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[Datsun 1200 encyclopedia]

Brake Booster Swaps

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Category: Brake Modifications

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= B210 Booster = = B210 Booster =
-USA B210 uses a type M45 Master-Vac with 4.5 inch vacuum diaphragm. It is the same as the 610 booster except for a different vacuum hose fitting.+Some B210 models use a type M45 Master-Vac with 4.5 inch vacuum diaphragm. It is the same as the 610/180B booster except for a different vacuum hose fitting.
Booster Jidoshakiki Co. Ltd. Bendix License Booster Jidoshakiki Co. Ltd. Bendix License

Revision as of 11:04, 8 August 2015

A booster will not improve the braking ability of the car. But you may want one so that it is a bit easier to press the brake pedal.

Contents

Overview

With the light weight of the 1200, you don't need one (the pedal effort is not high on a 1200). Note that even on heavy cars, a booster doesn't make the brakes stop the car sooner, but only makes it easier to press the pedal (although on many cars such a large diameter master is fitted, it becomes nearly impossible to press hard enough if the booster stops working) If your small brakes are locking up now, a booster will only make them lock up faster with less pressure on the pedal!

7657.jpg

Factory Brake Booster was used from October 1989 in Sunny Truck.

See main article: Brake Booster
What follows is for swaps from other cars

Swap choices include:

  • Lancer LA/LB or B210 booster for easiest fit into a stock 1200
  • Mitsubishi/Chrysler Galant
  • B210 Brake Booster & cylinder, was fitted to many disc-brake B210s. In Australia, you can use a 120Y dual system master cylinder and a 180B (610) booster
  • B310 (1979-1982) booster and master cylinder (13/16 inch). Need to modify firewall mounting point as these have four bolts
    You may need to modify (lengthen/shorten) the rod that comes out of the booster. Use a depth gauge (bit of stick) and make sure that the booster rod sits nicely inside the master cylinder. The booster is exactly the same internals as the 180B booster. Any larger booster, and you've really got to start cutting into the strut tower. reference: Sunny brake booster
  • 260Z master cylinder (7/8 in diameter)
  • master and booster from a Toyota Celica on a 1200. mareospeedwagon had to drill holes in the firewall to mount it but it worked real well.

Booster Spacer

Extra-long booster spacer:
15980.jpg

Mitsubishi Lancer 1970-1980

The Mitsubishi LA or LB Lancer booster with its master cylinder is a straight bolt-in, though you may need to drill a slightly bigger hole in your brake pedal to fit the new pin through. It will fit next to a clutch master cylinder.

LA Lancer (1970-1976), also known as:
* Chrysler Valiant Lancer (1973-1976)
LB Lancer (1977-1979)
* Dodge Colt (earlier Colts were Galants)
* Plymouth Arrow (coupe version)

3605.jpg 3606.jpg 12906.jpg

Photos showing install of Lancer Booster
3606.jpg7657.jpg
If you use a Datsun master cylinder with the Lancer booster, you may need to dent the strut tower in a little in order for the booster to fit.

LA/LB Lancer brake booster bolts straight up to the firewall, and the brake pedal, all u need is to get some brake lines made up. It uses 2 holes to bolt to the fire wall by way of a factory aluminum adaptor bracket.

To use the Datsun master cylinder with a lancer booster, you probably have to do some machining work. The outside diameter of the Datsun part is slightly too big for the front of the Mitsubishi part. A friend of mine machined down the master cylinder, but now I'd get the Mitsubishi bit made to suit the master cylinder. The part I'm referring to is the alloy casting which bolts to the front of the booster, and that the master cylinder bolts onto.

2945.jpg 14905.jpg 14906.jpg

reference: what brake booster is the best fit for a 1200

Corolla Booster

Booster and master cylinder from circa 2000 Corolla, installed into Datsun 1200.

th_IMGP0151.jpg th_IMGP0153.jpg th_IMGP0155.jpg

Remote Brake Booster

14942.jpg

B210 Booster

Some B210 models use a type M45 Master-Vac with 4.5 inch vacuum diaphragm. It is the same as the 610/180B booster except for a different vacuum hose fitting.

Booster Jidoshakiki Co. Ltd. Bendix License
diameter ~120mm width ~140mm flange
87mm thick
~120mm rod to pivot length
about 5" diameter
Firewall Spacer
45mm thick
bolt pattern: 53mm high x 80/89 wide

Master cylinder adapter
20mm thick
bolt pattern
* 60mm vertical (master side)
* 70mm horizontal (booster side)
Master cylinder length
~174mm
full-size photo


full-size photo

full-size photo

USA
47210-H6100 ASSY-MASTER VAC
47210-H7200 ASSY-MASTER VAC <> 47210-H6100 
47211-H6100 SPACER-MASTER VAC B210
JDM B210
47210-U0501 MASTER VAC (4-1/2) GX (op.)GL 1973-1975
47210-H6100 MASTERVAC ASSY-BRAKE 1976-1977 A14/L16 (op. others)
47211-H6100 SPACER-master vac
Compare to 710 USA
47210-U4000
47210-U5200 -0874 <> 47210-U4000
47210-U6700 0974-0775
47210-U9500 0875-
47211-26701 SPACER-MASTER VAC 610, 710
Compare to 610 USA
47210-U0501
47210-U5200 0873-0874
47210-U6700 0974-
47210-U9500 <> 47210-U6700
47211-26701 SPACER-MASTER VAC 610, 710
610 JDM
47210-U0501 MASTER VAC ASS'Y (4.5 inch) '72 GL,SSS,'73 DX
47210-U4000 MASTER VAC ASS'Y (6 inch) (from '73) GL, SS
47210-H6100 MASTER VAC ASS'Y-brake (from '74-8) DX
42711-26701 SPACER-master vac
710 JDM
47210-U0501 MASTER VAC ASS'Y-brake (4.5) DX,GL,SSS
47210-H6100 MASTER VAC ASS'Y-brake (from '74-8) DX,GL,SSS
42711-26701 SPACER-master vac
810 JDM
47211-U7400 SPACER-MASTERVAC 
42711-26701 SPACER-MASTERVAC <> 47211-U7400
42711-U8700 SPACER-MASTERVAC S,K.LN

620 adapter is only about 10mm thick (B210 is 20mm)
th_620_brake_booster_adapter.jpg

Forward Booster

Unknown type on LHD ute

* Spaced out from firewall
* Remote fillers on master cylinder

from Phillipines
23675.jpg 23674.jpg

Yulon 303T from Taiwan with standard 1990s type booster/master cylinder
25817.jpg