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6 leaker issues

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Old Feb 28, 2012 | 08:30 PM
  #1  
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Unhappy 6 leaker issues

Hey fellas, I have some issues and would really value your input. I'll give you a quick rundown.

I bought a 2004 f350 Lariat last spring. 173,000km. Head gaskets were shot, oil cooler plugged ect. It had a 6'' lift new 38'' toyo mts, fresh tranny, injectors and a few other small mods. I paid $3,500 for it. I sent it to a buddy who is a ford mechanic and he installed arp studs, black onyx gaskets, egr delete ect.

I did a 08 harley interior swap, 06 headlight update, bush wackers, new wheels, another 3'' of lift and some 40'' rubber, sct tune, and a dash daq to monitor things.

Anyways I have put 25,000 km on the motor. Degass bottle has been puking on me for the past couple months. I finally did a pressure test on the cooling system and i didnt get very good news. It tested at 21 psi. No signs of white smoke. Truck seems to run good.

Is it worth fixing again? Should a guy do a 7.3 or a cummins swap? Or try and get the kinks worked out of this motor? Not really sure what direction i should head.
 
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Old Feb 28, 2012 | 09:25 PM
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40" tires, a big tune and never regeared it..... only asking for the concerns to continue to return no matter what engine is under the hood.
 
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Old Feb 29, 2012 | 04:54 AM
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Could have very well blown your head gaskets...

Black oynx have been bad news for a lot of people....

Or, it could be a cracked or warped head.......

What are your temps?
 
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Old Feb 29, 2012 | 05:39 AM
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The tune is a very mild one. Did install a tru speed to get the speedo and tranny shift points back to normal.

I am guilty of not re gearing. That was going to be the project for this month.

Temps are within normal operating paramaters.

I did come across a possible replacement motor last night that has been studded ect. Need to try and nail down a price.
 
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Old Feb 29, 2012 | 05:46 AM
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My first question about the heads would be whether they were resurfaced or if the gaskets were just replaced. For the price you paid for the truck you still have a LOT of wiggle room money wise. That's actually not many miles/km's on the rotating assembly and pistons. I think you just need to have the heads redone and address the tire/regearing issue.

If you are judging temps by the factory gauges they are actually nothing but idiot lights with needles.
 
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Old Feb 29, 2012 | 05:55 AM
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Heads did not get resurfaced.....he informed of this after everything was buttoned back up. Guess he was looking for a repeat customer lol

What gearing ratio would you guys recommend?
 
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Old Feb 29, 2012 | 05:59 AM
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Originally Posted by lukeg
Heads did not get resurfaced.....he informed of this after everything was buttoned back up. Guess he was looking for a repeat customer lol

What gearing ratio would you guys recommend?
That's the whole issue with your heads. Get them done right and go back with OEM gaskets and you should have a trouble free truck. And FWIW--I'd have pitched a bitch about the heads not getting resurfaced.

I'll defer the regearing question to one of the 4x4 guru's or you may want to check in the superduty/heavyduty forum.
 
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Old Feb 29, 2012 | 08:54 AM
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Originally Posted by npccpartsman
That's the whole issue with your heads. Get them done right and go back with OEM gaskets and you should have a trouble free truck. And FWIW--I'd have pitched a bitch about the heads not getting resurfaced.

I'll defer the regearing question to one of the 4x4 guru's or you may want to check in the superduty/heavyduty forum.
Tim, correct me if wrong but the max on resurfacing heads on the 6.0 is .004 to .005. After that new heads are in order. Also check for cracks, mag testing.
 
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Old Feb 29, 2012 | 09:12 AM
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I thought Max was .008 for resurfaceing. .004 is fords spec when checking the heads for warpage. But they just replace them if they are that far out.
 
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Old Feb 29, 2012 | 07:11 PM
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Thanks for the input guys! I guess i'll be ordering some parts. Was getting bored with nothing to work on!
 
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Old Mar 1, 2012 | 05:59 PM
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Would anyone happen to know of a site with aftermarket or refurbished heads?
 
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