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I just recently purchased a 2000 ford f250 superduty v10 4×4 extended cab with 252,000 miles for* $200 with a blown head gasket. The truck was overheated pretty bad and also 2 of the freeze plugs blew out (1 on the front of the block and 1 on the back). I pulled the motor and sent the heads to a machine shop to have them cleaned, pressure tested and possibly shaved if they are warped but won't know until about a week from now. My question is since I'm this far into the truck should I be replacing anything else while the motor is out besides the new head gaskets, head bolts and exhaust manifold bolts ?
Timing chains and tensioners at least. Maybe you should think about the bottom end..crank, main bearings, rods, pistons and rings too with those miles.
Make sure you check the intake for any foreign objects. Jasper, when they sell a rebuilt V10, says to replace the old intake with new intake. A buddy replaced a V10 for a customer, didn't replace per Jasper instructions and something in the intake, not sure what it was, locked up the motor. Was it a coincidence? Or does Jasper have a reason they say to replace the intake. Might call Jasper and ask them this question.
I was mainly concerned about the parts that might have been damaged due to the motor running so hot and the amount of water that was in the oil. What could've been effected? Oil punp, water pump, crank bearings??? Thanks for any feedback
The person that I bought it from said that they ran it hot with no coolant or water in the truck causing the head gasket to go out and having water in cylinders 8, 9 and 10
Gotta check the block also. I went to put an engine together for a guy on ship with me. Had the head done and surfaced. The head started leaking as soon as we filled the cooling system. Pulled the head back off and checked the block, 0.005” low spot between #4 & #5, 6 cylinder. Had to strip and send the block in for resurface. It’s probably fine but it would suck if you found out after it was bad. My dad had a Rambler we overhauled and it kept blowing the right side head gasket. After the third blown gasket in 2 weeks, yes e got good at pulling the engine down, found the block was shaved on the right side. Put 2 all metal head gaskets on that side, problem solved.
If the engine had water in the oil or it got hot enough to possibly warp a head, I would strongly recommend a complete rebuild to include, oil pump, timing gears and chains, tensioners, main bearings, rod bearings, cam bearings, cams and lifters would also be a strong recommend. Send the crank out for inspection and you might have to polish the mains and throws. New rings and look at the pistons close, they may be fine.
Do this right and you’ll have an engine that’ll run longer than you. If you try to be cheap like some people will you could end up chasing problem after problem and it’s never gonna be right.
Gotta check the block also. I went to put an engine together for a guy on ship with me. Had the head done and surfaced. The head started leaking as soon as we filled the cooling system. Pulled the head back off and checked the block, 0.005” low spot between #4 & #5, 6 cylinder. Had to strip and send the block in for resurface. It’s probably fine but it would suck if you found out after it was bad. My dad had a Rambler we overhauled and it kept blowing the right side head gasket. After the third blown gasket in 2 weeks, yes e got good at pulling the engine down, found the block was shaved on the right side. Put 2 all metal head gaskets on that side, problem solved.
If the engine had water in the oil or it got hot enough to possibly warp a head, I would strongly recommend a complete rebuild to include, oil pump, timing gears and chains, tensioners, main bearings, rod bearings, cam bearings, cams and lifters would also be a strong recommend. Send the crank out for inspection and you might have to polish the mains and throws. New rings and look at the pistons close, they may be fine.
Do this right and you’ll have an engine that’ll run longer than you. If you try to be cheap like some people will you could end up chasing problem after problem and it’s never gonna be right.
I'm finding the parts rather cheap on eBay and what's going to go with those parts don't know who is the manufacturer of the parts but hope they're good quality
I wouldn't have messed with an over heated motor with that many miles. Find a good used replacement or a remaned long block you will be money ahead. If the tyranny hasn't been done you should pull it now while you have it torn down because it's next.
STAY AWAY from eBay parts. In my line of business I deal with Chinese manufacturing on a regular basis. Here is how they manufacture parts:
- A plant is contracted to make some sample parts. Parts are made as required, to exact dimensions and material properties. Plant gets full contract.
- After 2-3 months, plant subcontracts the manufacturing to another Chinese plant who will make them cheaper. Plant #1 makes a small profit by doing nothing. New plant uses substandard manufacturing techniques, and worse uses not approved materials (junk metal).
- Parts arrive in the USA and end up failing. No warranty as they were sold by crappy auto parts sellers on eBay.
Yes, this does happen regularly.
Unless you own a set of Mitutoyos and are measuring every single dimension, yet you still won’t get what you think you are getting.
STAY AWAY from eBay parts. In my line of business I deal with Chinese manufacturing on a regular basis. Here is how they manufacture parts:
- A plant is contracted to make some sample parts. Parts are made as required, to exact dimensions and material properties. Plant gets full contract.
- After 2-3 months, plant subcontracts the manufacturing to another Chinese plant who will make them cheaper. Plant #1 makes a small profit by doing nothing. New plant uses substandard manufacturing techniques, and worse uses not approved materials (junk metal).
- Parts arrive in the USA and end up failing. No warranty as they were sold by crappy auto parts sellers on eBay.
Yes, this does happen regularly.
Unless you own a set of Mitutoyos and are measuring every single dimension, yet you still won’t get what you think you are getting.
— DaveWho do you recommend buying parts from if not from eBay
I would think that Summit and/or Jeg’s would have all the parts you would need. Rock Auto might be a good option, as they seem to carry all the major brands.
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