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Old 15 November 2004, 10:45 PM
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simbo
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Default 6 speed box speeds

hi all thinking about fitting a 6 speed to my 93 wrx at the moment 130 mph at 7000rpm. what is the speeds at 7000rpm on the jdm and the uk box? what box would suit the car better?


cheers david
Old 16 November 2004, 06:50 AM
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911
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Simbo, do a good search on here for 6 speeders, there was tons of info on this lot about 6 / 9 months ago.
911
Old 16 November 2004, 07:42 AM
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had a search there is a lot of mixed views. some say just under 200 mph and some say 140 mph so what is it?

cheers david
Old 16 November 2004, 07:53 AM
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alanbell
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UK box and diff more top speed longer 5th and 6th gears poss 160 plus, JDM and diff short gearing 140 ishhh , cheers
Old 16 November 2004, 08:04 PM
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simbo
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so the jap 6 speed is not that much higher geared than my 93 wrx box then . not that wored about top speed just the engine speed at 70 mph when cruising etc

cheers david
Old 16 November 2004, 10:05 PM
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M0NEY
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Jap 6 speed, 3000rpm will be 70mph in 6th
Old 16 November 2004, 10:08 PM
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simbo
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what is the uk box at 70 mph?
Old 17 November 2004, 03:54 AM
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WUZ
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David - 6th in a UK box at 70 is about 2600rpm.

Russell
Old 17 November 2004, 08:46 AM
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urban
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Originally Posted by WUZ
David - 6th in a UK box at 70 is about 2600rpm.

Russell
Its 90 Mph at 4000rpm

Shaun
Old 17 November 2004, 08:59 AM
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robinH20MRV
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Red face 166 mph!

hi m8,

i have a sti v8 ra "a wee bit modded" and i was doing 166 mph (on the road angel) 175 mph on the clock, so my box must have long legs!

ps it will go faster, i ran out of road! "or should i say track"

cheers robin.
Old 17 November 2004, 12:53 PM
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911
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If your engine revs to 6500 then a gear will give a 'top speed'
If your (Sti) engine will pull 8400 in the same gear then obviously faster!

top speed (theoretical) is to do with the max rpm of an engine.

A UK box at 70 is quite relaxing, an RA box at 70 is the opposite...
911
Old 17 November 2004, 01:32 PM
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urban
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Originally Posted by 911
If your engine revs to 6500 then a gear will give a 'top speed'
If your (Sti) engine will pull 8400 in the same gear then obviously faster!

top speed (theoretical) is to do with the max rpm of an engine.

A UK box at 70 is quite relaxing, an RA box at 70 is the opposite...
911
I read on here somewhere that the UK STI's won't rev past 6250, or 6500 in sixth gear.

Shaun
Old 17 November 2004, 09:37 PM
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simbo
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looks like the uk box might be best suited to me then cause the jdm box seams to be similar low gearing like my jdm 5 speed and i think i will be limited to 7000 rpm

cheers david
Old 17 November 2004, 10:19 PM
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P20SPD
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having had both, the jdm box at 7000 rpm will do between 155 and 160 depending on tyre sizes. The uk will do 175ish at that rpm.

if you want track day stuff, go with the jdm, if you want an every day driver go with the UK box.

steven
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