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[Datsun 1200 encyclopedia]

Engine Mounts

Revision as of 09:00, 1 September 2015; view current revision
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Category: Engine Mechanical

Also see: Crossmember

Contents

Overview

Insulator> 20928.jpg brackets> 20923.jpg

B110 and B120

Front: 1970-1973 1200 engine tall crossmember (B110/B120)
13676.jpg
Rear: 1974-up 1200 tall/short engine crossmember

Not only does the new-style engine have a lower mount, but the mounts are further back 35mm (~1-3/8"). These photos shows how far back:
7976.jpg

photo

Original B110 engine brackets:
right side (high-mount)

Two types of right-side brackets
20923.jpg

  • Top: original style
  • Bottom: new style for revised crossmembers
    • Allows fitment of reduction gear starters
    • Starting with 1978 B210 USA (H8500)
    • All B310 (H8500)
    • Starting with 1985 B120 JDM (G1900)

NOTE: If you mix early engine with late crosmember (or vice-versa) you need some modifications. In this case see A-series Engine Swaps.

Early Engine Mounting

1970-1973 Datsun 1200

20925.jpg

25736.jpg


  • 11223-H1000 INSULATOR-engine mounting, front [10 mm studs] $12.70 USD
    20929.jpg
  • 11221-H1000 BRACKET-engine mounting, front (R.H.)
    562.gif 20943.jpg
  • 11222-H1000 BRACKET-engine mounting, front (L.H.)
    • Stepped mounting. Lower boss is farther out than upper boss
    14950.jpg 209.JPG 20942.jpg 23563.jpg

Late Engine Mounting

1974 and up engines are different, and 1974-up 1200s use a corresponding crossmember
20924.jpg

25421.jpg Engine Mounts dimensions

  • 11223-H5000 INSULATOR-ENGINE MOUNTING, FRONT 7510-8503 [8mm studs]
  • 11223-G1900 INSULATOR-ENGINE MOUNTING, FRONT 8504- [8mm studs]
    20928.jpg
  • High side mount (similar to earlier)
  • 11221-H5000 BRACKET-ENGINE MOUNTING, RH 7510-8503
  • 11221-G1900 BRACKET-ENGINE MOUNTING, RH 8504-
  • 2563.jpg
Low side mount (new crossmembers)
11222-H5001 BRACKET-ENGINE MOUNTING, LH 7510-8503
* Same part for 74-up B120 (ute), B210 and B310
  2564.jpg
11222-G1900 BRACKET-ENGINE MOUNTING, LH 8504-

1978 Revision

1978 Reduction Gear Starter modification

20923.jpg

B10 Mounts

As you can see these are different from newer (B110, etc) mounts.

11223-18001 INSULATOR-engine mounting front
18305.jpg
qik1000 used Ford Laser mounts
Custom engine mounts to suit A14/A15. I used new ford laser upper engine mounts, which are significantly larger/stiffer than the originals. This eliminates axle tramp.

1985-1990 BD/BF Mazda 323, KA/KB Ford Laser Rear Engine Mount (spacing varies from B10 mount)
th_KB_mouint.jpg

11121-18000 BRACKET-engine mounting front (R.H.) 
* stepped bracket - looks similar to B110 LH bracket
2569.jpg
11122-18000 BRACKET-engine mounting front (L.H.) 
* flat (unstepped) bracket

Late Engine Into Datsun 1000

For putting a 1974-up engine into a B10, see Chris's Rip Snorter A12 & Red B10

21063.jpg 21062.jpg

B210 Mounts

20926.jpg

11223-H5000 INSULATOR-ENGINE MOUNTING FRONT V [? mm studs]
11223-H7500 INSULATOR-ENGINE MOUNTING FRONT [except] V [10 mm studs]
11223-H7300 INSULATOR-ENGINE MOUNTING FRONT USA 0974- 
* [10 mm studs, A14 engine softer mounts] $30.47 USD
* replaces 11223-H7500
* replaces 11223-H6100 INSULATOR-ENGINE MOUNTING FRONT USA -0874 
  [? mm studs, A13 engine harder mounts]


11221-H7301 BRACKET-ENGINE MOUNTING, FRONT RH
* USA -0777
USA 11221-H5000 BRACKET-ENGINE MOUNTING FRONT RH -0874
20517.jpg 
USA 11121-H7300 BRACKET-ENGINE MOUNTING FRONT RH 0974-1074
USA 11221-H8500 BRACKET-ENGINE MOUNTING FRONT RH 0877-
* Bracket notched for Reduction Gear Starter?
11222-H5001 BRACKET-ENGINE MOUNTING, FRONT LH
20516.jpg

Right-side mount comparison:
20945.jpg
Middle pair is B110 early, right is B210? (thin), left is B310? (thick)

B210 crossmember change for 1978 North America
23748.jpg
Crossmember horns are farther apart, requiring new style RH bracket
B310 uses this new spacing

B310 Mounts

The B310 insulators have a metal wrap in case the rubber breaks, the engine won't move too far.

20927.jpg


  • 11223-H9100 INSULATOR-ENGINE MOUNTING FRONT RH [10 mm studs] $34.38 USD
  • 11224-H9100 INSULATOR ASSY-ENGINE MOUNTING FRONT LH $44.32 USD
    4689.jpg
  • B310 insulators have a larger studs and locating pins, but otherwise are the same dimensions as B110 mounts.
  • 11221-H8500 BRACKET-ENGINE MOUNTING, FRONT RH
  • stronger, more rigid than ever - perhaps to reduce NVH (noise, vibration and harshness)
    20930.jpg 20935.jpg
  • 11222-H5001 BRACKET-ENGINE MOUNTING, FRONT LH
    • Same as B210 and mid-model B120
    16679.jpg 20936.jpg

Left and Right together
20934.jpg

Upgraded Insulators

6215.jpg

  • "These are the heavy duty engine mounts we were talking about. Broken engine mounts are a common thing in rally cars and this fixes the problem. Mounts are polyurethane and come out of a ford cortina and last for years of competition...Part number MT8156N. Kelpro make them...I usually just go to a good parts place and ask for cortina engine mounts and this is what they give me. Maybe there are two types, these are about 70mm in dia."

904.jpg

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