Grey to Red Motor Conversion

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Page created by T Oct 27th 2012:

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Red 138 cu in Engine from an LC Torana installed in an EJ Holden. Photo by 1963EJ. Click to Enlargen.

 

Grey To Red Motor Conversion:

Holden Cars had Grey Motors from FX - EJ. Replacing a Grey Motor with a later Red Engine involves welding 2 Engine Mounts onto the Cross Member. The original 3 Speed Crash Gearbox and its Bellhousing will bolt up directly to any of the Red Engines.

Grey To Blue or Black Motor Conversion:

The same procedure as Grey to Red Motor is used, but some provision must be made for the larger Diameter Blue/Black Clutch Cover Plate.

Grey Motor Bellhousings FX - EK:

FX - EK used a Bellhousing that was integrated with the Gearbox and was fully enclosed (no Tinware Lower Cover Plate).

Grey Motor Bellhousings EJ:

EJ was unique in having a Bellhousing separate from the Gearbox and with a Tinware Lower Cover Plate.

Block Bolt Pattern:

The Block Bolt Pattern is the same on all Holden Six Cylinder Engines from FX to VK.

Engine Colours:

FX - EJ (Grey Motors). EH - VB (Red Motors). WB, VC, VH (Blue Motors). VK (Black Motors). 

Grey Motor Engine Mount:

Grey Motor Holdens had a single Engine Mount at the very Front of the Engine.

Red Motor Engine Mounts:

Red Motor Holdens have two Engine Mounts. One on each side of the Centre of the Engine.

Grey Motor Rear Gearbox Mount:

Grey Motor Holdens had no Rear Gearbox Mount. The Gearbox had Mounts at the Front of the Bellhousing for support.

Red Motor Rear Gearbox Mount:

Red Motor Holdens had a single Rear Gearbox Mount.       

 
3 Speed Crash Gearbox in its original Form FX -  EK . Click to Enlargen. Photo by Koutara.
 

 

The Holden FX - VK Six Cylinder Block Pattern is apparent in this EJ Bellhousing. The Tinware Lower Cover has been removed. Click to Enlargen. Photo by Stock-EJ.
 
Block Pattern on a Six Cylinder 202 Engine. Image by Brad Canniz. Click to Enlargen.
 
Grey 138 cu in Engine from an Holden EJ. The Front Engine Mount is under the Harmonic Balancer. The Offside Gearbox Mount can be seen at the side and at the Front of the Bellhousing. Click to Enlargen. Photo by Graham Newbury.
 
 
Holden 149 Red Engine as used in EH thru HD Holdens. Note there is no 149 casting identifier. The Nearside Engine Mount is visable. Click to Enlargen. Photo by Mark via Rusty.
 
Red 138 Engine installed in an EJ Holden. The Tinware Cover Plate can be seen. Photo by 1963EJ. Click to Enlargen.
 
Tinware Bellhousing Lower Cover as introduced with EJ.  Photo by Red Seat. Click to Enlargen.
 
Offside Engine Mount red 138 into EJ. Photo by 1963 EJ. Click to Enlargen.
 
Nearside Engine Mount red 138 into EJ. Photo by 1963 EJ. Click to Enlargen.
   
EJ Gearbox and Mount.Engine is a Red 138. Photo by 1963EJ. Click to Enlargen.
 

   

Power Considerations:

Note that GMH produced a revised 3 Speed Crash Box when the 179 was released so increasing the Engine size above 149 cu. in. may put excessive strain on the original 4 Bolt 3 Speed crash Box. Early 179's were released with Hydramatics only since the Hydramatic could handle the increase in Power. 

Links:

1963EJ's Shed

3 Speed Crash Gearbox

Block Patterns Engines by Colour

Grey Motor Trimatic

Terms:

Terms 

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