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  #1  
Old 12-20-2009, 10:53 AM
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4.6 problems

were woorking on a 2004 ford 6.4 gasser. Weve got inconsistent compression all over the place. Ranging from 90 to 185 PSI and everything in between. Any ideas?
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  #2  
Old 12-20-2009, 11:03 AM
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Had no idea they made a 6.4 gasser......
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  #3  
Old 12-20-2009, 11:06 AM
PMR = JUNK

 

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6.4 gasser?
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  #4  
Old 12-20-2009, 11:08 AM
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maybe you mean 5.4 gasser?
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  #5  
Old 12-20-2009, 11:13 AM
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is it the triton v10 if so it is not 6.4 i believe it is 6.8 L
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  #6  
Old 12-20-2009, 02:14 PM
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lol sorry I just swapped it around. Its the 4.6L
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  #7  
Old 12-20-2009, 03:02 PM
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Is it like that on both sides? How many miles is on it?
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  #8  
Old 12-20-2009, 07:00 PM
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Quote:
Originally Posted by LBSRACING View Post
Is it like that on both sides? How many miles is on it?
Yes, it is the same on both sides. Truck has just under 60,000 miles on it.
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Old 12-20-2009, 07:06 PM
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Well I don't see an engine with that few of miles being worn out that bad or having both blown head gaskets. I would check to see whats going on with the valves maybe not all of them are closing when your doing your check. This one has be alittle baffled. Why was you checking the compression in the first place?
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  #10  
Old 12-20-2009, 07:10 PM
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No i dont imagine its too bad, but I also know nothing about the trucks history or the owner. Truck has a pretty nasty miss and is real tempermental on startup. Did all common things like oil,plugs,filters etc. but it didnt make a difference.
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