I'm planning a single turbo conversion over the winter and getting a bit confused over the different turbos, housing sizes, etc.

What is a recommended turbo for our engines for around 400bhp without a massive amount of lag?

I don't want to be spending 2k on a turbo though, I'm hoping the whole installation won't cost that seeing as I already have a standalone ecu fitted and I'll be doing nearly all the work myself. Was looking at the Holset HX35 but not sure what housing size is best + I would prefer an external wastegate

Cheers



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