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Tag: 13t

May0520195 May 20195 May 2019No Commentby Andy Ramdin

Volvo S80 2.4T Dirty / Clean Turbo Coldside

Replaced the air filter and the turbo intake pipe. Please note that a dirty intake might also point out a badly functioning PCV system!

The intake pipe was upgraded to a blue Do88.se / Do88 silicone intake pipe, which is a fair bit larger, but also deletes some bottlenecks from the original part (like the narrowing bend on the bottom and the “harmonica”).

Gives a little bit more power from the butt dyno and noticed more intake growl (which is a good thing) 🙂

Tags:13t 2.4t clean dirty maintenance s60 s80 t5 td04 td04hl td04hl-13t v70 volvo

Jan19201919 January 201919 January 2019No Commentby Andy Ramdin

Volvo S80 2.4T ProPerfekt CBV / Diverter / Blowoff Valve

Posted in Blog Entries

I actually wasn’t planning to upgrade the OEM Compressor Bypass Valve (CBV), but I am glad I decided to do so with this ProPerfekt piston type Diverter Valve (DV).

The rubber rings don’t leak (so much) boost, which means the power output is better (and faster) compared to the stock CBV. The stock CBV has a rubber outer ring (diaphragm) and a plastic ring on the inside (this is the flaw in the design).

The ProPerfekt DV is a known mod with the Renault Megane RS drivers, but I haven’t seen it before on another Volvo forum. The results are clear to me, the boost buildup is quicker, which means the car is faster. I would recommend this mod to anyone who has a TD04 turbo (who is still using the stock CBV). My S80 has the TD04HL-13T turbo, but will also fit the TD04HL-16T. Please note that the CBV I had fitted is quite new, so no ruptured diaphragm or something.