The reason I suggest Google's custom search engine, is because it can be added to a website, as well as the results..
I searched both ways for: "front axle rebuild"
Here's this forum's results:
Here's the results from searching this custom search engine:
Google's search returned far more results that are within the same realm of what one would be searching for, while the forum's results returned a write-up containing the word "Front" the most, then "axle" etc...
I looked on that forum post, and it's possibly better, but without testing it against other possible search engines, I can't really weigh my opinion on it...
Either way, sorry for the tangent, IMHO the tiled format was much easier on the eyes to find the genre/subject board that I wanted..