VF34 or VF35
#1
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VF34 or VF35
Which is best....
The car is a WRX 2006 with supporting mods.
Is the VF35 worth more pennies? Best price for the VF34 is around £900, best price for the VF35 is £1100...can anyone do any better new?
The car is a WRX 2006 with supporting mods.
Is the VF35 worth more pennies? Best price for the VF34 is around £900, best price for the VF35 is £1100...can anyone do any better new?
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my old bug wrx had a VF35 with pink injectors and sti tmic and was mapped to 340, was awesome to drive, would pull right up to the redline
my new blob wrx has a std td04, but have just bought a VF34 plus pink inj + sti tmic for it, will be fitting at end of month, interested to see how much earlier it spools than the VF35.
If you want exact specs talk to midnight on here, what he dont know about these turbos aint worth knowing mate.
my only concern is how will the box handle the power, so im putting some cash by for a new box just in case
my new blob wrx has a std td04, but have just bought a VF34 plus pink inj + sti tmic for it, will be fitting at end of month, interested to see how much earlier it spools than the VF35.
If you want exact specs talk to midnight on here, what he dont know about these turbos aint worth knowing mate.
my only concern is how will the box handle the power, so im putting some cash by for a new box just in case
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#8
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VF35 spools a little earlier, VF34 has a better top end, will give an extra 10hp or so. VF34 probably a better bet on the 2.5l, though I got a VF35 for my 56 wrx because Harvey Smith happened to have a second hand one going at the right time. It does pull really well from low, and keeps going to the WRX's rev limiter. Ported headers and up pipe from Harvey make a difference with the spool. The VF35 at least can suffer from boost creep, not sure if the VF34 does; it can be fixed with a little porting. Best bet is to drop Harvey a PM on here and get his advice. I'd recommend asking him about his headers and up pipe at the same time
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Given the choice of VF34 or VF35 on a 2 litre I would go for the VF34. Spool may be marginally behind the VF35 but if that is a 340 bhp turbo then the VF34 is at least 20 bhp ahead.
Unless you deliberately want to keep power down on a 2.5 then the VF35 is not an option in my opinion and if you wanted to run a VF35 on a 2.5 engine, get the wastegate ported while you have it off the car. The exhaust inlet can be ported at the same time to match the uppipe if not already done.
Unless you deliberately want to keep power down on a 2.5 then the VF35 is not an option in my opinion and if you wanted to run a VF35 on a 2.5 engine, get the wastegate ported while you have it off the car. The exhaust inlet can be ported at the same time to match the uppipe if not already done.
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