Alfa Romeo Forum - View Single Post - 156 2.4 JTD

Lowtechguy · 30-08-2007

Just to add regarding the induction, I am doing a few tests at the moment, it seems that if you remove the AFM housing and make the diameter of the pipe larger the afm doesn't like it, put it back in the housing and its happy again, so the kit I end up with will be striaght out the turbo opening up to the afm original size (60mm) then opening up to the filter size 76mm.

The aircon pipes prevent a truely striaght kit but I want it in the wing anyway.

My car has had a full service done and is running tip top so once this is done I am going back to the rolling road for before and after runs with the kit and the two maps the "200bhp - 160bhp one" and the stock map and compair them with the 2 rolling roads I have already... Then map it again. I don't want to touch the exhaust if i can help it but if I dont get over 190bhp with this setup I will...

30-08-2007	#10 (Post Link)
Lowtechguy AO Member Join Date: Jun 2007 Posts: 265 Member car: 155 twinny	Re: 156 2.4 JTD - Project 250+bhp Just to add regarding the induction, I am doing a few tests at the moment, it seems that if you remove the AFM housing and make the diameter of the pipe larger the afm doesn't like it, put it back in the housing and its happy again, so the kit I end up with will be striaght out the turbo opening up to the afm original size (60mm) then opening up to the filter size 76mm. The aircon pipes prevent a truely striaght kit but I want it in the wing anyway. My car has had a full service done and is running tip top so once this is done I am going back to the rolling road for before and after runs with the kit and the two maps the "200bhp - 160bhp one" and the stock map and compair them with the 2 rolling roads I have already... Then map it again. I don't want to touch the exhaust if i can help it but if I dont get over 190bhp with this setup I will...