stef28-2008

hi i have a type ra with a 2.2 forged engine fmic 700cc injectors oil catch tanks boost cont 6 paddle clutch and fly i have a twin scrool set up with equal headers i want more grunt i thought off a td05 20g or a vf34 any help be nice thanks

alex_impreza

what bhp are you running atm im from blackpool also, i know someone selling a vf34 in blackpool

jura11

iTrader: (7)

Depends for how much you are looking,if you are looking for 360bhp best bet will be VF34 or Harvey TD05-18G,if you are looking for 400bhp i would go for MD321H or 20G(this turbo maybe will make this power,but maybe with Methanol),SC40...


Jura

stef28-2008

i dont know how much bhp it is at mo im running 1.2 to 1.9 bar throuhg gears can i just change the turo on a twin scrool set up or do i have to do headers

jura11

iTrader: (7)

Twin scroll turbo selling Scoobyclinic or Lichtfield,pricey but make power for which you are looking..


Jura

stef28-2008

i had a white wrx with a vf34 550 and fmic and it pulled better

stuart148

iTrader: (12)

who did all the work ?? and did you buy the car like this ??

stef28-2008

had engine done at engine tunner and scooby teknix done the work

stuart148

iTrader: (12)

so you must of had it mapped ?? so should know the power ??

stu

stef28-2008

had it mappet they recon be 400+ few people recon been in it its 380

stuart148

iTrader: (12)

who mapped it , sorry for all the questions , but if i had a 2.2 built with all them mods id want to know what bhp it was pushing out

stuart148

iTrader: (12)

also you say its could be 400+ but you would be going backwards with a vf34 wouldnt you ???

L.J.F

iTrader: (31)

Twin scroll comes in earlier and smoother than a Vf34 so it may only just seem like the 34 pulls better because of how strong the come on after about 2.5k, i felt the same way when comparing with a mates car

Nice spec btw

stef28-2008

it is smoother through gears dont help i got a crap dump valve and think it leaks turbo smart super sonic

harvey

iTrader: (48)

Firstly, quoting power figures is a mine field. I can take you to one rolling road where a particular car will consistantly record 422 bhp but I can take you to another rolling road on the same day where the car will have 448 bhp.
What is the turbo on the car at present because that will determine your power potential with all the supporting mods?
Now do you have 700cc injectors or 740cc?
Typically a VF34 and a TD05 18G will produce around 360 bhp. The 18G is a rugged turbo with good spool but I would suggest you want something more than that, cost incidentally £725 plus delivery and I have a couple of these here from development work that I can do a deal on as well as new ones but I don't think that is what you want.
You would be better with a 20G on your 2.2 forged engine and this will put you into the 380-400 bhp bracket on V-Power and over 400 bhp with Methanol. Cost of this turbo new is £850 plus delivery.
Your choice of mapper is very important.

banny sti

iTrader: (68)

What gearbox are you on?

stef28-2008

turbo is a vt 26/27 think the twin srool i have a wr1 6 spd

stef28-2008

sorry 36-37

banny sti

iTrader: (68)

You could try a litchfield LM series twin scroll turbo they have variants all the way up to 500bhp

harvey

iTrader: (48)

If you are asking me Banny, STi 5/6 TY754VBCAA I think it is but whatever was in my STi 6 Wagon at over 500 bhp now in one of my other Wagons. The only thing that has ever been changed is the centre viscuous.

stef28-2008

wr1 6 spd box and diff

Tidgy

your best bet is to pick up the phone and chat with scoobyclinic, they do various sizes of twin scroll billets to suit what ever needs, they can advise what size will be best to go for.