Joined: Jun 15, 2014 Posts: 268 Location: Cambridge, Ontario, Canada
Posted: Sun Nov 02, 2014 9:21 am Post subject: Engine swap question
I found an engine on kijiji up here in the north that is from a pre WW2 Willys.
just wondering how different this engine is than the L-134 engine found in the M38?
The ad says it was running when pulled but I know not to trust those statements. What should I look for if I go and check it out in person?
here is pics of Engine
That is for a prewar Willys car. There are many similarities just as there are many internal and external differences. I would only choose that engine as a last ditch choice. If you can get it cheap enough you could offer it for sale to the pre-war Willys restorers. It would probably sell very quickly further south.
A few diffs:
Different crank and rods
different valve timing
different oil pump/distributor drive system (they are pinned together from inside the sump.
The ignition timing is run 5 Deg ATDC.
Different water pump.
Different front mount plate.
Different intake and carb. _________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
Joined: Jun 15, 2014 Posts: 268 Location: Cambridge, Ontario, Canada
Posted: Sun Nov 02, 2014 10:12 am Post subject:
This is what I thought. Seller is looking for $500 for all of it but without knowing running condition I'm concerned reselling it won't fetch much money. _________________ 1952 M38 project
Brad
Actually the head in the 1935 engine photo with only 2 bolts in coolant thermostat housing, is the same head used on the Willys MA produced in 1941.
Willys MA & pre-war casting # 637014 (Possibility early MB Slat Grills may have used this head) This hasn't been proven yet.
The 1941 & on MB's both the 25,000 or so Slat grill units & the remaining 300,000 or so stamped steel grill units used the later heads.
Slat grill MB
Stamped steel grill MB
Willys MB early-war (1941-42) casting # 639660 or 639660C No Willys or Jeep cast on head
Willys MB mid-war (1942-44) casting # 639660C with Willys cast on head (ICO Carl Marcotte)
Willys MB late-war (1944-45) casting # 639660C Willys and Jeep cast on head _________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
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