Projected horsepower
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From: Louisiana
I had drove the truck not to long ago and it ran fine, all the fluids were brand new since I had just changed the head gaskets. also i have a fuse on my battery since trucks don't come with one so I added one. The day before this I made an attempt to crank it but ot barely spun and popped the fuse, so the next Day I bought a new fuse and changed it and attempted to crank it with no luck and then I attempted to turn the crank by hand with no luck and then that's when I discovered this and breaking things down, I started with the plugs and just kept working my way down with every couple parts removed attempting to turn crank as I go until I found this
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From: switzerland
o.k., im not trying to be too smart, but i reckon "barely spun" is where the damage happened. but not dry.
i have some experience with leaking gaskets, fluid in cylinders and starting the engine like that. i bent a rod twice like that, i my youth, on different engines. but not dry. are you sure it was dry?
i have some experience with leaking gaskets, fluid in cylinders and starting the engine like that. i bent a rod twice like that, i my youth, on different engines. but not dry. are you sure it was dry?
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From: Louisiana
o.k., im not trying to be too smart, but i reckon "barely spun" is where the damage happened. but not dry.
i have some experience with leaking gaskets, fluid in cylinders and starting the engine like that. i bent a rod twice like that, i my youth, on different engines. but not dry. are you sure it was dry?
i have some experience with leaking gaskets, fluid in cylinders and starting the engine like that. i bent a rod twice like that, i my youth, on different engines. but not dry. are you sure it was dry?
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From: switzerland
i think:
1. the starter cannot bent rods/destroy pistons. does anybody disagree?
2. engine running even for a couple of revolutions can.
3. only if fluid is in there. how else?
btw, im not at all familiar with the "fuse". what is that, a breaker in the starting cirquit? 200+ amps?
1. the starter cannot bent rods/destroy pistons. does anybody disagree?
2. engine running even for a couple of revolutions can.
3. only if fluid is in there. how else?
btw, im not at all familiar with the "fuse". what is that, a breaker in the starting cirquit? 200+ amps?
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Joined: Oct 2022
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From: Louisiana
i think:
1. the starter cannot bent rods/destroy pistons. does anybody disagree?
2. engine running even for a couple of revolutions can.
3. only if fluid is in there. how else?
btw, im not at all familiar with the "fuse". what is that, a breaker in the starting cirquit? 200+ amps?
1. the starter cannot bent rods/destroy pistons. does anybody disagree?
2. engine running even for a couple of revolutions can.
3. only if fluid is in there. how else?
btw, im not at all familiar with the "fuse". what is that, a breaker in the starting cirquit? 200+ amps?
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From: Louisiana
Update, heads are at the machine shop, 250$ for the repairs, there a very well known shop and they said the can repair that's it's not a problem. Piston and rod is in route to my house so I'd say about 2 weeks and we should be back on the road, fingers crossed everything goes well
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Thinking that if it hydrolocked the first and second ring lands would have broken first , not the oil ring land . Hard to determine the exact chain of events, once broken the next time the rod came up the pin was no longer lined up properly and pushed the piston into the valves / head . Don't know , could be wrong here. What caused it to fail in the first place ? Over reved at some point ? Who knows with thar first shop that just took your money. Possibly a flawed piston , doesn't seem likely and haven't seen anything else fail like that . Earlier exposure to detonation maybe ? Again upper ring lands would usually break first . Just my thoughts
Thread Starter
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From: Louisiana
Thinking that if it hydrolocked the first and second ring lands would have broken first , not the oil ring land . Hard to determine the exact chain of events, once broken the next time the rod came up the pin was no longer lined up properly and pushed the piston into the valves / head . Don't know , could be wrong here. What caused it to fail in the first place ? Over reved at some point ? Who knows with thar first shop that just took your money. Possibly a flawed piston , doesn't seem likely and haven't seen anything else fail like that . Earlier exposure to detonation maybe ? Again upper ring lands would usually break first . Just my thoughts
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From: Louisiana
One thing you can do is put a dial gage at the top of a cylinder and rotate the crank. Measure the piston height. Then measure all the others. Make sure they’re all the same measurement. That should show a bent rod or some other malfunction.
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From: Louisiana
OK I'll definitely do that then, I think I'm going to try and find me and aluminum 5.3 block and start working on it on the side and hopefully get a few months out of the one I have or at least long enough to put another one together. I hate leaving vehicles shocked up not running, even more so when they have e85 in the tank
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Update, so apparently the valve seat ran away? That's the term that machine shop used, I understand the concept of what has happened but not sure if I'm saying it right, but apparently it came up over the valve and jammed the valve and caused the rod to bend and broke the piston. Heads now a yard decoration but machine shop had a spare one and is port matching it to the still good head and it was originally milled to .030 and now is milled to .035 which was just a precaution because the original good head may not have needed resurfacing but he went ahead and surfaced it. Just waiting to get it back and I'll slap everything back together. I got my hands on a matching piston and rod also so hopefully all goes well. Hate to buy another head gasket again, as this one literally has Maybe 5 miles on it, was considering using it again as it still looks brand new but not sure how good of an idea that is.
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From: Louisiana
I'm not real hip to that since they usually have 100K miles on them, but new ones like yours, absolutely reuse them.
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From: Louisiana
10-4 that's awesome to hear, im tired of buying the same parts over n over lol
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From: Louisiana
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So the valve seat worked its way out of the head , jamming the valve open which led to piston to valve contact and the rest is history. Good to know what happened!! Man , you have no luck! Good that you haven't given up , you will be enjoying it soon