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The efr have that titanium based wheel and billet compressor. That must add cost

Unbelievably cheap. Even with the extra features it shows how heavily the R&D bumped up the EFR price. The only downside is the CHRA being journal bearing and oil cooled only.

Man they are cheap and nice

No need to step up to the 300 series. The 257 is rated to 650 so technically 100 more than a 7064/7163. Plus way way cheaper. https://www.nzperformance.co.nz/categories/borg-warner-turbochargers/s200300400sx-e-turbos

Thinking of sanblasting some calipers - who's a trusted reasonably priced go-to in Auckland and how much should I expect to pay for a full set to be blasted? Thinking of restoring the Brembles myself and then selling for a $$$ instead of asking for a $ in their current state. People seem to be too lazy to pay less and re-paint themselves.

The 257SX-E had been on the mind as they do bloody well for the price, Tony had suggested them years ago when I was considering the HRC35/2. The packaging of the EFR/G -Series with internal gates reduces the fab cost and complexity hugely which is my main reason for considering them.

If it's a 2.5L maybe the Borgwarner S200SX-E could be an option? There are two variants available on NZ Performance and the one is basically the EFR 7670 w/o the BOV and stuff - the compressor housing even has the speed port machining done if you wanted to use it. There's a good write up on Full Race about them and they are more than half the price of the EFR series equivalent. Plus, you can purchase the turbine housing of your preference from NZ Performance too for a few hundred bucks. Sorry for not complying with the existing selections haha! PS: The 200SX-E is even more compact that the EFR series too

Honestly, just pull a cover and save yourself the hassle of getting it wrong. Even Winger couldn't tell me what gasket I needed when I gave them my plate number so it's easier to just take it in and match it.