Got a 2003 blobeye wrx 2L with decat and air filter remapped on stock internas. Worth getting 565cc injectors and walbro fuel pump and getting bigger turbo? Not fussed about spool as I love the hit and working for it. If so, what should I go for? Vf22 are getting hard to come by and expensive. Vf34? And what gains could I expect over the td04? Many thanks

 

 

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I would say it's worth it, the TD04 is quite small which is great for spool time but runs out of puff at around 270ish. Bigger turbo and injectors is a good next step, might want to grab an STI top mount intercooler as well (or front mount if you want to go all in). Bigger turbo should see you over 300bhp, the limiting factor then becomes your gearbox as the 5 speed becomes a ticking time bomb over 350

as above :)

I would say it's worth it, the TD04 is quite small which is great for spool time but runs out of puff at around 270ish. Bigger turbo and injectors is a good next step, might want to grab an STI top mount intercooler as well (or front mount if you want to go all in). Bigger turbo should see you over 300bhp, the limiting factor then becomes your gearbox as the 5 speed becomes a ticking time bomb over 350

Cheers for reply, sounds like I'm on the right thought path. What turbo would you recommend is a good step? Like I said, I'm more for oomph than spool


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I think the VF34 is quite a common choice and seem to get 300+ quite easily. You could go for a TD05 but they are pretty old now...