DM4 with Perkins 6.354 conversion.

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joedev151
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Re: DM4 with Perkins 6.354 conversion.

Post by joedev151 »

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I removed the nose cone to get an extension made for the extra length needed for the 6cyl conversion. Good chance to remove the radiator and fan to replace the gasket on the leaky water pump, good view of the neat extension made to fit in the engine.


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joedev151
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Re: DM4 with Perkins 6.354 conversion.

Post by joedev151 »

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Took off the pump pully with my trusty puller , removed the pump, made a new gasket and fitted it back, filled up the block with coolant . New gasket all good but coolant leaking out through the pump so needs a repair kit, managed to find a new pump in Tullamore off the shelf costing not much more than a repair kit, so went for the easy option. Put it on, fitted back the radiator and pipes, filled up coolant and all good.
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joedev151
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Re: DM4 with Perkins 6.354 conversion.

Post by joedev151 »

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Got an extension made for the nose cone by Andrew Dooley, Dooley Ironworks.
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joedev151
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Re: DM4 with Perkins 6.354 conversion.

Post by joedev151 »


A quick vid of the Perkins running and the bonnet fitted. I have a different manifold sourced because this one is clashing with the bonnet.
Freggel
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Re: DM4 with Perkins 6.354 conversion.

Post by Freggel »

I edited your post, you linked to the youtube editor, which of course doesn't work for us ;)

Nice sound and well performed conversion!
1957 Universal Four 4DM
If it ain't broke, fix it until it is!
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joedev151
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Re: DM4 with Perkins 6.354 conversion.

Post by joedev151 »

Thanks Freggel,
Sorry for the mistake, hit the wrong button!
Yes it sounds nice , the next job is drive it out of the shed when I manage to shift a few things.
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joedev151
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Re: DM4 with Perkins 6.354 conversion.

Post by joedev151 »

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I finely managed to track down a horizonal outlet manifold, got a L bend and a stainless straight pipe made for it. Got a nice Perkins diesel badge with the famous 4 circles for fitting on the front grill. Next job up is to take off the front axle and rebush the king pins and the axle pivot.
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joedev151
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Re: DM4 with Perkins 6.354 conversion.

Post by joedev151 »


Straight pipe in action, the rain flap is still a bit stiff so will have to free it up.
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joedev151
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Re: DM4 with Perkins 6.354 conversion.

Post by joedev151 »

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Taking out the sliding beam, the stub axles came out fairly easy and the bushes badly worn. the bolts holding the beam were completely locked in the beam, so gas torch, plenty of heat, good whack with the sledge and some help from a 3/4" air gun got them to move. A long time since the beams slid out if ever!
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joedev151
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Re: DM4 with Perkins 6.354 conversion.

Post by joedev151 »

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Got the front axle off and sending it to a machine shop for repair. I got new brass bushes from Tractor Spare Parts, get them fitted and reamed. The stub axles are badly worn, need to be built up and machined, new pivot pin to be made and bolt holes on the tunnion repaired.
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