1961 2ton dump
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1961 2ton dump
I have a 1961 Ford 2 ton dump truck. It has the original engine which is leaking coolant into the crankcase. I replaced the head gasket and still have the same problem. I then removed the head and had it pressure tested and it tested fine . Can't find any cracks in the block.Is there another larger engine option? It is a 262 straight six and a 4spd mamual transmission.
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From: Connecticut
If you want to stay stock, you'd have to put a 292 "Y" block in. THat's the only other optional engine in those. Could you have nicked the headgasket on re-assembly? The block deck warped? Head warped? Did you find coolant in any particular cyl? If you look over the cyls and the head, usually if it's getting in a cyl, you can see that a particular cyl is clean and the valve area on the head is nice and clean.
You could swap a later engine like a 352-360-390 FE engine in, these were used in 65-66's.
Barry
You could swap a later engine like a 352-360-390 FE engine in, these were used in 65-66's.
Barry
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I'm not particular about staying original with the engine. Would the V-8 engine bell housing fit the transmission? How about the 292 ? Are the engine mounts the same on the 292?
There is no apparent clean area evident indicating the presence of ethylene glycol. The head was plained and straight. The gasket upon examination by myself as well as my machinist indicated no nicks. there is no evidence of any leakage in any particular cylinder. I did remove the oil pan,cleaned it out ,then put it back on dry. Then I filled the block with anti freeze up to the level of the block deck to check for seepage. So far, there are no results from that test. Thanks for your help!
There is no apparent clean area evident indicating the presence of ethylene glycol. The head was plained and straight. The gasket upon examination by myself as well as my machinist indicated no nicks. there is no evidence of any leakage in any particular cylinder. I did remove the oil pan,cleaned it out ,then put it back on dry. Then I filled the block with anti freeze up to the level of the block deck to check for seepage. So far, there are no results from that test. Thanks for your help!
Last edited by plugmeister; Dec 28, 2004 at 03:16 PM.
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Have you tried a pressure tester to put air pressure in the system? I'm assuming the truck is together? If so, I'd try that by putting about 12-15lbs of pressure on the system to see if it leaks. Has the truck ever been overheated? If the heads been checked, and you get coolant in the pan, then it could be a internal crack somewhere in the block. Did you get the head magnufluxed?
The tranny in the truck now should bolt up to the later bellhousing off a 292 or a FE motor. You can't use a bellhousing off a 292 on a FE engine, they don't interchange. I've never done this swap, so I'm not 100% on this. Maybe someone who has will step up and offer some advice.
If you haven't put the 262 back together, I'd do so and try what I suggested. Try a good straightedge and a feeler guage on the block before you put it together. You can get a kit that will mag the head or block from NAPA if you find something that you might suspect as a crack.It's not cheap, around $45.00 .
Keep us posted.
Barry
The tranny in the truck now should bolt up to the later bellhousing off a 292 or a FE motor. You can't use a bellhousing off a 292 on a FE engine, they don't interchange. I've never done this swap, so I'm not 100% on this. Maybe someone who has will step up and offer some advice.
If you haven't put the 262 back together, I'd do so and try what I suggested. Try a good straightedge and a feeler guage on the block before you put it together. You can get a kit that will mag the head or block from NAPA if you find something that you might suspect as a crack.It's not cheap, around $45.00 .
Keep us posted.
Barry
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From: Elizabethtown, PA
Not familiar with your engine, just throwing this out there for you to chew on. Could it be a leak in the intake manifold? If the intake gets coolant through it, a bad gasket or intake may allow it to get sucked into the cylinders.
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Intake leak
Originally Posted by ddavidv
Not familiar with your engine, just throwing this out there for you to chew on. Could it be a leak in the intake manifold? If the intake gets coolant through it, a bad gasket or intake may allow it to get sucked into the cylinders.
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From: Saskatoon, Saskatchewan
Originally Posted by plugmeister
I don't see any evidence of an intake leak, however I need to rig up a way to pressure test it before I get too serious about tearing into the block. Any suggestions?
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Your 262 mounts onto the front crossmember and at the bell housing. All that will bolt to the bell you have is a 223 or a 262. the 292 will not bolt up.
You can change out to a FE bell mount housing and place a 331 thru 428 in there with brackets from a 65 66 f350 up
Or change to a 300 six bell mount housing. 65 66 from a F350 up.
The 300 six will mount in the front with the correct bracket in the same place as the 262.
The FE requires a bracket welded to the frame and the front cradle bracket in front of the engine due to the shorter overall legenth.
Changing out to a 292 or 312 still requires the front motor mount and correct bracket welded to the frame for the same reason as the FE.
Garbz
You can change out to a FE bell mount housing and place a 331 thru 428 in there with brackets from a 65 66 f350 up
Or change to a 300 six bell mount housing. 65 66 from a F350 up.
The 300 six will mount in the front with the correct bracket in the same place as the 262.
The FE requires a bracket welded to the frame and the front cradle bracket in front of the engine due to the shorter overall legenth.
Changing out to a 292 or 312 still requires the front motor mount and correct bracket welded to the frame for the same reason as the FE.
Garbz
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Is this pressure test system something that can be done with the head off? The reason is that the head was taken off for the second time for the same problem,and is off now. The head was not magnufluxed ,however it was pressure tested @ 55-60# pressure and was fine according to the machine shop.To my knowledge, the engine has never been overheated. I will defineatly check the block deck for warpage before re-assembly, however if it needs to be bored and sleeved I will have the deck planed at that time. What are the chances of an intake manifold leak? The engine ran fine and I would think it would be pretty tough for anti-freeze to get past the rings from there without noticeable rough running, but I could be wrong.I just got a call from a guy that has an old Ford dump with a strong 330 with a good tranny for $400. Any advise on a swap like that?
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I had thought of that, however I had just put in a new head gasket and am still getting coolant in the oil and the engine ran perfect. Wouldn't it be hard for coolant past the rings? Especially if the engine runs as smooth as it does. That's my logic,but I could be totally off base there too.My gut feeling is that there is a crack somewhere in the block,but I don't think it would be too hard to rig up a pressure test for that to eliminate one more thing.Thanks for responding!
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