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  #1  
Old 03-31-2010, 09:29 PM
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bill11012 bill11012 is offline
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How do I check my block for cavitation?

I am about to pull my 7.3 that I think blew a HG.
How do I make sure that it has no cavitation?
I am afraid of getting it all put back togather with new parts just to find the block leaks.

If the block is good I am about a week away from my IDI being on the road.
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My V10 will out pull your PSD any day of the week,
If its close to stock and of the same age as my V10.

My IDI can't out pull anything.
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  #2  
Old 03-31-2010, 10:11 PM
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uh oh Bill.
your not going to like your v10 as much any more lol.
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  #3  
Old 03-31-2010, 10:18 PM
starmilt starmilt is offline
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Bill if you are pulling the motor anyway, the best way is to pull the pan and pressurize the cooling system and see where the leak is coming from. I would fill the radiator and pressurize each cylinder through the glow plug holes, before I pulled it the one or ones that overflows the radiator is going to be the cylinders to check.
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  #4  
Old 03-31-2010, 10:21 PM
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We'll see.
I don't hope for it to pull like the V10, it has around 100 less HP and 100 less TQ.
If it can get good fuel mileage then I will start using it on trips that I don't need to tow as much and/or run 75 and 80 towing to get there on time.

Joe says the IDI will pull harder than the V10, but I think he's just going crazy from being in California so long.
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My V10 will out pull your PSD any day of the week,
If its close to stock and of the same age as my V10.

My IDI can't out pull anything.
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  #5  
Old 03-31-2010, 10:25 PM
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Quote:
Originally Posted by starmilt View Post
Bill if you are pulling the motor anyway, the best way is to pull the pan and pressurize the cooling system and see where the leak is coming from. I would fill the radiator and pressurize each cylinder through the glow plug holes, before I pulled it the one or ones that overflows the radiator is going to be the cylinders to check.
Ok, and then after I pull the heads, If the HG does not look bad around those cylinders how do I check the block?
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My V10 will out pull your PSD any day of the week,
If its close to stock and of the same age as my V10.

My IDI can't out pull anything.
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  #6  
Old 03-31-2010, 10:32 PM
starmilt starmilt is offline
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After you pull the motor, pull the pan and pressurize it and if it is cavitation you should be able to see where it is, do this before you pull the heads.
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  #7  
Old 03-31-2010, 10:39 PM
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Ok, so pull the pan, leave the heads on and blow air in through the glow plug hole.
What keeps the air from pushing the piston below the cavitation hole?

Happy birth day BTW. Face book sent me a message saying it was this week.lol
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My V10 will out pull your PSD any day of the week,
If its close to stock and of the same age as my V10.

My IDI can't out pull anything.
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  #8  
Old 03-31-2010, 10:47 PM
starmilt starmilt is offline
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OK block off the water hose ports and pressurise the cooling system, while the pan is off.

It would be nice to be able to remove the pan while the engine is still mounted, but this is a pain.

If you have water coming out by the piston, you can now turn the motor by hand to get that piston to the top, then pressurise it again if the pressure rolls the piston back down it is usually a head gasket, and usually if it is cavitation it is obvious.
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absolutely no dodges.
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one town car.sold
If it breaks because of my advice
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  #9  
Old 03-31-2010, 10:52 PM
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Ok, that makes since.
I will pull it in the next 2-3 days and let y'all know what I find.
If its real bad I will post pics.

I am going to put it on a stand, so testing it should be easy.
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My V10 will out pull your PSD any day of the week,
If its close to stock and of the same age as my V10.

My IDI can't out pull anything.
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  #10  
Old 03-31-2010, 10:59 PM
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i said a turbo idi wile ur at it y not pull that v10 its just a boat anocher
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  #11  
Old 03-31-2010, 11:03 PM
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80 mph while towing.........ok your going to like the v10 then lol.
jeeze,im glad im not buying your fuel.ouch.
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  #12  
Old 03-31-2010, 11:06 PM
starmilt starmilt is offline
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If you have the tires to handle the weight your towing, 80 isn't out of the question.
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absolutely no dodges.
to many fords to list.
one town car.sold
If it breaks because of my advice
you can keep both halves
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  #13  
Old 03-31-2010, 11:31 PM
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bill11012 bill11012 is offline
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Quote:
Originally Posted by FORDF250HDXLT View Post
80 mph while towing.........ok your going to like the v10 then lol.
jeeze,im glad im not buying your fuel.ouch.
I have made a hand full of trips at 90. That drops the mileage as low as 6-7.5.
I used to do that when I had to much stuff to haul and not enough time.

Got one 88 in a 70 ticket and that hurt bad enough I try to not do that as much.
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My V10 will out pull your PSD any day of the week,
If its close to stock and of the same age as my V10.

My IDI can't out pull anything.
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  #14  
Old 03-31-2010, 11:33 PM
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bill11012 bill11012 is offline
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Quote:
Originally Posted by joe f350 View Post
i said a turbo idi wile ur at it y not pull that v10 its just a boat anocher
It runs great, Why would I pull it?

Just so you know, I will out pull an other wise stock turbo IDI.
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My V10 will out pull your PSD any day of the week,
If its close to stock and of the same age as my V10.

My IDI can't out pull anything.
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  #15  
Old 03-31-2010, 11:59 PM
joe f350 joe f350 is offline
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yea right i should start a idi vs v10 tread in the stupid duty fourms lol
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Old 03-31-2010, 11:59 PM
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