See thread "big Ends" for full story, but if I was to upgrade my standard T25's, what is the next stage, I am thinking the compressor and housing from T28 onto mine. And if this works what HP and do I need to do anything else. currently exhaust, Apexi, JWT chip and water injection soon. I am not looking at spending masses of money, just a bit of an upgrade while the eingine is out.

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OH, thanks

Hmm the 300zx don`t have t25 turbos as stock, the stock turbos are tb2209 and tb2210, its a t25 compressor with a t2 turbine, fitting a t28 compressor on the stock turbine wont do shit. a t25 or t28 is of course going to make more lag, the bigger turbo the more lag,but they will give more hp. what you guys have to do, is find out how mutch hp you need, and find a turbo thats just big inough.ball bearing turbos is better but they have lag too.