damandblast
Member
Registered: 11th Sep 06
Location: Nottingham
User status: Offline
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Quick question:
Got myself a 1.4sri corsa, recently head gasket blew so thats been repaired along with a new rad, however since being back on the road which is around a week now the overall power in performance has dropped so much its noticeable.
I myself haven't done much on the engine side of things which is why i was asking if its common or maybe it's just my luck.
Driving down m1 today at points in 5th it wouldn't pass 82/3mph at stayed at around 4200rpm after a little it picked up to around 100/105mph. But it took a good couple of mins (5-10) before it even started to pick up where as before it wouldn't have any problems at all.
Any suggestions? or tips 
Ah love being dumb on this side of things
thanks anyhoo.
Jay
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damandblast
Member
Registered: 11th Sep 06
Location: Nottingham
User status: Offline
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C'mon guys
Need you opinion and possible solutions.
Is it worth having it re tuned, changing air filters and stuff? Or have we got to reconcile ourselves to a go slow uphill Corsa?
Di
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VegasPhil
Premium Member
Registered: 16th Jan 05
Location: Fareham, Hants Drives: Octavia VRS
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WHen was it last serviced? Perhaps and Oil Change, and changing the air filters and plugs would help if you haven't done it already?
Corsa 2.0 16v Vegas - Sold
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damandblast
Member
Registered: 11th Sep 06
Location: Nottingham
User status: Offline
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It had a full service when we bought it in August but, that was before the rad went and blew the head gasket. Shouldn't be the oil as that had to be changed with the repair.
Flat spots only noticed since it has come back from garage after the repair.
The engine itself appears to have some form of special air filter kit added (looks like an induction kit but don't think it is) was on it when we bought the car. Can this have been damaged when the gasket blew?
Know bugger all about the engine but it feels to me like it doesn't breath right? Does that make sense? And would this result in a loss of compression/performance?
Sorry rambling a bit.
Di
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Scotty C
Member
Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
User status: Offline
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Sure the headgasket was done properly?
Did you have the head skimmed? Do a compression test...
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Scotty C
Member
Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
User status: Offline
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Could be a tooth or two out on timing too
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damandblast
Member
Registered: 11th Sep 06
Location: Nottingham
User status: Offline
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Head gasket was skimmed yes, been told it can take up to 500 miles of driving before it comes back to normal. Shall see about that.
Any ideas on cost of these so called test or anything we can do ourselfs?
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Robin
Premium Member
Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
User status: Offline
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No engine light coming on on the dash?
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craig_s
Member
Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
User status: Offline
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you are supposed to drive it carefully for around 500 miles if you have been thrashing or putting the engine under load you may have blown the head gasket again.
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damandblast
Member
Registered: 11th Sep 06
Location: Nottingham
User status: Offline
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Was the cars 1st long run out since its repair, up until then it had been driven in 30mph zones so not really thrashed, which in my eyes wouldn't suggest the flat spots in power. Shall see how it goes.
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craig_s
Member
Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
User status: Offline
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its not just engine speed that will damage it.its loading on theengine i.e. you said you couldnt get it past 80 .did you have your foot to the floor?it might be an idea to re-torq your head bolts to.
[Edited on 29-12-2006 by sri power]
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damandblast
Member
Registered: 11th Sep 06
Location: Nottingham
User status: Offline
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When it was at around about 80mph i had my foot nearly fully down. After awhile it picked up but it took it's time.
Will get someone to check out the air filters soon. Head gasket is fine checked that over today.
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M303CGO
Member
Registered: 29th Dec 06
Location: Germany & Yorkshire
User status: Offline
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Mine has had an annoying loss of power, has been going through oil. Its not leeking, so think its the valve
stem seals, or probably more expensive bearings in bottom end.
Just an idea?
Mike
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