ford cmp gearbox boom

[Harlé Sylvain]

In my truck there was a french flathead but very bad mounted with the french stock water pumps , there are higher than the canadian one , so I thouth that that was the reason why they had to lift the engine hight and twist the crossmember.

[Jacques Reed]

Originally Posted by Harlé Sylvain

In my truck there was a french flathead but very bad mounted with the french stock water pumps , there are higher than the canadian one , so I thouth that that was the reason why they had to lift the engine hight and twist the crossmember.

That makes some sense. Perhaps another case of "bush engineering" to make do with the available components. May also explain why you have seen the same modification on another truck. Never saw it here but there are not many French Flatheads in Australia! I would think the rubber insulator as part of the rear transmission mount would tear loose from the steel part if it was left attached while trying to remove the engine and transmission as a unit.
Still the rubber is well attached (vulcanized?) and it may still be possible to bend that crossmember via the rear transmission mount. It's all about mechanical advantage.

I cannot count the number of times I have seen modifications to these vehicles in order to keep them going or use them for another purpose.

Perhaps there is a thread there: "Bush engineering of CMP Trucks"
It might become the longest ongoing thread!

Cheers,

[Harlé Sylvain]

Hello
I install my engine this week end , and what a bad surprise, impossible to bolt the gearbox, (the motors mounts an waterpumps are original).

I had to "retwist" the boom as on the begining. Now the engine is on is right place, so the conclusion is that there must be two types of boom, Maybe cab 12 and 13? Or long an short wheel base.....?


I will know for the next truck......

Cheers

[Jacques Reed]

Hello Harle,

So sorry to hear about your twist having to be re-done to the transmission boom. There is enough work to do in a restoration without re-doing things.

I am completely puzzled why it is required, but if it works I guess that answers it. I, and others, just have never seen that before.

Just curious however, it would seem the engine would now sit higher at the front mounts with the boom twisted. If the water pumps are original style could the front engine mounts have been modified and therefore raised the engine from original height?

My previous photo shows a glimpse of the front engine mounts which may be of some help.

Cheers,

[Jacques Reed]

Hello Harle,

Here are a couple of close ups of the front engine mounts which are better than the previous photo.

Cheers,