harvey_1066
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Registered: 9th May 10
Location: Ludlow Shropshire
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just wondering what the top speed is of a F20 gearbox as i was on my private 4 mile straight road and on the satnav i had a proved 115mph and that was at about 6,000 rpm i thought these boxes would be higher than that as its a 2.0 my 1.4 16v topped out at 114 mph on the same private road as my god doesnt it get there quick it just keeps pulling all the way! just wondering if this is normal?
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Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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I used to get to 140 on clocks then that seemed about it.
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Corsa_Sport21
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Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
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Around 135mph average.
Wheel/tyre size etc will play a part in it.
115mph @ 6k rpm is quite low, are you sure its an F20?? If it is then i would say its got a mix and match of internals.
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Crana
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Registered: 20th Jan 09
Location: Newcastle
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Mine pulled to 7k in 5th on a f20
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Corsa_Sport21
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Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
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quote: Originally posted by Crana
Mine pulled to 7k in 5th on a f20
Im guessing your ECU isn't standard then?? The standard rev limiter is around 6800rpm iirc.
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Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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Yeah I thought 6750-6800
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Crana
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Registered: 20th Jan 09
Location: Newcastle
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quote: Originally posted by Corsa_Sport21
quote: Originally posted by Crana
Mine pulled to 7k in 5th on a f20
Im guessing your ECU isn't standard then?? The standard rev limiter is around 6800rpm iirc.
Had a 7500 limiter
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Corsa_Sport21
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Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
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quote: Originally posted by Crana
quote: Originally posted by Corsa_Sport21
quote: Originally posted by Crana
Mine pulled to 7k in 5th on a f20
Im guessing your ECU isn't standard then?? The standard rev limiter is around 6800rpm iirc.
Had a 7500 limiter
On standard management??
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Crana
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Registered: 20th Jan 09
Location: Newcastle
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quote: Originally posted by Corsa_Sport21
quote: Originally posted by Crana
quote: Originally posted by Corsa_Sport21
quote: Originally posted by Crana
Mine pulled to 7k in 5th on a f20
Im guessing your ECU isn't standard then?? The standard rev limiter is around 6800rpm iirc.
Had a 7500 limiter
On standard management??
group N chip
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Corsa_Sport21
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Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
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That would explain it then.
Not much use to the OP though lol.
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Cole
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Registered: 11th Nov 02
Location: eastbourne Drives:zafira sold now a qashqai
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Doesn't the f16wr box have a higher top end or is that just me being stupid
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harvey_1066
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Registered: 9th May 10
Location: Ludlow Shropshire
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well i say only at 6k as it was wet and didnt fancy going that much faster, plus think my limiters at 7500rpm its got a dodgy chip of some kind anyway, just thought the top speed would be higher thats all.
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Corsa_Sport21
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Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
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quote: Originally posted by Cole
Doesn't the f16wr box have a higher top end or is that just me being stupid
I think you could be right.
IIRC, its quite common to fit the 5th gear from an F16w or F18w onto an F20 for a higher top end.
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Corsa_Sport21
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Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
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quote: Originally posted by harvey_1066
well i say only at 6k as it was wet and didnt fancy going that much faster, plus think my limiters at 7500rpm its got a dodgy chip of some kind anyway, just thought the top speed would be higher thats all.
If its an F20 box, it should be higher than 115mph at 6k rpm.
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Ricky352
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Registered: 6th Apr 07
Location: Lisburn, N.I.
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I remember being told on a MK2 Astra sitethat the f20 is a close ratio box and topped out at 140mph......although not everything I hear on the internet is accurate of course.
I hit 137mph in mine, but who knows how accurate the clocks were, it was the standard digidash.
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Ian
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Registered: 28th Aug 99
Location: Liverpool
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There are a few different types and if you've got a short one then top speed won't look much.
Wide ratio box may improve the situation but you're also limited by engine power and it won't drive as perky down the lower end.
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Jed D
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Registered: 15th Mar 11
Location: Durham
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i nah a lad with a pretty standard engine, silver, 1.6 corsa b (v reg) with black alloys and a smoothed front bumper that got 124mph on his tomtom on the motorway in durham to chester le street.
so he rekons
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Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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That's pretty fast that is
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tom_simes
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Registered: 12th Jan 05
Location: Undy, Newport Drives: Skoda Octavia vRS estate
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Not far off the limiter then Jed, my old one with about 120ish bhp would quite happily sit on the limiter in 5th at 128 on gps, about 135 on the clocks.
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Mieran
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Registered: 28th Jan 08
Location: Newcastle upon Tyne
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There is only 2 types of F20s
Normal FWD one and the 4x4 cav one
The 4x4 has shorter ratios and higher final drive iirc so maybe op has one of them?
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Ricky352
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Registered: 6th Apr 07
Location: Lisburn, N.I.
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4X4 Cavs not use F28's?
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DAZ1985
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Registered: 3rd Sep 06
Location: Scholar Green, Cheshire
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quote: Originally posted by Ricky352
4X4 Cavs not use F28's?
No they were f20's in the gsi
[Edited on 26-12-2011 by DAZ1985]
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Mieran
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Registered: 28th Jan 08
Location: Newcastle upon Tyne
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They did a 4x4 c20xe cav too that used a f20
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harvey_1066
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Registered: 9th May 10
Location: Ludlow Shropshire
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im not complaining as that was with the sat nav that speed was, as even with my 1.4 16v compared speedo to satnav and it was miles out when you got high up the mph as in over speeding as such, my 2.0 dont half pick its feet up tho with this F20 gearbox if its wet and i near imiter the gears like 7,000 rpm i can feel the wheels spin when i drop it into 4th at times, only for like half a second like,
[Edited on 26-12-2011 by harvey_1066]
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Ricky352
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Registered: 6th Apr 07
Location: Lisburn, N.I.
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Oh never knew they made a 4X4 Cav with the f20, learn something new every day
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