600Bhp from a 6 Speed???
05 August 2004, 05:36 PM
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600Bhp from a 6 Speed???
Just read in Jap performance that a 6 speed box can take 600Bhp and is bullet proof. Is this so??
05 August 2004, 05:47 PM
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Fire a gun at it and see, seriously though it won't be power that kills it, I am advised it should take 800 Nm of torque which is a "better" benchmark.
bob
05 August 2004, 07:21 PM
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What's that in real money lbs/ft?
05 August 2004, 07:31 PM
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590 lbs/ft
05 August 2004, 07:42 PM
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does anybody have any REAL (ish) figures of what a WRX box can take??
05 August 2004, 07:47 PM
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About 280-300 lbft?
Note how Prodrive run less torque on the PPP than they could....
05 August 2004, 09:48 PM
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thats what i thought, well, 300lb ft. I wonder why the STI box is almost 100% stronger still???? seems bizarre....
05 August 2004, 10:03 PM
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Neil
You pay for what you get - wrx = Nova Brigade quality
I dont care I have and sti as well... greedy me
05 August 2004, 10:21 PM
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ouch!! id like to see a nova handle 300lbft.....
05 August 2004, 10:26 PM
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The STi six speed is reputedly a totally new design, the ancestry of the 5MT is impressive in length but not on pedigree.
05 August 2004, 11:24 PM
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The six speed has a much stronger case and a huge brace inside made from a plate of hard very thick steel to carry the main shaft.
Less case flex, less shaft flex = less broken gears.
It also has an internal oil pump - but you pay in terms of weight - they are VERY heavy!
R
05 August 2004, 11:41 PM
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But a damn site cheaper than a/market!! - plus user friendly - yipeee.........a nice addition to my 2+liter engine (when I get one!!)
06 August 2004, 06:55 PM
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Steve,
not necessarily - depends how cheap you can get the 6sp box for - but many I have seen cost more than my gearset - although I did have to pay for the build...
R
07 August 2004, 03:18 PM
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Whats a reasonable price for a 6MT then........
Thought a Par was about £1800 plus.......................... (about £2.5k all in)I've seen the 6mt's at £1200......ish
07 August 2004, 05:00 PM
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You might find it tricky to get a good 6MT for that of known origin, the right front diff, the linkage and propshaft, and rear diff if a JDM. If so snap it up
07 August 2004, 05:08 PM
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John
Yeah maybe your right - I know you can pick up all the kit mentioned for circa £1500 though................
08 August 2004, 08:03 AM
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Not now you cant Steve, prices just seem to keep going up.
08 August 2004, 10:08 AM
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Damn..................
Second hand 5mt's it is then and a budget for rebuilds!!
08 August 2004, 01:23 PM
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Rigolli's run 10s on 6 speed STi with similar hp or >.
Good as gold.
08 August 2004, 04:21 PM
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Maybe - but how often do they require a rebuild!! at that sort of power I doubt they would stay good as gold for long!!
08 August 2004, 05:43 PM
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Steve, i believe the jun car has done over 100 full bore launches on their 6 speed, whereas the 5 speed lasted 3 launches.
08 August 2004, 05:57 PM
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The box isn't a problem but beware of std drive shafts !!!
bob
08 August 2004, 06:00 PM
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Is there anywhere that does uprated driveshafts, not heard of anywhere.
08 August 2004, 11:08 PM
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RCM had uprated driveshafts in stock the last time I was there so they may be worth a call.
09 August 2004, 09:43 PM
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Jun 6speed uses their own gear kit though.
6speed used in one of Rigoli's project cars, std 6 speed, has done a 10.8 or 10.9 and is still lasting. Not been rebuilt.
6speed, linkage, prop and rear diff now your looking atleast £1600 upwards
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