B210 Brake Booster

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Categories: Datsun B210 | Brake Modifications

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Revision as of 08:06, 6 October 2015 ddgonzal (Talk | contribs) (->Use in B110) <- Previous diff		Revision as of 08:31, 6 October 2015 ddgonzal (Talk | contribs) Next diff ->
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-	A Brake Booster was fitted to many disc-brake B210s, including most 1976-1978 models and all USA models. The booster was added to counter the increased weight of these models. It is a very small 4.5 inch diameter model. This booster is not a direct bolt-in for a (Datsun 1200) as the mounting points are different. It can be fitted to a Datsun 1200 with small modifications.	+	A Brake Booster was fitted to many disc-brake B210s, including most 1976-1978 120Ys and all USA models. The booster was added to counter the increased weight of these models. It is a very small 4.5 inch diameter model. This booster is not a direct bolt-in for a (Datsun 1200) as the mounting points are different. It can be fitted to a Datsun 1200 with small modifications.
	= Overview =		= Overview =
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	[http://datsun1200.com/modules/myalbum/photo.php?lid=6800 album]		[http://datsun1200.com/modules/myalbum/photo.php?lid=6800 album]
-	The booster has a:	+	The booster setup includes:
-	* Front Spacer is a thin (20 cm) aluminum adapter so that a 2-bolt vertical pattern [[Brake master cylinder]] can be fitted	+	* a Front Spacer, a thin (20 cm) aluminum adapter so that a 2-bolt vertical pattern [[Brake master cylinder]] can be fitted
	* 4-bolt rear mounting to firewall		* 4-bolt rear mounting to firewall
-	* Rear Spacer is a rectangular aluminum unit, about 45 mm thick. It fits between the booster and the firewall.	+	* a Rear Spacer, a thick rectangular aluminum unit (45 mm thick). It fits between the booster and the firewall.
	<img size=400>http://i297.photobucket.com/albums/mm219/ddgonzal/sightings/forum/Booster-1.jpg</img> [http://i297.photobucket.com/albums/mm219/ddgonzal/sightings/forum/Booster-1.jpg full]		<img size=400>http://i297.photobucket.com/albums/mm219/ddgonzal/sightings/forum/Booster-1.jpg</img> [http://i297.photobucket.com/albums/mm219/ddgonzal/sightings/forum/Booster-1.jpg full]
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	= H61 Mastervac =		= H61 Mastervac =
		+	Source:
		+	JDM B210 including A12-powered
		+	USA B210 ALL
		+	610/710 small booster is the same except for the vacuum hose location
		+
	Booster Jidoshakiki Co. Ltd. Bendix License		Booster Jidoshakiki Co. Ltd. Bendix License
	diameter ~120mm width ~140mm flange		diameter ~120mm width ~140mm flange
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	= JDM =		= JDM =
-	Late JDM B210s of GX and GL trim (from April 1975) were fitted with Disc front brakes. A brake booster was standard for GX, optional with GL. The booster is a very small diameter, the M45 Master Vac, same as used in the 510 and 610.	+	Late JDM B210s of GX and GL trim (from April 1975) were fitted with Disc front brakes. A brake booster was standard for GX, optional with GL. The booster is a very small diameter, the M45 Master Vac, same basic type as used in the 510 and 610.
-		+
-	JDM - Disc Front Brake models	+
-	47210-U0501 MASTER-VAC (45) 1974-1975	+
-	* 46010-U0601 CYLINDER ASSY-brake master tandem (3/4 inch)	+
-	47210-H6100 MASTER-VAC 1976-1978	+
-	* 46010-H7500 CYLINDER ASSY-brake master tandem A12 GL	+
-	* 46010-U0601 CYLINDER ASSY-brake master tandem A14, L16	+
-	47211-H6100 SPACER-master vac	+
-	47230-H6100 BRACKET-BRAKE MASTER CYLINDER [for non-boosted brakes]	+
	Note that B210 (1976-1978) models without booster used a 2-bolt to 4-bolt adapter plate (thin sheet metal type). 1974-1975 models did not use this.		Note that B210 (1976-1978) models without booster used a 2-bolt to 4-bolt adapter plate (thin sheet metal type). 1974-1975 models did not use this.
		+
		+	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
	610 JDM		610 JDM
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	42711-26701 SPACER-MASTERVAC <> 47211-U7400		42711-26701 SPACER-MASTERVAC <> 47211-U7400
	42711-U8700 SPACER-MASTERVAC S,K.LN		42711-U8700 SPACER-MASTERVAC S,K.LN
		+
		+	Details: JDM B210 - Disc Front Brake models
		+	47210-U0501 MASTER-VAC (45) 1974-1975
		+	* 46010-U0601 CYLINDER ASSY-brake master tandem (3/4 inch)
		+	47210-H6100 MASTER-VAC 1976-1978
		+	* 46010-H7500 CYLINDER ASSY-brake master tandem A12 GL
		+	* 46010-U0601 CYLINDER ASSY-brake master tandem A14, L16
		+	47211-H6100 SPACER-master vac
		+	47230-H6100 BRACKET-BRAKE MASTER CYLINDER [for non-boosted brakes]
	= USA =		= USA =
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	47210-H7200 ASSY-MASTER VAC <> 47210-H6100		47210-H7200 ASSY-MASTER VAC <> 47210-H6100
	47211-H6100 SPACER-MASTER VAC B210		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		Compare to 710 USA

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Revision as of 08:31, 6 October 2015

A Brake Booster was fitted to many disc-brake B210s, including most 1976-1978 120Ys and all USA models. The booster was added to counter the increased weight of these models. It is a very small 4.5 inch diameter model. This booster is not a direct bolt-in for a (Datsun 1200) as the mounting points are different. It can be fitted to a Datsun 1200 with small modifications.

Contents 1 Overview 2 Use in B110 3 H61 Mastervac 4 JDM 5 USA 6 Photo Index

Overview

B210 (including later 120Y) models that use a brake booster 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. It can be fitted to a Datsun 1200 with small modifications.

album

The booster setup includes:

• a Front Spacer, a thin (20 cm) aluminum adapter so that a 2-bolt vertical pattern Brake master cylinder can be fitted
• 4-bolt rear mounting to firewall
• a Rear Spacer, a thick rectangular aluminum unit (45 mm thick). It fits between the booster and the firewall.

full

B310 vs B210 style

• B310 has horizontal bolt-pattern master cylinder, Booster M60 (6" diameter)

  

• B210 has vertical bolt-pattern master cylinder, Booster M45 (4.5" diameter, 5.5" overall)

  

Use in B110

Required parts:

• B210 Booster
• B210 Master Cylinder & adapter
• Firewall spacer/adapter

The B210 and B310 booster mounts to the firewall with 4 bolts, whereas Datsun 1200 (B110) has only two bolts drilled in the firewall. The shape of the firewall also differs.

1. drill larger center hole in firewall
2. Use B210 firewall spacer

   

   OR Make 4-bolt to 2-bolt spacer/adaptor to go between the firewall and the booster

   

3. drill two extra mounting holes in firewall

   

4. change pedal box to new style

   

H61 Mastervac

Source:
JDM B210 including A12-powered
USA B210 ALL
610/710 small booster is the same except for the vacuum hose location

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

47210-H7200 ASSY-MASTER VAC <> 47210-H6100 
47211-H6100 SPACER-MASTER VAC B210

JDM

Late JDM B210s of GX and GL trim (from April 1975) were fitted with Disc front brakes. A brake booster was standard for GX, optional with GL. The booster is a very small diameter, the M45 Master Vac, same basic type as used in the 510 and 610.

Note that B210 (1976-1978) models without booster used a 2-bolt to 4-bolt adapter plate (thin sheet metal type). 1974-1975 models did not use this.

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

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

Details: JDM  B210 - Disc Front Brake models
47210-U0501 MASTER-VAC (45) 1974-1975
* 46010-U0601 CYLINDER ASSY-brake master tandem (3/4 inch)
47210-H6100 MASTER-VAC 1976-1978
* 46010-H7500 CYLINDER ASSY-brake master tandem A12 GL
* 46010-U0601 CYLINDER ASSY-brake master tandem A14, L16
47211-H6100 SPACER-master vac
47230-H6100 BRACKET-BRAKE MASTER CYLINDER [for non-boosted brakes]

USA

All North American B210s were fitted with Disc Front Brakes and a very small M45 brake booster. This is the entire brake system of PB110 (Sunny Excellent) specification for 1974-1975 models.

USA
47210-H6100 ASSY-MASTER VAC
47210-H7200 ASSY-MASTER VAC <> 47210-H6100 
47211-H6100 SPACER-MASTER VAC B210

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

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

Photo Index

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