HDJ 100 1hd-fte turbo rebuild. Help wanted.

[Tuoppi1712]

Hi!

Just opened my original 17201-17040 turbo. Engine is 1hd-fte, 1998 model.
Planning to upgrade bigger comp wheel and housing( gt3071+ 54/71mm wheel).
Questions:
1. My CHRA has 5,7mm bore for comp wheel so my turbo is CT26small or CT20B if I am correct: can I put any CHRA made CT26 family in my turbo?
2. My turbo has 17020 turbine housing (7cm if I am right ) so is it even possible to fit gt3071 comp housing to my turbo?

Normally I would just buy all the new stuff and try if they fit but now I try to investigate before buying.

Thanks.

 

[Moridinbg]

Should be CT26 for the early European turbos. I would just replace the entire unit. the 26 is limiting factor both on cold and hot side.
Changing turbo and increasing boost is easy. How are you going to tell the pump to give more fuel? Unichip?

 

[Tuoppi1712]

New parts just came in:
New 17201-17040 CHRA from Alfi Turbo. Really nice people and extra fast shipping!
New compressor housing from Mambatek: GTX3071
GT3071 53,1/71 compressor wheel
9-blade high flow turbine wheel.

Everything else fits ok but when tightening nut for compressor wheel it will stuck ,completely! It will not rotate.

Any advice what cause the wheel stuck?
Original compressor wheel height is 29,5 mm and mambatek height is 30mm.