This problem of intake valve seats dropping has struck quite a few owners over the past few years. We first became aware of it with
Author: Hoffman
Can't walk and chew gum at the same time, but never chews gum so it's not an issue.
986 996 Porsche Cylinderhead Cracks Explained
Click here to see video of a 996 3.4 M96 head being pressure tested, revealing a microscopic crack that was not visible to the naked
VW Type 4 Crankcase Breathing System Testing & Analysis
This article explores and unravels the mysteries surrounding the sometimes controversial issue of venting Type 4 cranckases, for street and track cars.
M96 & M97 PORSCHE CYLINDER HEAD SPECIFICATIONS AND GENERAL INFO.
M96/97 Valve Sizes, Chamber Volumes, Component details, Failure Types, Misc. Info.
BMW M20 Cylinderheads
BMW M20 Cylinderheads While these heads, like most BMW heads, offer fantastic performance in stock form, they do leave some room for improvements. The biggest
BMW Services
BMW Services Over the years BMW engineers have released some of the most impressive cylinder heads ever to grace a street vehicle. There isn’t a
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