VF34 VF22 18G now??

NICO · Post by **NICO** » Sat Jun 23, 2007 2:00 am

ok i am getting another turbo becuse my 18g is not cutting it, should i get aps sr56 or the one step down from it?

http://www.airpowersystems.com.au/wrx/aps_turbo.htm

tell me what you guys think? monday i pick.

93forestpearl · Post by **93forestpearl** » Sat Jun 23, 2007 8:41 am

Get the 56, or you'll be kicking yourself later. You'll definately need something larger than your 440cc injectors though.

NICO · Post by **NICO** » Sun Jun 24, 2007 10:26 pm

thanks dan ya your right, i have sti 550cc injectors i think i should be good for fuelling, plus water meth just in case.

Splinter · Post by **Splinter** » Sun Jun 24, 2007 10:28 pm

550s will not be enough... Im going to 740s

NICO · Post by **NICO** » Mon Jun 25, 2007 8:41 am

^^ shit how much boost CFM will they die out at?

BAC5.2 · Post by **BAC5.2** » Mon Jun 25, 2007 11:45 am

Don't get a VF turbo. You'll be disappointed. The most I've ever seen a VF22 do is 330whp on meth.

Get something in the 53 to 56 lb/min range.

An STi we put together with a Deadbolt SZ53 made 398whp.

NICO · Post by **NICO** » Mon Jun 25, 2007 12:22 pm

^^ no i had a vf34 vf22 and i have on a 18g right now, but i dont want it no more. aps sr56 is what i am going to get.

sr56 Compressor Turbine
A/R 0.60 0.94
Inducer 57.0 mm 60.0 mm
Exducer 76.2 mm 55.0 mm
720cfm@14psi.

where my 18g is 550cfm@14psi.

also what do you guys think of a aps or perrin fuel rail kit, worth it or not?

93forestpearl · Post by **93forestpearl** » Mon Jun 25, 2007 8:44 pm

Fuel rails are always a good idea. You don't want a cylinder to run lean.

I still think your 550's are gonna be too small for a turbo that size. At 19psi w/ my 30R (the smaller one), I was hitting 90% IDC's with my 650's at stock fuel pressure. That was at 10.5:1 though.

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VF34 VF22 18G now??

VF34 VF22 18G now??