ice-man
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Registered: 4th Oct 03
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Does anyone know what differences there are between the 1.6 GSI and the newer 1.6 sport. cos the GSI is one insurance group higher than the sport. cheers
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Skinner
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Registered: 14th Jul 03
Location: aberdeen drives:mk4 irmscher astra on 18's
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the gsi is higher because its got sideskirts and a differnt front bumper from the sport the engine is the same i think
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kerzo
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Registered: 10th Nov 02
Location: Norn Iron
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gsi has 109bhp and sport has 106bhp
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ice-man
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Registered: 4th Oct 03
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kerzo what is the specific difference that makes the GSI have 3 extra brake?
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kerzo
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Registered: 10th Nov 02
Location: Norn Iron
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gsi is pre ecotec and later gsi's and sports are ecotec which means they are slightly more restrictive to meet emission tests or some crap like that 
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dousey
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Registered: 21st May 03
Location: Selsey, West Sussex
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Doesn't the GSI have the C16XE engine and the sport has the X16XE not sure of the differences in these engine though?
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M4tt
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Registered: 18th Apr 03
Location: Potters Bar
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the early GSi's which had the black plastic inlet manifold were the C16XE lumps with 109BHP.
the later GSis and sports were X16XE lumps with 106BHP
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Greasemonkey
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Registered: 17th Apr 02
Location: Drives a Tractor
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the difference is, the X16XE has smaller exhaust valves where as the C16XE has valves 80% the size of the C20 XE engine, the X16 XE has EGR which restrics the engine too, the C16 XE seems to respond to tuning allot better than the later X16 XE, the C16XE is a bit old now but get a minter and ya laughing, my C16 XE is pusjing close to 140BHP now and when i drop in the re-built motor its gonna be over that cos its got ported polished head lightened and balanced etc
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kerzo
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Registered: 10th Nov 02
Location: Norn Iron
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quote:
Originally posted by dousey
Doesn't the GSI have the C16XE engine and the sport has the X16XE not sure of the differences in these engine though?
thats it the ecotec has the x16xe engine and the pre-ecotec is the c16xe but am i right in thinking there are some ecotec gsi's
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miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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there are some ecotec Gsi's.
I thought the c16xe/x16xe and x14xe had the same valves.
Slightly better ports of the c16xe and no egr. Slightly different exhaust cam profile IIRC.
Balancing wont give you more power.
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miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
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The C16xe and x16xe/x14xe also have different injectors, and an airflow meter rather than a map sensor.
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astra.n
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Registered: 3rd Oct 03
Location: lincoln
User status: Offline
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engines are the same its to do with the styling the sport looks like a normal corsa with a bit of colour coding ...boring
gsi looks the dogs
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ice-man
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Registered: 4th Oct 03
User status: Offline
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so are there any pro's to havin a X16 XE?
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astra.n
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Registered: 3rd Oct 03
Location: lincoln
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no they both give out the same power just made difrently dont know why
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M4tt
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Registered: 18th Apr 03
Location: Potters Bar
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the c16XE is more powerful than the X16XE, by a mere 3 bhp 
the X16XE is more restrictive....
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Neshol
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Registered: 10th Jul 02
Location: Midlands
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quote:
Originally posted by astra.n
engines are the same its to do with the styling the sport looks like a normal corsa with a bit of colour coding ...boring
gsi looks the dogs
 No they aren't, it's already been explained...
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astra.n
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Registered: 3rd Oct 03
Location: lincoln
User status: Offline
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whos going to argue over a poncey 3 bhp seen more power in my nans shits
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M4tt
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Registered: 18th Apr 03
Location: Potters Bar
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astra.n
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Registered: 3rd Oct 03
Location: lincoln
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thank you neshol
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astra.n
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Registered: 3rd Oct 03
Location: lincoln
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trust me next time worked on enough vauxhalls
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Neshol
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Registered: 10th Jul 02
Location: Midlands
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Right ok 
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Skipz
Member
Registered: 23rd Aug 03
Location: Falkirk: Drives:nothing but gettin another Corsa
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lol every horse counts when your on the 1/4 mile astra.n
i'm lucky if i could beat a robin reliant down the 1/4 mile the way my car is running looks the business tho just runs like sh*t should be sorted soon tho!
[Edited on 05-10-2003 by h18_oab]
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Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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quote:
Originally posted by astra.n
trust me next time worked on enough vauxhalls
You know fuck all then. The C16XE engine is superior to the X16XE. It may only have 3 extra BHP, but its 3BHP in the right place. Torque for the X16XE peaks at around 105lb/ft at 4k RPM, but the C16XE has 110 lb/ft at 3500RPM. This means peak torque is reached sooner, allowing the car to accelerate more rapidly. Peak power on the other hand is indentical, with both being reached at around 5500RPM. Also, there is a different compression ratio in the C16XE than the X16XE of 11.0:1 rather than 10.5:1. The bore and stroke are both the same IIRC. Also, the GSi looks far nicer than the Sport.
Dave
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miles
Member
Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
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Ditto Cybermonkey's first 5 words.
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ffls
Member
Registered: 29th May 02
User status: Offline
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The difference between engines is due to the difference in the compression ratio and EGR. Block the EGR and get a thinner head gasket to increase the CR or just skim the Head.
You'll get the same results.
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