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Greasemonkey	posted on 16th Mar 04 at 11:10
	just run a feeler blade over the head to check its nice and true or the straight edge of a metal ruler, and just look for and warping, like he said you should be ok unless the gasses rushing between cylinders have damaged the head
Adam-D	posted on 16th Mar 04 at 10:47
	if its only just gone i wouldnt bother just make sure the head faces are clean and re-fit with new gasket
Adam_B	posted on 16th Mar 04 at 10:46
	skimming the head, whats involved and roughly how much does it cost?
Keith Piper	posted on 15th Mar 04 at 22:38
	Thats wot I said an hour and a half ago!
Greasemonkey	posted on 15th Mar 04 at 22:08
	lol, i just replied to this post on mig web, wip the head off ya got to do it any way, hope its only a gasket breach between cylinders
PaulW	posted on 15th Mar 04 at 22:01
	I had a gasket go between no. 3&4 cyl on my corsa, there was no compression at all on those two. but the hole in the gasket between the cylinders was about an inch big!
Keith Piper	posted on 15th Mar 04 at 21:58
	I reckon it valves. Its unlikely to be the gasket as the readings would be higher
vibrio	posted on 15th Mar 04 at 21:56
	quote: Originally posted by Adam_B it didnt make any difference when i putthe oil in could not read lol. maybe you got a big hole. I don;t think you'd have complete loss of compresison with a head gasket blowing. maybe valve problem
Adam_B	posted on 15th Mar 04 at 21:04
	it didnt make any difference when i putthe oil in
vibrio	posted on 15th Mar 04 at 20:47
	quote: Originally posted by Adam_B after receiving advice here - http://www.corsasport.co.uk/board/viewthread.php?tid=129400 i did a compression test today, cyl 1 - 14 bar cyl 2 - 11.5 bar cyl 3 - 0.5 bar cly 4 - 0 bar put some oil in 3 & 4 and got same results so that means the head gasket is shot between those cylinders yes? The other thing is cyl 1, why is it so high? according to Haynes manual its supposed to be around 10-11 bar Thanks :) oil in the cylinder to repair compression means your piston rings are probably shot to buggery
jr	posted on 15th Mar 04 at 20:19
	no i do thats the problem how deppresing must it be when you take the head off to see that :( [Edited on 15-03-2004 by jr]
Keith Piper	posted on 15th Mar 04 at 20:17
	Dont believe me I'll stick some pics up!
jr	posted on 15th Mar 04 at 20:14
	quote: Originally posted by Keith Piper Whatever it is you have to take the head off anyway. That'll tell you whats wrong. Normally on mine it's 16 bent valves and pistons with holes in :! :(
Tim	posted on 15th Mar 04 at 20:13
	You didn't just over-crank it when doing cylinder 1 or something?
Keith Piper	posted on 15th Mar 04 at 20:02
	Whatever it is you have to take the head off anyway. That'll tell you whats wrong. Normally on mine it's 16 bent valves and pistons with holes in
jr	posted on 15th Mar 04 at 19:40
	ask on mig adam, sure to get a response there
Adam_B	posted on 15th Mar 04 at 19:39
	quote: Originally posted by Adam_B The other thing is cyl 1, why is it so high? according to Haynes manual its supposed to be around 10-11 bar :boggle:
AdamF	posted on 15th Mar 04 at 19:24
	could also be valves but i did read you were getting oil in there so maybe not. take head off and see you will have to at some point anyway
Adam-D	posted on 15th Mar 04 at 19:24
	next up is to take the head off to see
Adam_B	posted on 15th Mar 04 at 19:21
	after receiving advice here - http://www.corsasport.co.uk/board/viewthread.php?tid=129400 i did a compression test today, cyl 1 - 14 bar cyl 2 - 11.5 bar cyl 3 - 0.5 bar cly 4 - 0 bar put some oil in 3 & 4 and got same results so that means the head gasket is shot between those cylinders yes? The other thing is cyl 1, why is it so high? according to Haynes manual its supposed to be around 10-11 bar Thanks :)