pmr to forged swap - Ford Powerstroke Diesel Forum
 
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post #1 of 10 Old 10-15-2010, 07:26 AM Thread Starter
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pmr to forged swap

hey ive got an 03 7.3 it has the pmrs and i can get ahold of some forged ones i was just wondering how difficult of a job this would be or if its worth me trouble. i currently have 167k and a ts 6 pos chip.
thanks for any help
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post #2 of 10 Old 10-15-2010, 07:42 AM
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It would require a complete tear down of the motor. Unless you are wanting to do a bigger build later on or your having issues with your motor now and will rebuild it anyways it probably isn't worth it.

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post #3 of 10 Old 10-15-2010, 07:46 AM
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As ↑ stated you would need to pull the engine to replace them and then you might as well do rings and have the heads gone over.

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post #4 of 10 Old 10-15-2010, 11:31 AM Thread Starter
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ok so i shouldnt worry about it? im not planning any bigger builds for a while
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post #5 of 10 Old 10-15-2010, 11:37 AM
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wouldnt it just as simple to pull the engine, turn over and pull out rods and swap?

that is pulling the engine is easy for you and removing gps to release compression.

but whats been said is right. either do the rest in repairs or just wait.

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post #6 of 10 Old 10-15-2010, 11:55 AM
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IIRC you need to have the PMR crank with the new or used forged rods balanced as a unit. Just don't swap rods. I wish it was that easy, I would have done that allready. Stupid PMRs and Ford for going with them to save a dollar .

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post #7 of 10 Old 10-15-2010, 12:01 PM
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so the crank isnt forged as well when using forged rods?

i think it would be internationals design tho.

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post #8 of 10 Old 10-15-2010, 05:22 PM
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Quote:
Originally Posted by Jarrod B View Post
so the crank isnt forged as well when using forged rods?

i think it would be internationals design tho.
haha no no,

he means have the crank balanced once the new rods are installed, all engines are balanced with rods and piston on to stop unwanted vibrations, by changing the rods you can actually cause a bad engine vibration, you have to have your crank balance to the new rods, its smart and causing smoother running.

Get the forged and keep them for a build, its smart, or find an older motor with them and just build it up.

If your not looking for over 400HP PMR's will be fine..

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post #9 of 10 Old 10-15-2010, 05:45 PM
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Quote:
Originally Posted by 03_Turbo7.3 View Post
haha no no,

he means have the crank balanced once the new rods are installed, all engines are balanced with rods and piston on to stop unwanted vibrations, by changing the rods you can actually cause a bad engine vibration, you have to have your crank balance to the new rods, its smart and causing smoother running.

Get the forged and keep them for a build, its smart, or find an older motor with them and just build it up.

If your not looking for over 400HP PMR's will be fine..
Nice save. I guess I should have explained better. 03 Turbo hit the nail on the head.

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post #10 of 10 Old 10-16-2010, 03:46 AM Thread Starter
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ok got it ill just get the rods and keep them till im ready to go all out on it
thanks for all your help this place is the best
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