Thread: Some turbo questions I've always had..

What i want to know is a t2 flange the same as a T3 flange. I have a Turbonetics T3 turbo but have no clue what manifold to get. Im looking for something cost effective but would like the turbo mounted on top of the manifold

Nope. T2 and T3 flanges are different. You could re-drill the T2 flange to accomodate the T3 flange, IIRC.

Anyone have an answer to my question? I thought GT20 series turbines were T2, and GT30 series turbines were T3 flanged? Am I wrong here?

IIRC the gt20 series are t2 however you can have a optional t3 flange housing.

the gt30 series are t3 series

gt40 series are t4

Thanks bud.

I just learned a ton of stuff in this thread

the stock DET manifolds are built quality , you dont have to worry about it warping or not fitting properly. maybe after so many years the start to get a a hairline crack but nothing major.

Welding to them is a pain . But a ive seen it done and the work well.