used as a spare, so I am having it rebuilt through Rock Auto Cardone Remove and Rebuild program. About $40. Now I need to find a source for the booster....... Don't buy from Autoparts world. Many problems. Quote Link to comment Share on other sites More sharing options...
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