ok there are many different turbos from borg warner.

I have decided to go with a s475 which can flow 100lb/min with a 1.15 A/R rear end, i can go larger on the rear but decided this is a good compromise between spool and top end power.

I can give full specs of wheel sizes if anyone needs it, Rod actually has one these turbos himself that hes looking to try out.

It will normally outspool the equivalant GT4202 by 400rpm on a rotary and they ony cost £400-£600 from USA so a bit of a bargain!

Obviously you have this massive turbo, your gonna need to connect it to the engine, this is where a forum member on here called rickylee comes into force.

Now a few of you may have seen his manifold he made on his turbo civic build thread, after seeing that i got in touch with him about making me a manifold, really nice chap and he will be building it, will also run a 5inch downpipe to help with spool and top end power which will exit behind the drivers side wheel.

Ill be using a 60mm wastegate and the manifold will be a t6 divided version to help out boost threshold

Ill come onto cooling in the next post