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#1
22-07-09, 05:14
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The 32 to 38 was a 21 stud 85 hp flattie and it's my understanding that that's what the carriers came out with. I know that a lot of the ones you see have the 39 to 48, 24 stud 100 hp version like the CMPs had but they were replacements. You see some with a 49 and up replacement motor with the top distributor too.
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1940 Cab 11 C8 Wireless with 1A2 box & 11 set 1940 Cab 11 C8 cab and chassis 1940 Cab 11 C15 with 2A1 & Motley mount & Lewis gun 1940 Cab 11 F15A w/ Chev rear ends 1941 Cab 12 F15A 1942-44 Cab 13 F15A x 5 1942 cab 13 F15A with 2B1 box 1943 cab 13 F15A with 2H1 box 1943 Cab 13 C8A HUP 1944 Cab 13 C15A with 2C1 box 1943 Cletrac M2 High Speed Tractor MkII Bren gun carrier chassis x 2 
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#2
22-07-09, 06:02
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Well Alex, my problem is that I may not have a good block. I had both water pumps go on this weekend at an event. The seals failed and were allowing the pumps to suck in lots of air and this in turn overpressurized the rad and caused lots of fluid loss. So i rebuilt the waterpumps and installed them today. Filled up the rad again with deinonized water and Engine started fine but after about 5 min I noticed white smoke coming from the exhuast. Checked underneath and there was water pissing from the drainage holes in the mufflers. So i checked the oil and it was a lovely shade of light grey. Unless a head gasket has gone I may have a craked block.
I'd still like to get the proper wartime style of flat head with the water pumps down low at the front and the water outlet centered at the top of the heads. As you can see my flat head is the early, early style.
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Jordan Baker RHLI Museum, Otter LRC C15A-Wire3, 1944 Willys MB, 1942 10cwt Canadian trailer
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#3
22-07-09, 06:06
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This is the kind I am after.
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Jordan Baker RHLI Museum, Otter LRC C15A-Wire3, 1944 Willys MB, 1942 10cwt Canadian trailer
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#4
22-07-09, 17:05
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Hi Jordan
Good luck finding a running flathead that you seek at a reasonable price.... Never trust the "ran a while ago story" neither as flatties invariably seize up tighter than a drum after time due to the nature of their construction. I always assume that unless a guy can start it for me right there and then that it is a "rebuilder", period, and only worth scrap. Flatheads are also prone to cracks and you may have what appears to be a good one turn out to be scrap. You may need to go through several before finding a truly rebuildable one. It might cost you a bunch of time and money tearing several down and then having hot tanked and magnafluxed before you have a decent block. At one time I had 4 engines, tore them all down and ended up with 1 good one and 3 boat anchors. Lastly, a flathead rebuild is going to cost you big time. The last one I had done was in excess of $3000 and that was several years ago. You might want to entertain one of the crate engine flatheads floating around, I believe that the were French rebuilds and came in a couple years ago. Marcus at Willys Acres had some and they were reasonably priced compared to doing a complete rebuild. They were slightly different but for the price not a bad sub. Alternately you could consider re-powering the carrier with an alternate motor. I always thought a small diesel would be neat....
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3RD Echelon Wksp 1968 M274A5 Mule Baifield USMC 1966 M274A2 Mule BMY USMC 1966 M274A2 Mule BMY USMC 1958 M274 Mule Willys US Army 1970 M38A1 CDN3 70-08715 1 CSR 1943 Converto Airborne Trailer 1983 M1009 CUCV 1957 Triumph TRW 500cc RT-524, PRC-77s, and trucks and stuff and more stuff and and....... OMVA, MVPA, G503, Steel Soldiers
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#5
22-07-09, 17:38
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Quote:
They are very different, but I agree, a good substitute - much better than a diesel  anyway!Hanno
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Regards, Hanno --------------------------
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#6
22-07-09, 20:01
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Jordan, the motor in your carrier is the proper style for it. That's the only kind they put in them.
If you go to overhaul a 221 ci flattie, the 37 and newer used replaceable main bearings where the earlier ones had poured babbit mains. If the motors weren't rebuilt at one time, they have the dual faced rod bearings too which makes the motor more expensive to rebuild. As for cracked blocks, the cracks that form radiating from the head bolt holes don't matter. It's the ones in the valve seat area that turn the motor into a boat anchor.
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1940 Cab 11 C8 Wireless with 1A2 box & 11 set 1940 Cab 11 C8 cab and chassis 1940 Cab 11 C15 with 2A1 & Motley mount & Lewis gun 1940 Cab 11 F15A w/ Chev rear ends 1941 Cab 12 F15A 1942-44 Cab 13 F15A x 5 1942 cab 13 F15A with 2B1 box 1943 cab 13 F15A with 2H1 box 1943 Cab 13 C8A HUP 1944 Cab 13 C15A with 2C1 box 1943 Cletrac M2 High Speed Tractor MkII Bren gun carrier chassis x 2
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#7
23-07-09, 01:07
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Quote:
Jordan: I have had a bit of luck with Flatheads this summer. I bought one to use as a quick install on my carrier, and picked up a second truck that shows the promise of running. I gotta quit hanging out at auctions. Both are 49s unfortunately, so the water outlets are in the front of the heads and not in the middle. Shame you are not out this way or I could make you a smokin deal on the spare. The 49 Fords can be converted back to the hard access position for the distributers, they already have the right style water pumps, but unfortunately there is no way of fixing the water outlet positions.
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#8
22-07-09, 20:02
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Jordan,
I'd suggest that you check out the following site. After I did, I purchased a '46 Mercury engine fior my F8 restoration project. It works/fits perfectly! http://www.vanpeltsales.com/FH_web/flathead_home.htm Regards, Jim
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