Patrick
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Registered: 25th Apr 02
Location: SE London
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As above. ^^
Right, I need to get a new gearbox fitted due to mine going boom. Most of you will know that my car used to be a 1.2 16v Sxi so the gearbox that has just gone would be the one that come as standard with that car. I have had a 1.6 16v engine fitted now though so the extra power has obviously taken its toll on the gearbox.
What I want to know people is... Can any Corsa gearbox be fitted easily to my engine and what box will give the best acceleration? Sport/Gsi or the same old Sxi box again?
I'm only gonna get a second hand one as I will be selling very shortly and dont wanna pay out about £1k for Vauxhall to fit me a brand new one.
[Edited on 07-08-2003 by Patrick]
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Kris TD
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Registered: 25th Mar 02
Location: Ware, Hertfordshire
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get a gsi box, sxi has an f13,
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Patrick
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Registered: 25th Apr 02
Location: SE London
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Would a Gsi box improve acceleration?
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Blazer
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Registered: 31st Aug 02
Location: Devon - Drives: frost blue 1.4L 8V
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yeah get a gsi box, of course it would improve acceleration, because the gearing in them is designed for top of the range engine
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Patrick
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Registered: 25th Apr 02
Location: SE London
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^^ Not necessarily. I thought the lower spec boxes had shorter ratios therefore improving acceleration.
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Daimo B
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Registered: 20th Mar 00
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F13 gb are short ratio. For the power you ahve i'd suggest min of an F15 box.
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miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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The 13 in F13 means that the box will take 130lb/ft of torque. So it should be ok. Obviously the F15 from a 1.4/1.6 16v will be a bit more robust.
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Daimo B
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Registered: 20th Mar 00
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F13 is in the 1.2 16v and 1.4 16v. F15 is in the GSi/1.6 Sport.
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stuyw
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Registered: 15th May 02
Location: North West Drives: Rev3 MR2 Turbo
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ive got an F16 in mine, prefer it to the F20
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StuartGee
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Registered: 10th Dec 02
Location: Ellon, Aberdeenshire
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Sport boxes are also close ratio, so will help in the acceleration department.
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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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No, the 1.4 16v's also have the F15, well, at least some of them do.
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Patrick
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Registered: 25th Apr 02
Location: SE London
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So, the F16 will fit a 1.6 16v Corsa? 
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Gambit
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Registered: 5th Jun 00
Location: Common Sense HQ
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is the F16 upwards not big block gearboxes?
i.e. it wont fit a 1.6
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Patrick
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Registered: 25th Apr 02
Location: SE London
User status: Offline
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Someone said they thought F16's were on some Corsa Gsi's
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miles
Member
Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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F16 is big block. Wont fit.
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stuyw
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Registered: 15th May 02
Location: North West Drives: Rev3 MR2 Turbo
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nah, as said its too big for 1.6 and below engines. think F15 is biggest u can go 
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miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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I think the new Corsa C sri's have a F17, might be wrong though
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Gambit
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Registered: 5th Jun 00
Location: Common Sense HQ
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but is the 1.8 not a big block??
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miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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Good point gambit 
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miles
Member
Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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Actually, isn't the Sri a 1.8 small block?
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ainsley_brader
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Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
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i thought it was big block?
and yes 1.4 16v f15
some f13s were also wide ratio
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Daimo B
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Registered: 20th Mar 00
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They must have fitted the F15 gb to the later 1.4 16v Sport models then???
And how are teh stats still exactly the same with different gear boxes???
My old box was an F13. In fact, i'll make a point of asking a vaux mechanic at the weeend (and hes no cowboy either, he knows his vauxhalls rather well  )
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miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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By stats I guess you mean performance figures. The F13 & F15 could have the same ratio's. Different ratio's but the same ability to get to 60. Or the most probablt answer is that they were tested at the start of production with whatever box they had and never tested or worried about again.
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Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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GEARBOX TYPES FOR EACH ENGINE
PRE 95
1.2 8v - F10 4/5speed WR
1.4 8v - F10/F13 WR/CR
1.6 16v C16XE - F15 CR
AFT 95
1.2 8v - F13 4/5speed WR
1.4 8v - F13 WR/CR
1.2 16v - F13 CR
1.4 16v - F13 CR
1.6 16v C16XE - F13 CR
1.6 16v X16XE - F15 CR
Dave
[Edited on 08-08-2003 by Cybermonkey24]
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Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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1.4 was fitted with F15 on VERY late models. Ratios for 3rd and 4th gear were different between F13CR and F15CR.
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