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| OzECruisers General Discussions E/N/D vehicles General Discussion ONLY. NO TECH THREADS |
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01-11-2005, 06:14 PM
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likes falcon's
Join Date: Jan 2005
Location: Melbourne
Posts: 6,091
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Cylinder #1 180psi
Cylinder #2 180psi Cylinder #3 180psi Cylinder #4 182psi Cylinder #5 180psi Cylinder #6 175psi this any good? what should i expect for an ED 4litre.
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www.carhubsales.com.au |
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01-11-2005, 06:18 PM
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Guest
Posts: n/a
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thats way to high for a turbo!
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01-11-2005, 06:19 PM
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likes falcon's
Join Date: Jan 2005
Location: Melbourne
Posts: 6,091
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what about with my current setup, with gas and that.
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01-11-2005, 07:02 PM
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#4 | ||
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Regular Member
Join Date: Aug 2005
Posts: 60
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no that is all very good readings, constant and still high
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No. Of Snapped Axles So Far: 2 |
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01-11-2005, 08:03 PM
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Two > One
Join Date: Dec 2004
Location: Adelaide
Posts: 7,063
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compression tests like this are just indictitive are they not, or are they an accurate representation of dynamic compression?
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1978 LTD - 408ci - 11.5@120.6mph - 2004 S4 - 4.2 - M6 - quattro - |
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01-11-2005, 10:45 PM
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#6 | ||
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Regular Member
Join Date: Aug 2005
Posts: 60
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ya well they are before the power stroke
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No. Of Snapped Axles So Far: 2 |
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02-11-2005, 12:59 AM
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Regular Member
Join Date: Feb 2005
Location: Mt Lawley, Perth
Posts: 36
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Thats perfect mate
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02-11-2005, 02:58 AM
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#8 | ||
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FF.Com.Au Hardcore
Join Date: Dec 2004
Posts: 1,381
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I did mine the other day and got almost exactly the same, 180+/- 2 or 3
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02-11-2005, 02:37 PM
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#9 | ||
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Banned
 
Join Date: Dec 2004
Posts: 8,303
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cylinder #6 is always a little low(er) isn't it?
Or am I making things up? |
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02-11-2005, 02:48 PM
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#10 | ||
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likes falcon's
Join Date: Jan 2005
Location: Melbourne
Posts: 6,091
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no idea lol i did it twice to see if it was a funny reading and it come up as that again
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02-11-2005, 03:03 PM
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#11 | ||
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Once shy... twice bitten
Join Date: Jan 2005
Location: 7-11
Posts: 958
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Is it hard to do or what? I wouldn't mind sussing mine out, my guess is that it's up sh|tcreek.
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The Devil crept into heaven... God overslept on the 7th... the New World Order was born on September 11. |
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02-11-2005, 03:06 PM
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#12 | ||
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Banned
Join Date: Dec 2004
Posts: 8,303
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When you do it, don't you pull out the spark plug and put the compression test probe into the spark gap? And then (somehow) hand crank the engine? The gauge then works like a typical pressure gauge and measures the PSI that the cylinder (when piston is at TDC) has in it...
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02-11-2005, 03:56 PM
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#13 | ||
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FF.Com.Au Hardcore
Join Date: Dec 2004
Posts: 1,381
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pull the plug out and replace it with guage (also stop fuel from going in - pull pump relay or unplug injector). then crank (not by hand) the engine for about 10 seconds. read the guage. You should also pay attention to how the guage needle moves.
any workshop manual has instructions on how to do it |
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02-11-2005, 03:59 PM
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#14 | ||
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likes falcon's
Join Date: Jan 2005
Location: Melbourne
Posts: 6,091
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the tester looks like a pump, twist it into the spark plug hole firmly and all i did was flick it to middle between gas and petrol ehhe
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compression test complete!
Linear Mode
