Sooty
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Registered: 9th Mar 03
Location: FLAP CENTRAL
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b is 75bhp actually believe it or not
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xe_corsa_boy
Member
Registered: 10th Jul 03
Location: England
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DO NOT do a 1.2 16v conversion.
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Sam
Moderator Premium Member
Registered: 24th Dec 99
Location: West Midlands
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quote: Originally posted by Sooty
b is 75bhp actually believe it or not
No it's not. The X12XE engine only produces 65bhp. The one in the C is called the Z12XE I think, and produces 10bhp more.
Perhaps someone might want to scan in the engine spec page from their Vauxhall Corsa owner's manual to confirm this?
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Sooty
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Registered: 9th Mar 03
Location: FLAP CENTRAL
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no, the 1.2 16v from a b is actually 75bhp... ask Ollie... his was RR'd standard at 75bhp... sxi_boy can also vouch for this... im not sure how.. but there was some form of mix up, or underrating... evo also tested it at 75bhp
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Sam
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Registered: 24th Dec 99
Location: West Midlands
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If the X12XE had 75bhp then there must have been something wrong with it, because my Astra (82bhp C14SE) is about twice as powerful and is only 8v, both cars with auto boxes too! The Corsa I had seemed about as powerful as a 1.4 8v SPI!
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Sooty
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Registered: 9th Mar 03
Location: FLAP CENTRAL
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C14SE was a bit toilet...
as is the x12xe.... but it is 75bhp... hold this topic... chris will be on tonight
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Sam
Moderator Premium Member
Registered: 24th Dec 99
Location: West Midlands
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My C14SE (with modded airbox and K&N panel filter which adds 956bhp) is miles better than that piece of shit lawnmower engine (X12XE)!
My next engine in the Astra will have 6 cylinders...
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Sooty
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Registered: 9th Mar 03
Location: FLAP CENTRAL
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and have a manual transmition
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vibrio
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Registered: 28th Feb 01
Location: POAH
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the first of the 1.2 16V were rated at 65hp. the later corsaB's had 75hp. all corsa C's have 75hp.
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Sam
Moderator Premium Member
Registered: 24th Dec 99
Location: West Midlands
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If you mean me, no way, I'm going to have a nice AF25 auto box!
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Sooty
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Registered: 9th Mar 03
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hello ross how are you
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vibrio
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Registered: 28th Feb 01
Location: POAH
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quote: Originally posted by Sam
If the X12XE had 75bhp then there must have been something wrong with it, because my Astra (82bhp C14SE) is about twice as powerful and is only 8v, both cars with auto boxes too! The Corsa I had seemed about as powerful as a 1.4 8v SPI!
my 1.2 16V has 86hp as standard. your 1.4 is old
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Sam
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Registered: 24th Dec 99
Location: West Midlands
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quote: Originally posted by vibrio
the first of the 1.2 16V were rated at 65hp. the later corsaB's had 75hp. all corsa C's have 75hp.
Did the late Corsa B have the Z12XE engine then, or a revised X12XE?
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Sam
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Registered: 24th Dec 99
Location: West Midlands
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quote: Originally posted by vibrio
your 1.4 is old
Well my car is 8 years old, so yes, I guess it is old...
[Edited on 03/09/03 by Sam]
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Paul_J
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Registered: 6th Jun 02
Location: London
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OJC's which got rr'd standard at 75 was a X12XE.
Sam how the hell does a auto box work? surely it changes far too early as most users of an auto box won't be ragging it?
If so the sxi only performs if you drive it between 3.5k -> 5kish at all times.
Paul J
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vibrio
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Registered: 28th Feb 01
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quote: Originally posted by Paul_J
OJC's which got rr'd standard at 75 was a X12XE.
Sam how the hell does a auto box work? surely it changes far too early as most users of an auto box won't be ragging it?
If so the sxi only performs if you drive it between 3.5k -> 5kish at all times.
Paul J
Performs
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charcoalgrill
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Registered: 23rd Oct 02
Location: Bristol
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quote: Originally posted by Paul_J
quote: i heard it was just the corsa c that was 75bhp!! i tried keepin up wiv trotty but fuk me his car actually pissed all ova mine
maybe its your model? I've convoyed with trotty in the past and never had a prob staying behind him.
my car also lags behind trottys and jasons, but be cus their corsa c's
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Tom
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Registered: 3rd Apr 02
Location: Wirral, Merseyside
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Not worth the hassle still not gonna be anything like quick.
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Sam
Moderator Premium Member
Registered: 24th Dec 99
Location: West Midlands
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quote: Originally posted by Paul_J
OJC's which got rr'd standard at 75 was a X12XE.
Sam how the hell does a auto box work? surely it changes far too early as most users of an auto box won't be ragging it?
If so the sxi only performs if you drive it between 3.5k -> 5kish at all times.
Paul J
With the GM auto box, you have 3 'modes';
- Winter mode, which no-one ever uses unless you live in Antarctica or something
- Economy mode, which is basically the default setting when you put it into 'Drive'
- Sport mode, same as economy mode, but revs higher before changing gear
You can also use 1st, 2nd, and 3rd gear and (sort of) drive it as if it were a manual...
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Ditch
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Registered: 29th Nov 02
Location: St Albans Drives: JDM Celica GT4 WRC
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quote: Originally posted by Paul_J
A lot of people will disagree with you Bristolboy - many people with corsa B sxi's got em rr'd and got 75 - even printed in Total Vauxhaul.
Getting my car rr'd next sat so I'll know for sure then and finally put a end to the curiousity on what it is!
A fiesta 1.25 is supposedly 75 bhp too - yet I raced one on the m40 and we both topped out at around 117mph on the clocks (106/7 mph) and were basically not getting any further apart.
If there was 10 bhp difference + the fiesta's extra 50cc I think I'd have been left behind!
Paul J
out of interest, was the festa a zetec or the LX model with a zetec lump?
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Sam
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Registered: 24th Dec 99
Location: West Midlands
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I think the 1.25 16v engine is Zetec.
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Paul_J
Member
Registered: 6th Jun 02
Location: London
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zetec
and sam, still I'm sure with the auto you can't hang in that gear for a long time...
The reason your 1.4 8v felt so much faster I'm sure is the fact that the 8v has the power low down the rev range. So as soon as you put your foot down the power was there - this of course would suit the auto box perfectly and thus give you the best from the engine.
The 1.2 16v has all its power between 3.5 - 5ish k rpm, any lower and it just won't even move.
Regardless of the fact the auto box has 'sport' mode it wouldn't change at the right revs for the fact that most people who have auto's and 1.2 16vs don't race them.
ok it might of rev'd to say 3.5-4k before changing but then it drops back to 2.5k or whatever and would be out of the power...
Ask people like AdiSri and the people I went to southend with. When my car was running quite well I was able to almost keep up with 1.4 16vs just because my car was in the power when I floored it where there's might of just been a little under.
Most of the people I've driven with / raced have been shocked to find out its a 1.2 16v.
Only problem is its been going like a dead horse for several months - When I took it down the strip it was running crap.
I know a Sxi is never 'fast' but to get the best of it you have to run it in a certain rev range all the time!
Paul J
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vibrio
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Registered: 28th Feb 01
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this is a misconception. 16V produce their peak torque high up the revrange 8V motors produce theirs low down. 16V motors still have high torque figures 2500-3000rpm it's just that they are lower than peak.
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Sam
Moderator Premium Member
Registered: 24th Dec 99
Location: West Midlands
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If you use 1st, 2nd, and 3rd gears, you can rev it to the limiter. You cannot do this in 'Drive' or by using Sport mode.
I think my Corsa was just shit - there's a guy off here I raced against at Santa Pod ages ago, he had a 1.0 12v manual, managed to beat me to about 60-ish from what I can remember, although I was slowly going past him after that point as his engine ran out of puff, and mine had 4 cylinders!
He has a 2.0 16v in it now, don't know if you know him, has a private plate 'R17CH U' or something?
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Ditch
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Registered: 29th Nov 02
Location: St Albans Drives: JDM Celica GT4 WRC
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quote: Originally posted by Sam
I think the 1.25 16v engine is Zetec.
yeah it is, but they did a facelift model in 1996 (funny/flat headlights) and another facelift around a T or a V plate (headlights cut into bonnett), and the earlier models seem to have no problems passing the later ones. Must be a wieght advantage I suppose, becos the LX models didnt have PAS or air con
at racing 1.2 lawnmowers, my cars fecked becos or driving it at high revs and heavy breaking. They really aint built for it!!
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