WhiteGSI
Member
Registered: 4th Jan 04
Location: Northampton
User status: Offline
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Alright lads, advice needed. iv got a corsa gsi . just had engine rebuild done and cylinder head sorted hard, new fast road cams and all that, new full stainless exhaust system. orignial gearbox is on its way out so a new one will be needed soon. i was wondering if there is a better gearbox i can bang on. the standard gsi one has quite a long gear change and you notice it more with all my mods, shorter gear change needed i guess. what should i do? any help appreciated
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modded_corsa
Member
Registered: 9th May 03
Location: Middlesbrough
User status: Offline
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not sure but u may be able to whack a F16 Close ratio box on
it will be better than the F15 you got on Already
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miles
Member
Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
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Why would an F16 be better? If it fitted, which it wont as its big block....
The the ratio's in the F15 seem fine to me, if I were you I'd fit another one.
How do you know its on the way out?
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WhiteGSI
Member
Registered: 4th Jan 04
Location: Northampton
User status: Offline
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it crunches a hell of a lot now and just had the linkage done. mechanic says its pretty worn out. its just generally feels pretty rough in general. i find the gear changes dont help my accelaration at all really.
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miles
Member
Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
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when was the oil last changed?
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stuyw
Member
Registered: 15th May 02
Location: North West Drives: Rev3 MR2 Turbo
User status: Offline
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id check oil 1st as this is the cheapest option, after that then start looking at other things it could be
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Fad
Member
Registered: 1st Feb 01
Location: Dartford Kent Drives: 330cd
User status: Offline
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yeah i'd cheack the oil etc but if ur flus and you got bout 1800 get a qauife straight cut box 
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Cybermonkey
Member
Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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yeah the F15 box is pretty good IMO. On change-up, it managed to keep the engine right in the power band. The ratios are good for the engine, regardless of modifications. You should try the F10 gearbox, now that has a LONG throw especially with the 1.2 8v engine
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