25 pounder Posted February 5, 2009 Share Posted February 5, 2009 While restoring my GMC , open cab , tool set , I've separated the engine - gearbox from the frame and want to restore it to original color , Does anybody knows what's the right color for the "power unit ", I've understood , on other net blogs, it should be painted olive drab , but glossy paint , Before going into action , I'd rather ask the "specialists" on this forum ; Quote Link to comment Share on other sites More sharing options...
Maurice Posted February 5, 2009 Share Posted February 5, 2009 Do you want the factory collor ? If you clean block you will usually find the bottom collor grey (industrial grey ) olive drab /green is french Army rebuild , red is Belgian army rebuild, grey or egshell green on ex Dutch Gmc`s .Israel used light grey . Quote Link to comment Share on other sites More sharing options...
25 pounder Posted February 5, 2009 Author Share Posted February 5, 2009 Do you want the factory collor ? If you clean block you will usually find the bottom collor grey (industrial grey ) olive drab /green is french Army rebuild , red is Belgian army rebuild, grey or egshell green on ex Dutch Gmc`s .Israel used light grey . I prefer the factory color , as they went in service with the US Army , WW 2 period After cleaning my block thoroughly , I found no color at all , everything was very rusty Quote Link to comment Share on other sites More sharing options...
arthur.m Posted February 12, 2009 Share Posted February 12, 2009 My unrestored '41 CCKW has an enigine that I think has never been repainted. It is definetly not OD, I would say it's a wet looking BRG shade. Just an observation, surely somebody will come with a correct colour code. Arthur Quote Link to comment Share on other sites More sharing options...
G506 Posted February 12, 2009 Share Posted February 12, 2009 My unrestored '41 CCKW has an enigine that I think has never been repainted. It is definetly not OD, I would say it's a wet looking BRG shade. Just an observation, surely somebody will come with a correct colour code. Arthur Arthur, I'm no GMC expert, but I think the colour you're referring to is bottle green, a standard GMC colour. 25 pounder, as presumably your truck is '43 onwards, it may be that OD is correct, some people say bottle green early war, OD late war. But to confuse matters further, mid grey has also been discussed! By all accounts, my '42 Chevy should be OD, but Ive found no definitive evidence of this yet. Chevy did quite a few things differently to their parent company GMC! Quote Link to comment Share on other sites More sharing options...
Degsy Posted February 12, 2009 Share Posted February 12, 2009 This has been discussed on the CCKW forum and the 'expert' opinion on there is that it was a wet olive colour, US govt rebuilds were OD, he will not countenance any other colours. Quote Link to comment Share on other sites More sharing options...
Deuceman Posted February 13, 2009 Share Posted February 13, 2009 Here's a shot of an engine in a truck in Normandy in 2004. It was a workshop body in use a mobile shop for the vehicle and spares dealer Jeepest. It was a superb restoration such that I wonder why they would have painted it like this if it wasn't for the sake of authenticity? Quote Link to comment Share on other sites More sharing options...
Vulture Posted November 25, 2011 Share Posted November 25, 2011 Guys, please excuse me bumping this thread, but what are the two silver boxes fastened to the bulkhead in the photo ? Quote Link to comment Share on other sites More sharing options...
R Cubed Posted November 25, 2011 Share Posted November 25, 2011 (edited) They are Noise filter units, there are two connections on them, the ones you can see in the pic which is engine side and the other connections are on the other side of them through the bulk head. One filter unit is connected in line with the feed to the ignition coil, the other is connected in line between the ammeter and the dynamo regulator. Nice touch to the engine compartment detailing, point to note the holes in the bulk head for the connections of the filter units which pass through the bulk head are about 1/2" in diammeter, this is why they are that size !!!! There are also two more filter units down the side of the dynamo regulator by the engine side panel, one is the Armature filter unit, and the other is field filter unit. Edited November 25, 2011 by R Cubed added more filters Quote Link to comment Share on other sites More sharing options...
R Cubed Posted November 25, 2011 Share Posted November 25, 2011 I have just had a thought will the right colour of engine paint make my engine run better :nut: Quote Link to comment Share on other sites More sharing options...
Willyslancs Posted November 25, 2011 Share Posted November 25, 2011 I have just had a thought will the right colour of engine paint make my engine run better :nut: you can always live in hope mate !................... Quote Link to comment Share on other sites More sharing options...
Vulture Posted November 25, 2011 Share Posted November 25, 2011 They are Noise filter units, there are two connections on them, the ones you can see in the pic which is engine side and the other connections are on the other side of them through the bulk head. One filter unit is connected in line with the feed to the ignition coil, the other is connected in line between the ammeter and the dynamo regulator. Nice touch to the engine compartment detailing, point to note the holes in the bulk head for the connections of the filter units which pass through the bulk head are about 1/2" in diammeter, this is why they are that size !!!! There are also two more filter units down the side of the dynamo regulator by the engine side panel, one is the Armature filter unit, and the other is field filter unit. I assume that's to prevent radio interference then ? Quote Link to comment Share on other sites More sharing options...
Vulture Posted November 25, 2011 Share Posted November 25, 2011 I have just had a thought will the right colour of engine paint make my engine run better :nut: Cubed, you have my sympathy re your knocking problem. I've been lurking on the other thread following the tale. Kind regards Ian Quote Link to comment Share on other sites More sharing options...
R Cubed Posted November 25, 2011 Share Posted November 25, 2011 I assume that's to prevent radio interference then ? I think so also another item which goes hand in hand with these filters is an "S" at the end of the USA bonnet number, refering to the vehicle is Suppressed. Quote Link to comment Share on other sites More sharing options...
R Cubed Posted November 25, 2011 Share Posted November 25, 2011 Cubed, you have my sympathy re your knocking problem. I've been lurking on the other thread following the tale. Kind regards Ian Yes its a real pain, more so it now looks like its only an exhaust blow but I am holding my breath.... we shall see soon. Quote Link to comment Share on other sites More sharing options...
plunabr Posted October 31, 2013 Share Posted October 31, 2013 About CCKW engines, I'd like to put a question: there was GMC vehicles equipped with Bofors 40mm equipped with CCKW engines 5-cylinder ? Which year and which country use that ? Quote Link to comment Share on other sites More sharing options...
25 pounder Posted October 31, 2013 Author Share Posted October 31, 2013 About CCKW engines, I'd like to put a question: there was GMC vehicles equipped with Bofors 40mm equipped with CCKW engines 5-cylinder ? Which year and which country use that ? Never knew GMC ever made 5 cyl engines during the war:shocked: Quote Link to comment Share on other sites More sharing options...
Vulture Posted November 1, 2013 Share Posted November 1, 2013 I thought the 40mm Bofors was a post war French conversion. Never heard of a 5 cylinder version myself. Quote Link to comment Share on other sites More sharing options...
plunabr Posted November 1, 2013 Share Posted November 1, 2013 Thank friends by the information. I am building a 1/35 Hobby Boss plastic kit of the GMC Bofors 40mm Gun, I suppose a French version. The kit has a distributor cover for 5 cylinders and the engine block also has connection for 5 cylinders. I was trying to confirm if there was a version of engine (352 or other) that used 5 cylinder. If I want to build it as real as possible I will have to accommodate the 6-cylinders on it. Quote Link to comment Share on other sites More sharing options...
Cold_War_Collection Posted November 1, 2013 Share Posted November 1, 2013 Going back to GMC engine colours, When we did a T-17 a couple of years back, both GMC 270's blocks were found to be painted Grey. These were the original engines that were installed, and we do know that the vehicle saw service in Holland, and was returned to Canada in Late '45, early '46, so she saw no other service to potentially add other colours. hope this helps? Cheers Nick CWC Canada Quote Link to comment Share on other sites More sharing options...
Maurice Posted November 1, 2013 Share Posted November 1, 2013 That is what I also always thought , the untouched Gmc engines I have were also grey ,not like the light grey color the norwegian army used , but more like the chev. and GPW collor. Quote Link to comment Share on other sites More sharing options...
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