1zz Throttle body review/tips

[Rigaud]

Originally Posted by MedMantle

I still have the stock intake. Like 'scod' said, just give it all you've got! :P I had to turn my stock intake pipe around to get it to fit and it was still quite tight and difficult to get over, but I eventually got it. I would have loved to be able to use a adapter like that but we have almost no aftermarket car stuff where I live. :)

You don't get the full benefit of the 1ZZ TB with a stock air intake pipe/filter and stock intake manifold. Everything is 46mm while the 1ZZ is about 55mm. I did the same as you at first but ended up installing a proper tube and filter. Next is the intake manifold and port polish the head. Only way to benefit 100%