VVIS Archives - Volvo Forum + Help for Owners

VVIS Install Walkthrough – “Yitsbox”

Interested in the famous VVIS install on your non-turbo 850? MVS super contributor Neil shows us how he did it back in 2012. Availability of this VVIS mod…

Post categories In Engine Breathing - MAF, PCV, EGR, Etc., Speed, Aftermarket & HP, Volvo 850, Volvo Emissions and Fuel Economy, Volvo Repair Documentation

DIY VVIS? I Did.

DIY VVIS? DIY Non-turbo Volvo Variable Intake System (VVIS) Non-turbo Volvo 850s and S70/V70 cars made in 1995 to 2000 were missing something their earlier brothers from 1993…

Post categories In Engine, Engine Breathing - MAF, PCV, EGR, Etc., Speed, Aftermarket & HP, Volvo 850, Volvo S70 & V70 1998-2000

Matt’s Volvo Blog, Issue 1

It’s Matt’s Volvo Blog! Hi crew, I’m going to start writing a semi-regular update that will appear exactly… here. It’ll be a digest of the best recent forum topics…

Post categories In Volvo Experiences

Improve Air Delivery to N/A Engines w/ VVIS Mod

Looking To Improve Air Delivery ? The 20V non turbo Volvo 850 models had a variable inlet manifold, to increase engine efficiency. Well this topic is all about…

Post categories In Cars 101, Engine, Speed, Aftermarket & HP, Volvo 850