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Compression test figures?

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Old Apr 19, 2004 | 04:18 PM
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suggs
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Default Compression test figures?

Hi
can anyone give me the correct comp test figures for a MY00 Turbo2000 uk car please, what should they read for a healthy engine.

Thanks
H
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Old Apr 19, 2004 | 05:33 PM
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From: 'Nuneaton' - Home of The Stealth Scoob
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150 / 160 + You can hover between 145 / 125 with a slightly older engine, but with a newer engine you should expect higher more even figures, dependant on mileage.

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PNB
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Old Apr 19, 2004 | 06:22 PM
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my engines done 39000 if that makes a differance
Thanks mate
H
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Old Apr 19, 2004 | 08:56 PM
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The correct figures for your car are ... and I quote ..

146-175 5 psi (1.010-1.206 bar)
Limit is 138psi (0.951 bar)
Difference between cylinders no more than 7 psi (0.49bar)

Note difference between is 7 psi across all 4 so take one as a reference for the rest.

The wide tolerance is because the compression of these engines can vary from 7.8:1 up to 8.2:1

mileage should not really come into it.

Thats measured with all plugs aout cranking at an egnine speed of 200-300 rpm, suggest 10 revs for each test is all thats needed.

Remember that you will overheat the starter motor if you crank for too long.

bob
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Old Apr 19, 2004 | 09:10 PM
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thanks very much

H
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