Power/Torque V Drivetrain?
21 October 2006, 06:33 AM
#3
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Just bear in mind that it is torque not power that will kill you clutch/gear box. Another factor is how smooth/sudden is the transition from off boost to full boost.
A nice smooth torque curve will be much more transmition friendly than a sudden "bang".
At around 330-340lb/ft I would expect a stock clutch not to live for very long... The P1 G/box should be ok for a bit more if not abused.
A nice smooth torque curve will be much more transmition friendly than a sudden "bang".
At around 330-340lb/ft I would expect a stock clutch not to live for very long... The P1 G/box should be ok for a bit more if not abused.
21 October 2006, 12:54 PM
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I have a standard P1 gearbox with an uprated organic clutch running about 310lb/ft and am about to change the turbo, injectors and remap and was wondering how much more the drivetrain will handle?
26 October 2006, 02:00 PM
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Im running 405/345 through standard P1 box and AP organic clutch. Been on track and dont hang around on the road - But i dont do standing full bore starts.
Been 100% reliable in 10K miles now, and still feels as good as new.
Many peoples standard clutches start letting go during a remap after an upgrade!
Been 100% reliable in 10K miles now, and still feels as good as new.
Many peoples standard clutches start letting go during a remap after an upgrade!
27 October 2006, 01:17 AM
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Originally Posted by P1 FEK
I have a standard P1 gearbox with an uprated organic clutch running about 310lb/ft and am about to change the turbo, injectors and remap and was wondering how much more the drivetrain will handle?
Ns04
28 October 2006, 07:32 AM
#7
I think Ns04 is right.
I have an Sti v3 with about 380 x 360, an AP organic (great clutch imo) and a stock trans.
The car is hillclimbed and uses very sticky tyres, but has survived 4 years of full bore drag starts from 5000 rpm/dump the clutch and 14000 road miles.
On those starts there can be quite a lot of wheelspin on one or more wheels which cushsions the impact I think = survival.
If you did the same on the road on a high-grip surface then I doubt things would last.
Another factor is using the clutch to change gear (!) smoothly and be especially carefull going into/out of 3rd.
DropShots Day
Graham
I have an Sti v3 with about 380 x 360, an AP organic (great clutch imo) and a stock trans.
The car is hillclimbed and uses very sticky tyres, but has survived 4 years of full bore drag starts from 5000 rpm/dump the clutch and 14000 road miles.
On those starts there can be quite a lot of wheelspin on one or more wheels which cushsions the impact I think = survival.
If you did the same on the road on a high-grip surface then I doubt things would last.
Another factor is using the clutch to change gear (!) smoothly and be especially carefull going into/out of 3rd.
DropShots Day
Graham
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