That green truck to the left in the background is a 1948 Studebaker COE truck. Very rare.
IH 1969 Scout 800A Dilapidated Ranchmobile (1 Viewer)
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- #42
I'm probably going to sell it eventually. I seem to be entering a very busy part of my life, and the Scout is just one more thing. I also hate having cars just sit. I need to do a few more small things, and I do want to give my uncle a drive in it first.
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- #43
...and that's why it didn't have much power... Only 4 cylinders firing...
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- #44
Boy howdy that went sideways! My plan for the day was to diagnose what I thought was a timing issue causing a lack of power, including the possibility of rebuilding the distributor. My friend stopped by to help and has much more of an ear for old American V8's than I have (I have none...). He poked, felt, and listened to it for a bit and then recommended we pull the valve covers. In retrospect I should have done this awhile ago...
4 bent push rods with 3 ejected valve lifters, and a ton of sludge. Corresponding valves and/or lifters were stuck. I think this led to the bent pushrods. I'm pretty sure the 304 is non-interference so I don't suspect bent valves, but that could be wishful thinking. Some Kroil, a block of wood and a BFH seems to be slowly unsticking the valves.
I removed all of the lifters and pushrods. I plan to disassemble each lifter and give it a thorough inspection and cleaning, hopefully unsticking the stuck ones in the process. New pushrods are available still. I am also going to disassemble and clean the rocker assemblies, and give the top of the heads and the block valley a good scrub.
Let this be PSA to change your oil regularly!
4 bent push rods with 3 ejected valve lifters, and a ton of sludge. Corresponding valves and/or lifters were stuck. I think this led to the bent pushrods. I'm pretty sure the 304 is non-interference so I don't suspect bent valves, but that could be wishful thinking. Some Kroil, a block of wood and a BFH seems to be slowly unsticking the valves.
I removed all of the lifters and pushrods. I plan to disassemble each lifter and give it a thorough inspection and cleaning, hopefully unsticking the stuck ones in the process. New pushrods are available still. I am also going to disassemble and clean the rocker assemblies, and give the top of the heads and the block valley a good scrub.
Let this be PSA to change your oil regularly!
Yikes. None of the cam lobes or lifters got wiped out?
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- #46
Some of the lifters have some wear (concave on the cam lobe touching surface), but no burrs, grooves or other noticeable damage. If I can get the sticky ones apart, cleaned and moving internally, I'll reuse them. However, like the pushrods, new lifters are also available. I haven't felt the cam lobes yet, but given that the lifters seem OK and none of the loose pushrods made their way into the lifter holes to touch the cam, I think (hope!) the cam is OK. I'll find out tomorrow!
Never install new lifters on a used cam. It will chew up one or the other in short mileage.
Clean up all the sludge in all of that with rinsing kerosene or diesel fuel through all of it, but do not run the engine with the kerosene in it.
A fair amount of that sludge is lead from the fuels and oils of the past. I had to use a putty knife to clean out all the goo under the intake manifold on my Studebaker.
Disassemble the lifters to clean and relube them. Make sure they are not sticky. Install new push rods.
Typical oil weight for that engine should be 20W-40. The new oils have better lubricity, but if you run a 10W-40 you won't be able to maintain proper oil pressure because it will all leak out before it gets to the last bearing.
You could use a new diesel oil in the heavier weight and that will wash a LOT of the crap out of it and do that with a couple of rounds of oil changes because diesel oil has a LOT of detergents in it. Chane the oil every 1000 miles or so until it looks clean.
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- #48
Camshaft looked OK as I rotated it around, hooray!
I got two lifters cleaned and reassembled and moving freely, and one of them was a stuck one. Reassembly is easy until it's time to put the spring clip in. The first one went flying...
...are these a somewhat generic part? I can buy whole lifters for $20 a pop, but that's kinda pricey just to harvest the spring clip from it...
I got two lifters cleaned and reassembled and moving freely, and one of them was a stuck one. Reassembly is easy until it's time to put the spring clip in. The first one went flying...
...are these a somewhat generic part? I can buy whole lifters for $20 a pop, but that's kinda pricey just to harvest the spring clip from it...
I know you're in the middle of nowhere, so maybe check eBay for some used lifters.
Otherwise, call local engine rebuilders and ask the question. I'll bet someone knows.
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- #50
I know I'm in the boonies, but I'm not that far from civilization. Or maybe I am?
What about an internal retaining ring?
Maybe? I say that with lots of hesitation because they're not designed with those initially and if it comes loose, now you have all those parts floating around inside there.......
If it was me, I'd spend $20 on a new one to rob the spring clip before I'd use a random Jesus clip not designed for it.
You CAN put new lifters on a used (good) cam. NEVER put worn out lifters on ANY cam. If the used lifters are within acceptable limits, you CAN reinstall them on the SAME LOBE they were originally on.
You might be able to find an inexpensive new set of lifters.
My caps aren't me yelling. Just emphasizing.
You might be able to find an inexpensive new set of lifters.
My caps aren't me yelling. Just emphasizing.
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- #53
When I pulled the lifters, I arranged them all in the cardboard with that in mind.
I handed a spring clip to my friend with the dyno shop and he's going to see if he can find a matching one (or several just in case!) in his spares pile.
I handed a spring clip to my friend with the dyno shop and he's going to see if he can find a matching one (or several just in case!) in his spares pile.
You CAN do it. Is it recommended? No.
Personal experience, pulled lifters from 350 Pontiac, lifters were worn through to the point they could not hold oil pressure.
Installed new lifters because needed to run the car.
It made it 150 miles and never ran again.
If it was mine, I would NOT do it. I would spend the extra cash to install a new cam and lifters.
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- #55
Struck out at the Dyno shop, two machine shops, and a carb shop, but a friend had a pile of stuck Ford lifters. The Ford clip fit darn near perfect!
Lifters done!
Up next was the rocker assemblies... @BILT4ME you weren't kidding! That was the nastiest sludge I've ever dealt with!
Rocker shafts had some wear, but all of the rockers move smoothly when reassembled with some oil.
Lifters done!
Up next was the rocker assemblies... @BILT4ME you weren't kidding! That was the nastiest sludge I've ever dealt with!
Rocker shafts had some wear, but all of the rockers move smoothly when reassembled with some oil.
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- #56
On to the archaeological excavation: I found some hieroglyphics!
