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Author 16v or 8v?
Tiger
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Registered: 12th Jun 01
Location: Leicestershire Drives:Astra VXR
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6th Apr 03 at 16:12   View User's Profile U2U Member Reply With Quote

What would you personally go for?

Im an 8v man all the way.

16v engines are over-rated and way too much hassle with unreliability being their worst point.
Voyto
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Registered: 9th Feb 03
Location: Stafford
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6th Apr 03 at 16:27   View User's Profile U2U Member Reply With Quote

16v, just coz i got one
Tiger
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Registered: 12th Jun 01
Location: Leicestershire Drives:Astra VXR
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6th Apr 03 at 16:29   View User's Profile U2U Member Reply With Quote

I had one - i wouldnt have another.
PaulW
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Registered: 26th Jan 03
Location: Atherton, Greater Manchester
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6th Apr 03 at 16:31   View User's Profile U2U Member Reply With Quote

8v all the way!!
mattyboy199
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Registered: 5th Feb 03
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6th Apr 03 at 16:38   View User's Profile U2U Member Reply With Quote

dunno had a 1.4 8v mk3 astra & 1 st & 2nd were nt to bad now i have the gsi 16v its alright 1st is poor
Red_SXi
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Registered: 23rd Sep 02
Location: Dunstable Drives: 52 Plate BMW 3 M Sport Coupe
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6th Apr 03 at 16:40   View User's Profile U2U Member Reply With Quote

Obviously 16v, otherwise they would make cars available in 8v, 16v is better performing, better economy, smoother and less noisy. In a few years no cars will be made in 8v form.

By 8v i mean 2 valves per cylinder as apposed to 4 valves per cylinder, so come 6 cylinder cars will be 12v, and others will be 24v

[Edited on 06-04-2003 by Red_Sxi]
Tiger
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Registered: 12th Jun 01
Location: Leicestershire Drives:Astra VXR
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6th Apr 03 at 16:41   View User's Profile U2U Member Reply With Quote

My GSi had really uneven power delivery.
CORSA NUT
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Registered: 3rd Aug 01
Location: Wirral
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6th Apr 03 at 16:42   View User's Profile U2U Member Reply With Quote

16V all the way.

Saying that my AXGT was great fun.
Tiger
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Registered: 12th Jun 01
Location: Leicestershire Drives:Astra VXR
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6th Apr 03 at 16:45   View User's Profile U2U Member Reply With Quote

16v are better performing but the reliabilty is far worse than an 8v - you can do a lot more work on a 8v yourself and i find them stronger engines, the 16v's are dainty.

As for smoother - id say completely the opposite - the torque curve is far too radical and 16v engines are noisier too - put your foot down in a 16v engine and an 8v and listen to the difference.
ainsley_brader
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Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
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6th Apr 03 at 17:14   View User's Profile U2U Member Reply With Quote

16v is better all the way and wheres the unreliabiltiy?
Sooty
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Registered: 9th Mar 03
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6th Apr 03 at 17:15   View User's Profile U2U Member Reply With Quote

Funny... had 2 16V cars... done about 40k in both of them conbined... never ONCE had a mechanical problem with either.

16v anyday for me
Tiger
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Registered: 12th Jun 01
Location: Leicestershire Drives:Astra VXR
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6th Apr 03 at 17:23   View User's Profile U2U Member Reply With Quote

Ive had 4 cars three 8v's and one 16v.

every 8v was sound as a pound - never had one problem, has the GSi and it was riddled with them - the result was me loosing 2000 quid on it and getting rid coz it was totally uneconomical to fix - an 8v would have been cheap in comparison.
Tiger
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Registered: 12th Jun 01
Location: Leicestershire Drives:Astra VXR
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6th Apr 03 at 17:24   View User's Profile U2U Member Reply With Quote

I did twice the mileage in the 8vs as well.
CORSA NUT
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Registered: 3rd Aug 01
Location: Wirral
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6th Apr 03 at 17:26   View User's Profile U2U Member Reply With Quote

How can you compare them then??

Try owning 2x 16V and 2x 8V then maybe youre views will change.

I've had 3 8v and 2 16V and i just tended to rag the 8V's but the 16V are a lot more drivable and you can use the revs to make the car perform right(if you get what i mean )
Tiger
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Registered: 12th Jun 01
Location: Leicestershire Drives:Astra VXR
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6th Apr 03 at 17:28   View User's Profile U2U Member Reply With Quote

I think its a fair comparison - i had 4 cars - the only one that was sh!t was the 16v one!
ainsley_brader
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Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
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6th Apr 03 at 17:29   View User's Profile U2U Member Reply With Quote

how can you say that you maybe bought a shit car
ainsley_brader
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Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
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6th Apr 03 at 17:30   View User's Profile U2U Member Reply With Quote

What problems did you have with the 16v engine
Tiger
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Registered: 12th Jun 01
Location: Leicestershire Drives:Astra VXR
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6th Apr 03 at 17:33   View User's Profile U2U Member Reply With Quote

Valve lifters, porous head, MAS went as well.

The car was serviced at vauxhall every time as soon as it was due and did mainly motorway miles.
Mikorsa16v
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Registered: 2nd Sep 02
Location: Burgess Hill, West Sussex
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6th Apr 03 at 17:33   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Red_Sxi
Obviously 16v, otherwise they would make cars available in 8v, 16v is better performing, better economy, smoother and less noisy. In a few years no cars will be made in 8v form.

By 8v i mean 2 valves per cylinder as apposed to 4 valves per cylinder, so come 6 cylinder cars will be 12v, and others will be 24v

[Edited on 06-04-2003 by Red_Sxi]



Says it all for my view
ainsley_brader
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Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
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6th Apr 03 at 17:43   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Tiger
Valve lifters, porous head, MAS went as well.

The car was serviced at vauxhall every time as soon as it was due and did mainly motorway miles.


First time ive ever heard of a porous head on a 16xe, valve lifters did they give up or go noisy?
SportBoy
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Registered: 5th Oct 01
Location: Retford, Nottinghamshire
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6th Apr 03 at 17:44   View User's Profile U2U Member Reply With Quote

cams wear out fast on an 8v do they not? oh and that soddin cam cover gasket
ainsley_brader
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Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
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6th Apr 03 at 17:46   View User's Profile U2U Member Reply With Quote

cam cover gasket on 16v :S theres two and there much more hard work lol
Tiger
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Registered: 12th Jun 01
Location: Leicestershire Drives:Astra VXR
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6th Apr 03 at 17:48   View User's Profile U2U Member Reply With Quote

Porous heads arnt that rare on GSi's just that it doesnt always cause problems. Valve lifters were sticking .

Going back to the head - its so much more for a 16v head than it is an 8v..
ainsley_brader
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Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
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6th Apr 03 at 18:17   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Tiger
Porous heads arnt that rare on GSi's



Far from common
Bennn
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Registered: 20th May 01
Location: was newcastle now Sweden
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6th Apr 03 at 18:50   View User's Profile U2U Member Reply With Quote

i think basically you are just trying to say 16vs are more expensive to fix when something does go wrong?

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