The Holden Grey motor is often referred to as the Holden side plate. The engine earned its name as they were painted grey from the factory. They came in 2 sizes, 138ci and 132ci. More engineering and after market modifications have gone into this engine than any other engine in Australian automotive history.

September 10, 2015

Copper head gasket for grey motor

07:36 Posted by GreyFC No comments
If you are running a grey with big compression you might need to invest in a copper head gasket.  Greg provided me with some pics and the base steps.

Comes like this:

A few small mods here and there to get it to this stage:

Some Three bond on the block:

Then Similar no the head

Then fit like so

Then final torque down as norma, make sure you torque out to stop gasket extrusion.


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