420lb/ft, which 'box?

[Lefty]

Over the winter I think I'll probably change the box in my p1. It has an '09 Sti EJ25 block with a TD05 20G and is making around 380bhp and 420lb/ft.

Would you go for PPG internals for the 5-spd or fit a later 6-spd?

The 6-speed box needs a new prop and driveshafts which makes the two options fairly similar in cost terms. The 6speed gives the option of DCCD and ABS which seems a worthy upgrade.

Any opinions, thoughts welcome. Ta

Edited by Lefty on Sunday 4th August 15:28

[corvus]

This might help.

http://www.subaruforester.org/vbulletin/f89/manual...

Some useful info from a guy called BAC5.2.

[trails]

Lefty said:

Over the winter I think I'll probably change the box in my p1. It has an '09 Sti EJ25 block with a TD05 20G and is making around 380bhp and 420lb/ft.

Would you go for PPG internals for the 5-spd or fit a later 6-spd?

The 6-speed box needs a new prop and driveshafts which makes the two options fairly similar in cost terms. The 6speed gives the option of DCCD and ABS which seems a worthy upgrade.

Any opinions, thoughts welcome. Ta

Edited by Lefty on Sunday 4th August 15:28

go drive a car with a six speed first...very different feel from the five speed.

[Lefty]

corvus said:

This might help.

http://www.subaruforester.org/vbulletin/f89/manual...

Some useful info from a guy called BAC5.2.

Very useful, thanks!

[Lefty]

trails said:

go drive a car with a six speed first...very different feel from the five speed.

Thanks, I've driven a few newage cars with the 6-speed box but never a GC8...

[trails]

Lefty said:

Thanks, I've driven a few newage cars with the 6-speed box but never a GC8...

big improvments can be made by uprating the shifter bushing but i just don't like how close everything is compared to the five speed...problem is PPG keep lowering the power levels...

http://www.ppgearbox.com.au/page.asp?productid=82

[Vixpy1]

Right, ppg you will prob break at 450 ftlb , prob is the six speed boxes are horrid, the nicest is the hawk box but even these
Are horrid to use compared to a 5 speed, they are bloody strong though

[trails]

Vixpy1 said:

Right, ppg you will prob break at 450 ftlb , prob is the six speed boxes are horrid, the nicest is the hawk box but even these
Are horrid to use compared to a 5 speed, they are bloody strong though

Any experience with the Albins or SC gearsets Charlie...I know Mikee has been running one in their drag car (and he is a brute!), but no idea how often it's refreshed...

[Lefty]

Thanks Vixpy. I always thought PPG were good for monster torque!

Ever come across Par-Engineering gearsets?

The car is so torquey and driveable, I don't think it really warrants a 6-speed - and, as you say, the 5-speed has a lovely feel.

I will try to get a run in a reasonably powerful 6-speed to get a feel for it.

Cheers

[JollyGrnMonster]

Par similar rating to ppg.

I would just go with a 6spd. As said hawk is best ratios and the prodrive linkage isnt expensive and really makes a nicer change in use. Or AS performance do uprated bushes for the linkage that work well.

Assuming its a road car you might get away with a ppg or similar but the 6spd is just a fit and forget on a road car.

You dont need shafts or hibs if you get the correct ratio rear diff or box btw

[Lefty]

That's helpful, thanks!! I didn't know there was a prodrive linkage kit? Part of a PPP kit?

[JollyGrnMonster]

Not sure part of ppp but the rb320 had it