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Author Compression - X16XE
Scotty C
Member
Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
User status: Offline
14th Jan 11 at 16:31   View User's Profile U2U Member Reply With Quote
What is the typical compression on a x16xe - Wet and dry?

Pretty sure my valve stem seals are gone but I wanna make sure it's not piston rings before I rip it apart

Thanks
AlexW
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Registered: 25th Oct 08
Location: Essex
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14th Jan 11 at 18:13   View User's Profile U2U Member Reply With Quote
If it goes up when wet, its rings.

Different engines will give diff readings due to how worn in and stuff.
Scotty C
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Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
User status: Offline
14th Jan 11 at 21:55   View User's Profile U2U Member Reply With Quote
Yeh I can appreciate that, that's why I wanted to do a wet/dry compression test.

But what's the minium - maximum psi for the engine to be classed as 'healthy'?
nad123
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Registered: 25th Jun 09
Location: south wales
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14th Jan 11 at 23:50   View User's Profile U2U Member Reply With Quote
i looked into this and i dont think theres a specific answer. personally i would say 180 psi would be good. what you dont want is more than around 10 psi difference per cylinder iirc

[Edited on 14-01-2011 by nad123]
Scotty C
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Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
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15th Jan 11 at 00:15   View User's Profile U2U Member Reply With Quote
Ok cheers mate and that goes for the wet & dry tests does it? Eg - 187psi dry and 197psi wet would be fine?
nad123
USER UNDER INVESTIGATION - DO NOT TRADE

Registered: 25th Jun 09
Location: south wales
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15th Jan 11 at 02:27   View User's Profile U2U Member Reply With Quote
no between each of the four cylinders wet or dry
Scotty C
Member
Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
User status: Offline
15th Jan 11 at 08:24   View User's Profile U2U Member Reply With Quote
Just found out anything between 174 - 218 psi is good ta

 
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