best clutch ,gearbox,fly wheel for 400 bhp ?
hello all i have a uk turbo thats getting a closed deck block and a td05 20G and as its a std uk box i know it wont cope with the power , im looking at running between 380-400 bhp so what would be best , its not my every day drive so it will come out at weekends and up and down one or two drag strips when its all done ????
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M8 three options:
6 speed plus diffs as well PPG with another 400 options Early Mitsubishi EVO (for the same price as either of the above) :norty: I looked at this a little while ago and as you have a power upgrade makes complete sense but the cost attached is not an insignificant one. I spoke with David at API about other options and there really aren't any. It does depend on how you drive of course but the torque will kill your box eventually (the internal will end up like the thing out of the aphex twin video with no teeth) and then you'll have to do one of the above. As you don't drive it everyday you may get away with it for longer. @d |
yea i know and its been replaced once allready so nice low milage but it will go eventually :(
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PPG or 6 speed are both good options for long term. PPG is a fair bit more £££s though.
We stock uprated clutches that will be suitable. PM for info. Cheers. Bob |
cheers bob i have you on mylist of people to ring cheers .
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ppg gearbox is what i have in my car also an exedy twin plate clutch. bought these from mark at lateral performance, he is fair with prices too.
cheers mickyboy |
i went down the ppg kit route, didn't want to change the diffs or ratio's
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ppg in mine too and absolutely love the noise i went for the straight cut synchromesh. then just put an uprated exedy clutch and flywheel from David at API. all working very well, though it is a pricey option
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What year is your car and do you know the transmission code?
An STi5 or 6 box will handle the power from an o5-06 20 G no problem. The six speed is a lot heavier so has downsides and a PPG for a 400 bhp car is plain overkill and expenditure of that level is just not warranted. |
its a 1998 uk wagon with a std uk turbo box mate i think.
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Originally Posted by harvey
(Post 8047139)
What year is your car and do you know the transmission code?
An STi5 or 6 box will handle the power from an o5-06 20 G no problem. The six speed is a lot heavier so has downsides and a PPG for a 400 bhp car is plain overkill and expenditure of that level is just not warranted. |
The 98 car probably has a TY752 box but if it is a changeover model it will have a TY754. The TY754 will handle the power from the 05-06-20G but that turbo can break the TY752 box..................in time.
The six speed is stronger with more bracing on the casing and thicker cogs but you have a weight penalty and why have five gearshifts to get you to where four will do? It is really down to your personal preference and budget. If you do not have a TY754 box in your car already, then a UK TY754 VN box is a possibility and a straight swap. If you go for an STi 5 or 6 box, TY754VBAAA then you also need the rear diff. The UK car has a front 3.9, a drop gear of 1.1:1 and a rear diff of 3.545. The STi 5 and 6 have 4.44 diffs front and rear and drop gear is 1.0 to1. I hope all this helps but if it is not clear, e-mail me per profile. Elsewhere you referred to tubular headers. With an 05-06 20G you will be better off with ported headers and matched up-pipe. |
hey harvey fair play mate you seriousley know your stuff im impressed !!! well the engine is out and ill get the part number of my box this weekend to see what it is
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