break
Member
Registered: 2nd Nov 03
Location: Brisbane, Australia
User status: Offline
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Hey everyone, just about to give my Corsa C an oil change but the bloody sump nut is on FAR too tight. Is there some trick to it?
Also, for the hell of it I threw my stock standard corsa C (1.4l) on the dyno. Here is the result at the front wheels with high octane premium fuel. (please forgive the photo, I don't have a decent digital camera at the moment, only the camera on my phone).
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CorsAsh
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Registered: 19th Apr 02
Location: Munich
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73 at the wheels? If not, your 1.4's performing like a 1.2 
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AndyCorsa
Member
Registered: 24th Oct 03
Location: Macclesfield, Cheshire
User status: Offline
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Yeh think the 1.4's are supposed to run at 90 standard.
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Smiffie
Member
Registered: 26th Feb 04
User status: Offline
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Yes lads but dont 4get the 25% rule.
The 1.4's run 90bhp standard AT THE FLYWHEEL, the power at the wheels is alwasy 20-25% less because of friction while getting from the flywheel to the wheels.
90bhp - 25% is actually 67.5bhp at the wheels so the car is running a few more horsepower than standard :thumbs;
Its running about 100bhp at the flywheel which of course is 10bhp up from standard 
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chris_uk
Premium Member
Registered: 8th Jul 03
User status: Offline
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it says at the bottom of that pic HP 100.9
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Adam-D
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Registered: 11th May 02
Location: Cheshire
User status: Offline
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maecs sunp nut was rounded off etc i got a pair of mole grips, put them on as tight as possible, then heated it all up with a blow torch. came off dead easy then
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Smiffie
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Registered: 26th Feb 04
User status: Offline
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quote:
Originally posted by chris_uk
it says at the bottom of that pic HP 100.9
yeah well spotted
this must b an aytomatic converter that works out from the horsepower measured by the RR at the wheels what the horsepower is at the flywheel
100.9bhp sounds right and proves what i said above 
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chris_uk
Premium Member
Registered: 8th Jul 03
User status: Offline
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not bad from a 1.4i,
wonder what mine is..
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AK
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Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
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over reading IMO if its a std car...... rollers are prob out
AND just noticed..... it was done in 3rd gear  most runs are 4th.......
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nassau
Member
Registered: 15th Jul 03
Location: west lothian
User status: Offline
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mine measured 68 at the wheels, roughly 98 at the fly on 95ron....
how's the car run ? i think these latest engines are 'lazy'....not a patch on the early 16valvers, it's starting to loosen a bit now at 28,000 plus k&n panel filter and modded airbox has helped.
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break
Member
Registered: 2nd Nov 03
Location: Brisbane, Australia
User status: Offline
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Adam Kindness,
The run was done in 3rd as the dyno was calibrated for 3rd. I understand MOST runs are done in 4th... BUT, it was definitely set for a 3rd gear ratio as a friend with a stock 4G63 based car (105kw 2L 4cylinder from mitsubishi) recorded 94.9hp @ wheels in 3rd which is spot on for his car.
But yeah, the reason for the extra hp is the fuel without a doubt. I refuse to put anything less than 100 octane in the tank.
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