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Unread 01-06-2011, 08:12 PM   #1
1971cj6man
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CALLING ALL OLD TIMERS CJ2A engine Help!!!

I just got a cj2a, it's really cool... A old man jeep! Saved it from a farmer in chico who was going to let his workers use it out in the fields.
Anyhow the motor is a flathead in line 6 mated to a t90 tranny. As of now I cant tell what the motor is! No company name just the firing order on top of the motor along with bore and stroke. On the side of the block there is numbers by the alt 6LR142319

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Unread 01-06-2011, 08:13 PM   #2
1971cj6man
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Unread 01-06-2011, 08:15 PM   #3
1971cj6man
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Unread 01-06-2011, 09:33 PM   #4
1971cj6man
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O.k. I am thinking maybe a supersonic 6
Or a inline 6 out of a 1950's Willys areo
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Unread 01-06-2011, 09:40 PM   #5
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Unread 01-06-2011, 10:53 PM   #6
Eaallred
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Wonder if it's the Super Hurricaine 6 cylinder?

Definitly not the factory engine of course, but if it is still mated to the factory T90, then I would assume it was a Willys/Jeep engine to be able to bolt to it. Can't imagine anyone in the modern days of adapters doing any adapters to fit a flathead 6 into it.
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Unread 01-06-2011, 11:28 PM   #7
1971cj6man
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Umm... It's not the super hurricane, only because on the super 6 the exhaust and intake is on the passenger side. I agree with you Eaallred I also think it's a willys/ kaiser motor, but if it's from one of those willys cars or maybe a generator! Does that mean it could turn into a big boat anchor come time for service!! HAHA
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Unread 01-07-2011, 12:40 AM   #8
1971cj6man
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This is driving me up the wall!!!!
Willys Lightning engine l-148 or a l-161 ?
Both engines found in early willys trucks and wagons maybe even jeepsters
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Unread 01-07-2011, 01:00 AM   #9
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willys or kaiser?...there are several performance flat head wesites they may have a casting book.VERY cool find!
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Unread 01-07-2011, 10:18 AM   #10
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I'm stumped, I can't think of any flathead 6's with the manifolds on the right. Ruled out Ford, Dodge, IH, Studebaker, Willys/Continental, Hudson, Nash, Pontiac/GMC and Oldsmobile as all having the manifolds on the right side.

My only guess, and this is just pure idle speculation, is that it could be a Continental industrial 226 and in certain applications they had the manifolds on the left. But that's just a pure wild guess.
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Unread 01-07-2011, 10:35 AM   #11
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Looks like a 148 or 161 Willys Lightning-had left side manifolds. The 226 is a right side manifold.
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Unread 01-07-2011, 10:38 AM   #12
Cutlass327
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Ok, I'm stumped. Either I'm looking at the pictures backwards on my phone, or the manifolds are on the driver's side, which is the left side. You folks keep saying they are on the right.... am I missing something??
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1978 CJ5 258/T177/D300, '86 D30/D44 WT axles, 'glass tub windshield frame, and fenders, 31x10.5 BFG A/T, TDK galv'd frame - DD and weekend toy

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Unread 01-07-2011, 10:48 AM   #13
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Quote:
Originally Posted by Cutlass327 View Post
Ok, I'm stumped. Either I'm looking at the pictures backwards on my phone, or the manifolds are on the driver's side, which is the left side. You folks keep saying they are on the right.... am I missing something??
You are correct, and I edited my post to avoid further confusion. Left is the driver's side. Left and right are from the perspective of sitting in the driver's seat, not from facing the vehicle from the front.
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Unread 01-07-2011, 10:55 AM   #14
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Quote:
Originally Posted by duffer View Post
Looks like a 148 or 161 Willys Lightning-had left side manifolds. The 226 is a right side manifold.
Think you're right, although I couldn't find a single image of an L6-161 on the web to verify it. But it makes the most sense, as it would bolt up to the T90 without an adapter.

That's a great Jeep, and a really cool old-school engine upgrade. I wouldn't change a thing, drive it and enjoy it! Looks like I can even see a power brake booster on the firewall, has it been upgraded to swinging pedals? I would add a rollbar before doing much else though. Although flatties look cooler without them, it's cheap insurance against a broken neck.
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Unread 01-09-2011, 06:38 AM   #15
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WOW! Thanks to everyone who helped figure this one out! You guys are GREAT!!!
As for the jeep here is what it has- Supersonic 6, t90, dana18, some sort of pto, Dana 27, Dana 44, 11" brakes all around, Sami column/wheel, Sami swing pedal/brakes! Works good, not something I would do, kind of like putting Honda seats in a 1969 camaro! Umm... With in the last two days, the back wheel almost fell off. I put new wheel studs, rear wheel bearings, rear wheel seals, and rear brake lines! None of this by choice but rather when I started to fix the wheel everything else went to hell. It's what I get for a $700 FLATTY!! HAHA
I found Peterson's 4wd mag did a write up on this same set up, cool little history lesson.
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