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#31
11-03-10, 00:32
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Just got off the phone with a Dodge Nut
Was just talking to one of the guys in our MV club who is a old line Dodge Nut. Was asking him what he saw on his M37 as oil pressure. Read him a couple of the posts.
He had two good questions: Have you dropped the pan yet to see if you have sludge? I could not remember if you said the engine had been apart. His thought was if the screen is picking up a sludge this could cause the fluctuations. His second thought about the fluctuations was is it the correct filter and is it in new? All this from a guy who is talking on his phone stuck in a traffic jam in Boston. Cheers
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Phil Waterman `41 C60L Pattern 12 `42 C60S Radio Pattern 13 `45 HUP http://canadianmilitarypattern.com/ New e-mail Philip@canadianmilitarypattern.com 
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#32
11-03-10, 01:50
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Oil Pressure
Try pulling your oil pressure bypass valve out. Make sure it moves freely in its bore, and that the spring is not broken or catching.
I am not familiar with this model, but the pressure characteristics indicate excessive clearances. If you tear it down, don't overlook the cam bearings.
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Bluebell Carrier Armoured O.P. No1 Mk3 W. T84991 Carrier Bren No2.Mk.I. NewZealand Railways. NZR.6. Dodge WC55. 37mm Gun Motor Carriage M6 Jeep Mb #135668 So many questions....
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#34
12-03-10, 02:31
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As said before...
.......but the pressure characteristics indicate excessive clearances
.........or you have a worn bearing ...Well i think this engine will need to be restored! The looseness is probably not apparent to look at or even feel...... overall worn bearings do not need to slap loose to be too loose for the oil fil to build up. Not surprising since you never said that the engine was knocking..... ...as previously mentioned if you rebuild it yourslef don't forget to get new bearing for the camshaft which will no doubt need to be installed by the machine shop. Good luck with the tear down....Gilles should have some good lead on the HUll shop that rebuilt his engine. Boob
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Bob Carriere....B.T.B C15a Cab 11 Hammond, Ontario Canada
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#36
12-03-10, 03:44
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Engine conversion....
Hi Michel
Have you checked out the Dodge Power wagon forum..... a number of engine conversions have been done in the past and most of the bugs have been worked out..... if I believe Snake River in the USA is making adapters..... Some are even running Dodge Industrial 361 CU.... ......which is a destroked 383cu block adapted for heavy truck use.. in the 60 they were the conversion engine of choice to re-engine the International tractor trailer at Overnight Express. Some model of Perkins 4 and 6 cylinders have also been done. Don't forget that you can have two 251 engines professinnaly rebuilt for the price of a good Cummins engine. Boob
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Bob Carriere....B.T.B C15a Cab 11 Hammond, Ontario Canada
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#37
17-03-10, 15:52
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I would like to put a 6 cyl diesel but the problem is the size of those engine!
The only one i think should fit is a new 1106D perkins 36 inch long but i think it has an ECM. The CUMMINS 6BT is +- 41 inch long dosent fit without BIG modification! 
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#39
23-03-10, 17:27
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Locking gas caps.....
Standard size available at Canadian Tire....
If you are looking for the large M37 gas cap....... NIX...... you will need to build your own with a small metal strap welded on the side of the truck box and padlock...... carefull welding above the open gas tank opening....! May be easier to lock up the kids....... Tried looking up cylinder sleeves..... Nylen used to make them for Chev engines but do not seem to be existing under that name...... lots of sleeves available for expensive Diesel rebuilding but very little for old gas engines. May also be very difficult to find a machine shop willing to tackle an engine they are not familiar with or set up to work on a 50 years old engine. I would search for a mchine shop that specializes in rebuilding older gas engine for farm tractors........ the 251 was used by Massey Ferguson tractors and combines. Boob
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Bob Carriere....B.T.B C15a Cab 11 Hammond, Ontario Canada
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#40
23-03-10, 19:04
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I no that stant makes many locking gas cap but the problem is thay dont say wath size thay are!
I think y will modifie one of stant so it could fit on it! I cant lock up the kids its the nabers   I will send a message to sealed power i no thay make cylinder sleeve. may be able to match them!
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