LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Anyone in here ever throw a rod?

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Old May 5, 2004 | 12:00 PM
  #1  
ONELOUDKAR's Avatar
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Unhappy Anyone in here ever throw a rod?

Last night, after the bearing changes, we cranked her up and it had the same noise. We reved her some and all of the sudden..
bammmmm clunk nothing, the engine died and we heard a dripping from underneath, yeahhh, a big hole in the oil pan and a little piece of metal prolly 1" in diameter on the ground. Do you think I broke a piston? What do I do now? Pull the oil pan again and see where or which side it came from and pull that head and replace that piston? I am on a budget and cant afford to do all new pistons, so will I be ok to replace this one if thats the problem? Any input would be very helpful!


Thanks,
Mike
Old May 5, 2004 | 12:30 PM
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Re: Anyone in here ever throw a rod?

Originally posted by ONELOUDKAR
Last night, after the bearing changes, we cranked her up and it had the same noise. We reved her some and all of the sudden..
bammmmm clunk nothing, the engine died and we heard a dripping from underneath, yeahhh, a big hole in the oil pan and a little piece of metal prolly 1" in diameter on the ground. Do you think I broke a piston? What do I do now? Pull the oil pan again and see where or which side it came from and pull that head and replace that piston? I am on a budget and cant afford to do all new pistons, so will I be ok to replace this one if thats the problem? Any input would be very helpful!


Thanks,
Mike

Yea, thats what it sounds like. Sound slike you theough a rod. Go ahead and drain the oil and im pretty sure your going to find all kinds of nice shiny peices of your motor in there. You can get a replacment rod just like you cna get a replace ment piston as well. How many miles ar on your motor?, if its reletively high than I would go ahead and do a budget build and refresh the motor. Good luck
Old May 5, 2004 | 01:01 PM
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ONELOUDKAR's Avatar
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I have 124k on the clock now... what causes a piston to brake?
Old May 5, 2004 | 01:05 PM
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maybe you installed a bearing backwards? You didnt break a piston but probably a rod and hopefully not a main cap. I suppose it really doesnt matter though b/c you will have to pull the motor out now and rebuild or replace it.
Old May 5, 2004 | 01:09 PM
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Cant I just replace whatever was broke? The metal that came out was a very light piece of metal, arent the mains heavy? Where and how much is a rebuild kit?

-Mike
Old May 5, 2004 | 01:15 PM
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Originally posted by ONELOUDKAR
Cant I just replace whatever was broke? The metal that came out was a very light piece of metal, arent the mains heavy? Where and how much is a rebuild kit?

-Mike
maybe and maybe not. If you broke the rod which you probably did then I dont see how you can really fix that w/o pulling the motor out. Replacing bearings and broke/bent rods in a 124k motor is like duct taping your motor together... it wont last long and when it breaks again, there will likely be a lot more parts ruined.
Old May 5, 2004 | 01:20 PM
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ONELOUDKAR's Avatar
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So what all is included in a re-build? Where and how much is a kit?



-Mike
Old May 5, 2004 | 02:02 PM
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If you threw a rod you probably messed up the crank too. You will probably need a new crank. Sounds like you just need to pull the motor out and check everything out. Sometimes a thrown rod will come up and break the camshaft also.
Old May 5, 2004 | 04:07 PM
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ONELOUDKAR's Avatar
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Well, I will keep my fingers crossed that it did not do alot of damage. This car has been nothing but a headache every since I put a cam and everything else on it.
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