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Engine Identification |
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Venum 
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Joined: 03 Jan. 2017 Location: Canada Status: Offline Points: 13 |
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 Topic: Engine IdentificationPosted: 03 Jan. 2017 at 9:27am |
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Hey yall,
New to the forum, just signed up but have been reading it helpfully for a little while. Great resource here, thanks to you all. I'm trying to get an old Jeep I bought a few years ago ready for the road. Come to think of it I'm not even sure yet what model it originally was. It has a fiberglass body now and an F-head motor. I love that little thing. I was wondering if maybe anyone could help me I.D. what kind of Jeep it is, like if its a 2A or 3A etc. I don't really know where to look. I'm thinking the engine is swapped but I'm not sure. I looked around and found this barely readable number on the front of the engine: P313XX (hiding the last two numbers for privacy hope that doesn't hurt the effort.) The engine has no oil filter and has a strange cone on the top of the valve cover which seems to be some sort of a breather, which I don't see on most other engines..  The block has a casting number: 64622X-L-W 10ANI-NX (X's hiding digits) It starts with a foot pedal. Other numbers on the engine: 64883X on the top and "9-19 B" with "W F" under it. It's got a carter YF carb. The windshield is not stock, looks like a home made job. Anyway any help identifying the engine or frame would be cool and appreciated. Thanks
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old stuff
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Joined: 16 Nov. 2016 Location: SW Alabama Status: Offline Points: 95 |
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Posted: 03 Jan. 2017 at 1:01pm |
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For CJ ID number info, Look for a rectangle aluminum tag on the left side frame just to the rear of the bumper, might be inside or outside of the frame channel. If you find one or holes where one was located at one time that will indicate mid-forty's CJ2. Also look on the left side frame near the spring shackle for a number stamped into the frame channel. Do you have any remains of the original body? There should be some numbers stamped by the mfg that might help. Tags by WO were on the original firewall, passengers side which were the Body ID and Frame ID. The original engine would have SN stamped on the WP boss and/or on the rt front side boss near the front of the engine. I'm not sure about the military ID info. other than the M38, rt side wheel well behind the passenger seat had a WO tag with the SN stamped on the tag.
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Joe DeYoung
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Sponsor Member x 2 Joined: 20 July 2005 Location: Madison WI Status: Offline Points: 3362 |
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Posted: 03 Jan. 2017 at 3:14pm |
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Going to need some more pics to help identify your model of jeep...
What you have pictured is an F-Head engine so that cap on the top of the valve cover is a breather. I guessing the other engines that you are referring to are L-Head (flat head) engines that are found in many different models of jeeps, early trucks, and early jeepsters. The engine you have could be original to a 3B or a CJ5, or a transplant in to another model of jeep.
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Joe DeYoung
to many jeeps, parts, and accessories to list here, but apparently enough to keep me in trouble with my wife. |
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Bruce W
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Joined: 29 July 2005 Location: Northeast Colorado Status: Offline Points: 9653 |
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Posted: 03 Jan. 2017 at 5:27pm |
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A couple of easy things to look for, to help identify the frame:
Is the front bumper bolted to a pair of triangular (sort of) gussets on each side, which are then bolted/riveted/welded to the frame rail, or is the bumper bolted/riveted directly to the frame rail end? Does the back end of the frame extend beyond the back of the body? Does the frame have a reinforcing strap welded to the top of it for the length of the flat middle portion, under the body? Does the transmission/transfer case supporting crossmember attach to brackets that are riveted to the frame rail, or bolt directly to the bottom of the frame rail? All the jeep universals had a closed PCV system, and no "breather" cap on the valve cover of the F-head. (Up thru the 3B anyway, and the early CJ5 and M38A1 that I had). I believe the breather cap makes it probably a truck or wagon engine. Of course, there's always the possibility that the engine itself could be a salad. And yes, more pictures would be a tremendous help. We love pictures! BW
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It is NOT a Jeep Willys! It is a Willys jeep.
Happy Trails! Good-bye, Good Luck, and May the Good Lord Take a Likin' to You! We Have Miles to Jeep, Before We Sleep. |
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Venum
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Joined: 03 Jan. 2017 Location: Canada Status: Offline Points: 13 |
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Posted: 29 July 2017 at 11:43pm |
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Ok so thanks to all of your help I made a bit of progress identifying it, which I'll post here for future reference.
Ok found holes there but no tag. By the way, any idea what that thing is dangling in the frame channel?  Didn't see any numbers near the front left spring shackle, but might need to clean it first. No remains of the original body, except maybe the grille and hood. There is a SN on the WP boss, it's P313XX (last two digits hidden). I'm still trying to figure out what a P serial number prefix for a hurricane F134 means.
After looking more closely it seems that yes, the frame attaches to the bumper with triangular gussets. Guess that makes it likely a 2A? 
No not really but it's an aftermarket fiberglass body. I'll double check the last two next time I see her I thought I took pictures of that part but guess I didn't. Apologies if this thread is too old to reply too, I just wanted to circle back and thank you guys for the help at least now I know it's a CJ2A frame.  |
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damar2yxr
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Posted: 30 July 2017 at 2:48am |
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Well if you put a gun to my head I'd say your frame is probably a CJ2a or MB. The bumper gussets give that away. The rest of it? Who knows. That "F" head doesn't belong there and that's a fact.
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eat,sleep,jeep
Proud father of a Marine, Army Dentist, Navy Pilot and a Princess. LIFE IS GOOD! 43MB,47CJ2-A,48CJ2-A X2,70Jeepster Commando 1/2 cab,84CJ-7, |
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cpt logger
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Joined: 23 Sep. 2012 Location: Western Colorad Status: Offline Points: 3043 |
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Posted: 31 July 2017 at 3:43am |
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Underlining & bolding mine. David, please understand that I am hassling you in good fun. I know that you are not "The Jeep Police", yet this post could be taken that way. I would tell you to lighten up, but you do not usually tell folks how to build their Jeep. I suspect that you never meant to come across that way.  "that's a fact.": It is your opinion that that engine does not belong there, it is not a fact. "That "F" head doesn't belong there": I do not know about that, It makes a little more power than the flat head. With the right carburetor, it fits just fine in the engine bay. No, it is not original. Yet neither is the tub. IMHO, It does belong in there. It is there now & If I understand correctly, it runs just fine. While it is not original, neither is a Buick, 225 CID, Odd Fire, V-6 in a CJ-3A. Yet my CJ-3A has one of those in there. Since it is mine I get to say what belongs in there, & I say the Buick V-6 belongs in my 3A. Since it is Venum's CJ-2A, Venum gets to say what belongs in there. |
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damar2yxr
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Posted: 01 Aug. 2017 at 12:10pm |
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no none of that is to be taken seriously. I am the least serious person out there but he was just trying to identify what he had there. With front bumper gussets his frame was probably a 2a or MB frame therefore the F head does not belong there.....cuz F heads weren't originally in a 2a....that was a fact. I was just trying to help him narrow his idea of what he had........the jeep police are out there! They aren't like Big Foot or ghosts in the insane asylum...they're real!
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eat,sleep,jeep
Proud father of a Marine, Army Dentist, Navy Pilot and a Princess. LIFE IS GOOD! 43MB,47CJ2-A,48CJ2-A X2,70Jeepster Commando 1/2 cab,84CJ-7, |
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Flatfender Ben
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Joined: 13 July 2014 Location: Nyssa OR Status: Offline Points: 2657 |
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Posted: 01 Aug. 2017 at 10:15pm |
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That thing on the inside of the frame rail appears to be the end off a steering dampener.
I've seen several bubba mounted dampeners. But never one mounted that way. Apparently the end broke off and got left on there.
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1947-cj2a
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Posted: 01 Aug. 2017 at 10:30pm |
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Looks like the frame is a little bent too.
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RICH
1947 cj2a (Toy From Hell) |
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cpt logger
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Joined: 23 Sep. 2012 Location: Western Colorad Status: Offline Points: 3043 |
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Posted: 01 Aug. 2017 at 11:42pm |
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David, That is what I figured.
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old stuff wrote: