Kiddy_Corsa
Member
Registered: 7th Nov 02
Location: Kidderminster Drives: Astra VXR
User status: Offline
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Any point?
Good and bad points
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
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heavy and wrongly geared. stick with the f20 or f16
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Kiddy_Corsa
Member
Registered: 7th Nov 02
Location: Kidderminster Drives: Astra VXR
User status: Offline
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wrongly geared????
i can get it supplied and fitted for £150
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Half Pint
Member
Registered: 25th Mar 02
User status: Offline
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ratios are all wrong for the power of a N/A xe
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Kiddy_Corsa
Member
Registered: 7th Nov 02
Location: Kidderminster Drives: Astra VXR
User status: Offline
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thought they were the same ratio as the f20 but with a 6th gear and LSD!!
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Cybermonkey
Member
Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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no the ratios were suited for the Turbo, to account for boost timings. the F28 is overkill on an XE, as HP said, F16 or F20 much more suitable
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
User status: Offline
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and it has no lsd
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Ojc
Member
Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
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Peter from PVD had this. Was wank.
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Kiddy_Corsa
Member
Registered: 7th Nov 02
Location: Kidderminster Drives: Astra VXR
User status: Offline
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 Looks like i might not do it then!!
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Stu
Member
Registered: 3rd May 00
Location: Madchester UK Drives: 2014 BMW M135i
User status: Offline
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quote:
Originally posted by Ojc
Peter from PVD had this. Was wank.
Yeah, I remember Petes! Didnt suit the XE too well. F20 is a much better choice!
I got an F20 put in my old Corsa (200bhp+ XE) after breaking the F18 that Id put in originally. The F20 was mint but the ratios in mine were very different from what other people told me about the F20? Flat out on the limiter in fifth at 8000rpm it would only do 139mph???? That was on Redlines timing gear at Brunters as well!!! Was flat out on the limiter was before the braking point too!!
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
User status: Offline
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stu, joffs is like that, there are different ratio's
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Stu
Member
Registered: 3rd May 00
Location: Madchester UK Drives: 2014 BMW M135i
User status: Offline
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quote:
Originally posted by broster
stu, joffs is like that, there are different ratio's
Bizarre innit? So even if you buy an F20 you dont know what ratios you will get? I imagine different cars got different ratios? Cav v Astra v Calibra?
Dont get me wrong, I loved it. With the TB's it would pull from 25mph in fifth, Id get some fcuk nugget in a VTS in second screaming its tits off and Id just stay in 5th and still bum it!
Would be interesting how you could find out what ratios your getting?
Couldnt believe it at the Redline thing, was expecting 150mph as Id only put the box in that morning, thought it was a misfire when I hit the limiter at less that 140mph!
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ed
Member
Registered: 10th Sep 03
User status: Offline
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You can have an F20cr or an F20... it doesn't even say if it's a close ratio box on the gearbox, it just says F20, so it's kind of a supprise
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Cybermonkey
Member
Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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quote:
Originally posted by Stu
quote:
Originally posted by broster
stu, joffs is like that, there are different ratio's
Bizarre innit? So even if you buy an F20 you dont know what ratios you will get? I imagine different cars got different ratios? Cav v Astra v Calibra?
Dont get me wrong, I loved it. With the TB's it would pull from 25mph in fifth, Id get some fcuk nugget in a VTS in second screaming its tits off and Id just stay in 5th and still bum it!
Would be interesting how you could find out what ratios your getting?
Couldnt believe it at the Redline thing, was expecting 150mph as Id only put the box in that morning, thought it was a misfire when I hit the limiter at less that 140mph!
i love the 'fuck nugget' bit
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Cybermonkey
Member
Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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quote:
Originally posted by ed
You can have an F20cr or an F20... it doesn't even say if it's a close ratio box on the gearbox, it just says F20, so it's kind of a supprise
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ed
Member
Registered: 10th Sep 03
User status: Offline
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It's exactly that
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
User status: Offline
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f20cr f20wr and then there is all different final drives.... the list goes on and on
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Stu
Member
Registered: 3rd May 00
Location: Madchester UK Drives: 2014 BMW M135i
User status: Offline
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quote:
Originally posted by ed
so it's kind of a supprise
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Jambo
Member
Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
User status: Offline
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Can you supply and fit mine for £150???
Ill give u my F20 
[Edited on 02-09-2005 by Jambo]
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timrud_
Member
Registered: 3rd Jul 04
Location: Sheffield
User status: Offline
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Right, a "long" F20, will have almost the same ratios as an F28.
In each gear the F20 will do a couple of MPH more than the F28, then the F28 has sixth on top.
Hope that clears that up!
There are a few variations of the F20 though.
If you want a six speed box on an XE I'd also look out for the F25 from a Vectra challenge car (quite rare!). This has some mad ratios, comes with a diff and is straight cut, but weighs more than an F28. Also it has a longer casing which may make fitment on a Corsa a bit difficult?
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Cybermonkey
Member
Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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so the F28 fitted to a 20XE will improve acceleration over an F20 fitted one?
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Nic Barnes
Member
Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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the f28 was only on the turbo's as when your on motorway the revs are less in 6th for economy purposes wasnt it? as in, it aint in boost under normal driving.
my f20 on my corsa xe pulls 65 in 2nd and flat out abut 140ish on limiter in 5th at 7k ish revs.
tim, whats the f28 doing on the limiter in 5th? hit it last night, reckon its over 135 with a gear to go
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timrud_
Member
Registered: 3rd Jul 04
Location: Sheffield
User status: Offline
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IIRC 7500rpm with 195/45/16's is mid to high 150's.
Your right about the sixth gear. I had a big technical book about calibra/cav turbo's (which I've just given back) and it was basically saying the sixth was for economy purposes, so the car is at low-ish revs at 70.
Mine pulls 64 in second.
At 7500 in sixth it's 186mph if you have the balls  Obviousally you have a higher rev limiter
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Nic Barnes
Member
Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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im only on 1 bar of boost at the minute still, rev limit is 7k i think on these phase 2 chips.
ive had 6200rpm in 6th a few time, reckon thats hitting 160ish?????
dont really see how an f20 would last on a let engine as mine is in and out of gears all the time, so much power and tourque
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timrud_
Member
Registered: 3rd Jul 04
Location: Sheffield
User status: Offline
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My aritmatic for 6th would be 6x25, plus 1/5th of 25 (5), so 155 I make that?
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