1972 Highboy Build Progress
Cargo Master
Joined: Nov 2005
Posts: 2,694
Likes: 45
From: La Ribera, Baja, Mexico
True thinking, but not many tourists visit a Harbor Freight, and most are hanging in resorts, drinking margaritas, and having fun int he sun. When the cruise ships are in, they dump about 2000 newly wed, over fed, and nearly dead tourists on the beach. The newly wed's just want to hug, grope, and feel, the over fed are looking for 29 tacos and a 6X Tshirt, and the nearly dead are trying to get a 4 legged walker across a cobble stone street. Now, the cruise ships have everything a tourist could want, (to eat) , other than the trinkets they sell on the beach.. Its the little things, like spices and condiments, that are rare to find, in the food chain. Tacos we have.. fish we have, specialty sauces and exotic things like /Thai spices are rare..
Now, that being said, old truck parts, like our trucks, are fixable here, with most parts being available in the big towns.. like San Jose, and Cabo... our town, not so much..
Now, that being said, old truck parts, like our trucks, are fixable here, with most parts being available in the big towns.. like San Jose, and Cabo... our town, not so much..
Cargo Master
Joined: Nov 2005
Posts: 2,694
Likes: 45
From: La Ribera, Baja, Mexico
I would, just to help the oil temp.... and its a good idea in warm climates... mine is a Six, with split headers, and so far I am having no problems in Baja, even in the summer heat, where daily temps can be mid to high 90's, with maybe 10 to 12 days in the 100's... no cooling issues so far...
Baja
Baja
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Elder User
Joined: May 2014
Posts: 617
Likes: 0
Ok, I'm tired but here goes... I'm getting ready to land the intake (tomorrow) and thought I would check to make sure both sides are oiling well. The left bank (drivers side) is oiling great about 3x that of the right bank. Then I noticed oil coming out of the waterpump port (see left side of pic where I have light on it. You can see the oil running down the engine). So what is going on?
Lead Driver
Joined: Aug 2003
Posts: 7,592
Likes: 10
From: **** hole San Jose ca.
Oh shxt that's a sad sight. But good that you ran the pump an caught it now. Time for some close inspection of head & block...
Hope it's a head problem an not the block good luck.
Orich
Hope it's a head problem an not the block good luck.
Orich
Posting Guru
Joined: Apr 2006
Posts: 1,477
Likes: 7
From: NAMPA, ID.
That definitely sucks. Hopefully and most likely a head gasket is leaking between the coolant and oil supply passages. I'd start with the right head since that is where the oil is first appearing.
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 421
From: Long Island USA
Without the rockers and shafts on there, there's really no oil "pressure" - so I doubt it's a head gasket unless the head was just laying on the block and sitting ****-eyed, and not torqued down.
I'm thinking a cracked oil galley (or rotted through). Not good. Take off the head, and put your finger over the oil feed hole in the block and spin that oil pump again. If more oil comes out, it's definitely the oil galley.
I'm thinking a cracked oil galley (or rotted through). Not good. Take off the head, and put your finger over the oil feed hole in the block and spin that oil pump again. If more oil comes out, it's definitely the oil galley.
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Elder User
Joined: May 2014
Posts: 617
Likes: 0
I have put a lot of time in this engine and it keeps testing me! One of my concerns... When I took the intake off and drained the coolant there was a tiny amount of oil in the coolant which I assume was left over from when I had the issue before. So I feel like I must have something apart that is allowing the oil to flow into the coolant. I'm frustrated with this engine. I did pull the 4 corner head bolts where they have the oil passages just to make sure they were clear. I also put those back in after testing the oil pump and still has the issue. I will pull the right head tonight and see what I find and do some more research.
Any and all thoughts are appreciated. Thanks for the tips so far!
If I cannot find the issue I will either look for another 390 to drop in or buy a reman engine. CME (Carolina Machine Engines) has a long block for 2k and a block assembly for 1k (according to their website). And I already paid a guy to rebuild the engine last summer so I'm trying to breathe deeply.
Any and all thoughts are appreciated. Thanks for the tips so far!
If I cannot find the issue I will either look for another 390 to drop in or buy a reman engine. CME (Carolina Machine Engines) has a long block for 2k and a block assembly for 1k (according to their website). And I already paid a guy to rebuild the engine last summer so I'm trying to breathe deeply.
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FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 421
From: Long Island USA
Um, never ever remove head bolts without untorquing the entire thing and then retorquing according to the pattern in the service manual. You might have ruined the head gasket if you didn't have those bolts in there while you were running the oil pump. Pull that head and see.
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Elder User
Joined: May 2014
Posts: 617
Likes: 0
I re-torqued the head bolts and that (on the surface) fixed the issue. So both side flow even and no oil where the water pump connects. So that means? Means I have rotted or cracked oil galley on the right bank? Head or block I'm not sure just yet. If I put RTV on the threads is that a good fix? Or does that mean I need a head or block? Also remember the reason I have it apart is because smoking on the right bank. I'm trying to make sure it's nessasary to pull the head.
If I do in fact need to replace that head, where do I find one?
If I do in fact need to replace that head, where do I find one?
Logistics Pro
Joined: Mar 2009
Posts: 4,835
Likes: 595
From: Minnesota
I think that means that you had a leak that you fixed. You say you have even oil flow and no oil in the water pump passage. Let it sit a day or two and try the oil pump test again. If the flow is still equal and no oil is present in the water pump button it up with the correct manifold bolts and get it started to see if everything is good.
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 421
From: Long Island USA
No, it means the head not being torqued down caused the oil leak. And I bet something else was going on with that head gasket causing it to burn oil.
Change that right head gasket. AND change the left one too. When you unevetly torque a head, the gasket gets compressed unevenly. There's a good change that you will blow one down the road (pun intended)
Change that right head gasket. AND change the left one too. When you unevetly torque a head, the gasket gets compressed unevenly. There's a good change that you will blow one down the road (pun intended)
Thread Starter
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Elder User
Joined: May 2014
Posts: 617
Likes: 0
No, it means the head not being torqued down caused the oil leak. And I bet something else was going on with that head gasket causing it to burn oil.
Change that right head gasket. AND change the left one too. When you unevetly torque a head, the gasket gets compressed unevenly. There's a good change that you will blow one down the road (pun intended)
Change that right head gasket. AND change the left one too. When you unevetly torque a head, the gasket gets compressed unevenly. There's a good change that you will blow one down the road (pun intended)
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Elder User
Joined: May 2014
Posts: 617
Likes: 0
Here's what I found: The oil was leaking thru those top 2 bolt holes in the back of block - At the bottom (side) of those threads rotted out or never there. They look clean down in the holes. I can not see rust or rot. When I put my finger over the oil hole in block it does Not leak oil in the water passages. It just needs thread sealer and correct torque. On the torque, I found specs that say 80-90, 100, 125, 140 ft-lb. Have new gaskets and thread sealer on way. Thanks for tips.