View Full Version : Good compression tester?
krobinson
13-01-12, 09:45 PM
I want to test the compression on my C20XE before I fit it. Can anyone recommend a good compression tester? Also, anyone know what pressure should be across all cylinders to indicate a healthy engine?
Thanks
Keith
conza123
13-01-12, 10:02 PM
according to auto data the compression ratio should be 10,5 if that means any thing
according to auto data the compression ratio should be 10,5 if that means any thing
It means almost nothing regarding a dynamic compression test.
Anything over 150 psi WOT and all within 20% of each other :)
krobinson
14-01-12, 06:17 PM
Anyone recommend a tester I can buy?
thegingerwhinger
14-01-12, 10:22 PM
just buy a cylinder leakage tester, it connects to an airline and will let you know if you have any issues, you need to make sure both valves are closed obviously. ive got a snap on one and i think i paid about £100 for it.
http://www.halfords.com/webapp/wcs/stores/servlet/product_storeId_10001_catalogId_10151_productId_19 9553_langId_-1_categoryId_255216
Thats all you need mate
Like with a dyno its explicit accuracy isnt 'vital' since you will be doing back to back testing etc and comparing one with another.
I have one if you need a loan Keith!
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