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Author straight cut gearbox
Danny69
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Registered: 17th Dec 04
Location: Manchester
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8th Feb 05 at 10:25   View User's Profile U2U Member Reply With Quote

how much for one and where sells them?? is there any already made for the rallying corsas/novas or would you need to have a custom one done??

Are they the dog gearboxs or are they different again??

bradfincham
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Registered: 20th Sep 02
Location: East Of England Drives: Clio 172
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8th Feb 05 at 10:26   View User's Profile U2U Member Reply With Quote

quaiffe perhaps,
going to be several thousand as well
Dan
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Registered: 22nd Apr 02
Location: Gorleston on Sea, Norfolk
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8th Feb 05 at 10:27   View Garage View User's Profile U2U Member Reply With Quote

theres an astra round my way wiv one on, sounds fucking horrid, so noisy


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Andy
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Registered: 28th Dec 99
Location: Cumbria, UK
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8th Feb 05 at 11:52   View User's Profile U2U Member Reply With Quote

quaife - £1300 for a 5-speed straight cut cluster, which can be fitted to most GM gearboxes
Corsa E-Tec
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Registered: 4th Feb 04
Location: Stevenage Drives: Leon Cupra
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8th Feb 05 at 12:09   View User's Profile U2U Member Reply With Quote

does this improve performance????
Tom
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Registered: 3rd Apr 02
Location: Wirral, Merseyside
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8th Feb 05 at 12:20   View User's Profile U2U Member Reply With Quote

Yeah well no, improves gear change times significantly. Andy how's you g/box worked out?
Mattb
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Registered: 2nd Feb 03
Location: Under your sisters bed
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8th Feb 05 at 13:20   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Tom
Yeah well no, improves gear change times significantly. Andy how's you g/box worked out?


incorrect, it minimises loss of power through the transmission..the trade off however is more noise and less strength
Greasemonkey
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Registered: 17th Apr 02
Location: Drives a Tractor
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8th Feb 05 at 13:22   View User's Profile U2U Member Reply With Quote

I love the wining sound you get from these, so loud, old mini's have these as standard dont they
broster
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Registered: 6th Dec 02
Location: Drives: E39
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8th Feb 05 at 13:26   View Garage View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Mattb
quote:
Originally posted by Tom
Yeah well no, improves gear change times significantly. Andy how's you g/box worked out?


incorrect, it minimises loss of power through the transmission..the trade off however is more noise and less strength



surely thats incorrect?
broster
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Registered: 6th Dec 02
Location: Drives: E39
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8th Feb 05 at 13:27   View Garage View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Greasemonkey
I love the wining sound you get from these, so loud, old mini's have these as standard dont they


no they just wine lol!
Mattb
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Registered: 2nd Feb 03
Location: Under your sisters bed
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8th Feb 05 at 13:30   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by broster
quote:
Originally posted by Mattb
quote:
Originally posted by Tom
Yeah well no, improves gear change times significantly. Andy how's you g/box worked out?


incorrect, it minimises loss of power through the transmission..the trade off however is more noise and less strength



surely thats incorrect?


depends on the material tbh,

helical cut gears have more teeth in mesh at the same time, but straight cut have only one in mesh.. less strength. but decent sets like quaife jobbies are of a decent enough material to take some abouse
timrud_
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Registered: 3rd Jul 04
Location: Sheffield
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8th Feb 05 at 14:25   View User's Profile U2U Member Reply With Quote

Stronger..... but less durable. So will take mega power, but will do less road miles than a normal box.

Quaife straight cut gearset for an F20 (but its six speed) is just over 3k + VAT.

A complete quaife gearbox (six speed again) is around 6k-ish mark.

And a Proper 6 speed straight cut dog box is 8500ish, plus over 1k for the linkage.
Tom
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Registered: 3rd Apr 02
Location: Wirral, Merseyside
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8th Feb 05 at 14:28   View User's Profile U2U Member Reply With Quote

I keep getting things wrong, I thought it's main use was to cut gear change times, surely this is part of what it does aswell

I love the whining noise aswell
timrud_
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Registered: 3rd Jul 04
Location: Sheffield
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8th Feb 05 at 16:52   View User's Profile U2U Member Reply With Quote

No, a dog box will cut gear change times, a plain straight cut box will just take more torque.
ainsley_brader
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Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
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8th Feb 05 at 19:13   View User's Profile U2U Member Reply With Quote

a dog box will only change gear change times in so much as you dont need to use the clutch. The only thing effecting changing gear is the linkage.

A dog box is no fun on the road lol, either that or it takes a long long time to get used to lol.

Main thing about a straight cut box is less transmission losses!
James R
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Registered: 4th Feb 03
Location: 205GTi16/306GTi16
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8th Feb 05 at 20:19   View User's Profile U2U Member Reply With Quote

That and the gearign is usually alot closer stacked than a std box too, so you drop less revs between gear changes which is ideal for a engin eon mega duration cams.
A 5spd effort from quaife has syncros, the main imporvement is the ratios.
They do a dogbox with 6spds for the F10/13/15 boxes too,
A Sequential box would be the way to go, yummy.
ainsley_brader
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Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
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8th Feb 05 at 20:23   View User's Profile U2U Member Reply With Quote

sure quaiffe do a 5sp dog box too dont they?

 
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