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Tag Archives: Performance & Horsepower
S80 — Can Performance be Improved?
Performance Upgrade Path for a 1999 S80 T6 Short answer: there isn’t one. Long answer: there is, if you’re willing to spend lots of money to get there, and find a way around an inherently weak transmission. To be blunt, … Continue reading
OBX Exhausts Good? Opinons Found Here.
“I had the OBX DP on my S60R and it worked very well. It is still on the car after a year and a half and there are no issues with it at all.” – Volvo forum user FCPGroton “I bought an … Continue reading
Blow off valve on a 1998 V70R?
How Blow Off Valves Work The blow off valve is opened on lifted throttle as the flow under pressure in intake system through intercooler and hoses is abruptly stopped and the pressure wave will effectively bounce off throtle and go … Continue reading
Cam Adjustment Documentation & Advice
The MVS Directory of Cam Adjustment This is the repository of everything we at MVS Forums know about setting, advancing and retarding timing on Volvo inline-5 engines for performance, and for standard factory settings after a timing belt change. This … Continue reading
How to Drive Gen 1 FWD Volvos Fast
MVS Forum Member ArchieBrown is taking his 1997 850 R manual on a long, fun twisty-road tour and need some advice on keeping it on the road. There is some anecdotal evidence about understeer and needing to keep the revs … Continue reading
XC90 2.5 turbo – is 208 hp enough for this SUV?
A 2005 Volvo XC90 weighs 4,449 pounds, and the same-year XC70 weighs 3,699 pounds. Both are powered by Volvo’s ubiquitous and dependable aluminum inline-5 cylinder engine. But in the case of the XC90, is the inline-5′s 208 hp enough? Several … Continue reading
DIY VVIS? I Did.
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 and 1994 had: Volvo Variable Intake System. VVIS essentially made the engine more efficient … Continue reading
Volvo 850/S70/V70 Cam Adjustment Tool
Dave at Volvo Specialists said years ago he toyed with cam timing on his 850 Turbo but found that no adjustment was better than the factory adjustment. At one point, his low end was so bad he could have run … Continue reading
Custom AW50-42 Autobox Remap
Remapping shift points: theory vs reality Knowledgable Volvo forum member JDS60R speaks about the pros and cons of running shift-point-remapping software on our 850, S70, V70 and other Volvo models. He answers the question Is there anything to gain or … Continue reading