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LinkBack | Thread Tools | Display Modes |
03-07-2011, 08:50 AM
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what kind of compression guage do i need to check a 95 7.3 turbo??
i was just wanting to know what kind of compression gauge to get so i can test all my cylinders ? and possibly where anybody thinks i should get one? i was also wanting to know what the minimum amount of compression it needs to run properly? plz help guys truck has been dead for over a year
 and now that its starting to warm up i wanna work on it again any input is apreciated
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03-07-2011, 09:29 AM
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if anybody dont know the compresion requirements thats alright im just worried about knowing what kind of compression gauge to get for it i can find the rest guys but if anyone knows about the gauge plz let me know
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03-07-2011, 01:35 PM
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I think 350 is the lowest you wanna see. lower, then that, and she's startin to wear...
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03-07-2011, 01:45 PM
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Harbor freight has a couple inexpensive compression testers.
Search results for: 'diesel compression gauge' A healthy PSD should be in the 400-450psi range after 4-5 cranks with the lowest cyl probably being no more than 25psi lower than the highest. As said above, below 350 and she's got problems. Last edited by AD5GB; 03-07-2011 at 01:56 PM. Reason: Brain fart
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03-07-2011, 03:42 PM
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ok thanks guys i apreciate it. but what if the compression is below 350? can i still get any more life out of it? or would it be time for a rebuild or new rings? let me know and once again thank u
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03-08-2011, 05:13 AM
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it will be hard to start. and it will probably only get worse.
at that point its time for rebuild, larger turbo, stage 2 injectors, bigger hpop, chip, tranny upgrade, etc...
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03-08-2011, 05:19 AM
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If it is time for a rebuild, providing you don't find serious damage(from broke ring,broke piston etc...) you can just re-ring it with a fresh hone job right??
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03-08-2011, 12:23 PM
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Most likely yes, depending on the condition of the cylinders, pistons and the clearance. That said I've seen diesels with over 200,000 miles on them that still have the factory cross-hatch marks visible.
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03-08-2011, 12:27 PM
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Thats kind of what I was thinking to but I like to hear it from some one else as well.
 Thanks
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03-08-2011, 10:17 PM
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well i hope mine isnt below 350 guess ill know after i get the gauge thanks guys
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