Effective Compression Ratio for P80 Engines

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Ryan — screen name callahanoffroad — did some math. What math? Why on this green Earth would someone do math outside of a school or a bank? Well, math to determine the maximum compression ratio for the three common 1993-2000 Volvo inline-5 cylinder engines. What he came up with is a lookup table that takes […]

How to Diagnose White Smoke on a 5-Cylinder Volvo

How to diagnose head gasket? Valve guides? Bad turbo? when you’re seeing white smoke in exhaust. Today we look at how to diagnose white smoke when decelerating from a 2002 XC70. MVS Volvo Forums member 1bigb1: Need some advice ,do I look at my Turbo OR do I look at my Head ? I have […]

Stage 0 and So Much More… Fix List for a V70

MVS Contributor Sledddriver goes on an multi-month blistering repair & fix odyssey, taking his 1998 V70 T5 from the edge of roadworthiness to 100% functional and reliable… all for not even $1000.  This is Stage 0 and way, way more. Following up on Tryingbe’s theme [of restoring to 100% a P80 Volvo], here’s a list of sled-work […]

Engine Rebuild Tutorial PDF – 1996 Volvo 850

Hydro-lock Causes Engine Failure, Which Causes Engine Rebuild The project lasted into the third week. Were I to do this again, I could do it in a week without difficulty. Maybe 3 days. MVS Forums Contributor and advanced shadetree-level mechanic  JimBee puts together a 288MB, 30-page downloadable PDF monster filled to the top with how to […]

Adjusting the Wastegate

Curious if your Volvo’s wastegate is properly configured? MVS Volvo Forums Contributor sleddriver documents adjusting the wastegate. He finds it off, and corrects it. Often owners “give them a few turns” to keep the turbo spinning in more situations, which reduces turbo lag when you floor it. This normally doesn’t cause damage because these Volvos are […]

MIJ is Back With a 2007 S40 AWD T5M

Longtime MVS Volvo Forums Moderator MadeInJapan is back with a stage 1 2007 S40 AWD T5M. I think my brain just exploded. Just bought a ’07 S40 AWD T5 with 6 speed manual transmission. So, I’m back in the Volvo fold again sort-of-speak and will probably be posting again. This is a sweet car- the […]

Get a 2000 V70 XC Running Again

MVS forums member CommandoNate updates us on how everything went with his project to get a 2000 V70 XC running: I figured I’d give you an update on this 2000 V70 XC project since you all were kind enough to give me some suggestions on how to address it. First off, whoever suggested that I use […]

2001 S80 T6 Turbo Replacement DIY

MVS Forums member abdomar528 documented this Volvo S80 turbo swap with many good photos to illustrate the steps he took during his oustanding 2001 S80 T6 Turbo Replacement DIY. Here’s an example of what abdomar wrote for Step 15: “BEFORE placing the oil return line seals back into position, you want to use some silicone […]