Well, you see, a lot of the forums out there REALLY suck at this point.
I'm on F150forum.com and I don't even like it, because EVERYONE who asks a fuel-economy question gets flamed with "Should've bought a Prius!", 99% of the 09+ owners there are "V8 or Ecoboost or else!/3.7 and 3.5n/a trucks can't tow!" chodes, and a large portion of the 09-14 owners are into the whole lifted to near useless, with fugly wheels and fender flares bro-dozer vibe. You can't get ANY decent tech advice on most subjects, because every single headlight thread derails to "get OEM HIDs or else, all others suck" (well, news flash, so do the factory non-HID lights, and not everyone has $1000+ to sink into used factory HIDs), every engine thread devolves into an Ecoboost vs. Coyote argument (in the meantime, the n/a 3.5 and 3.7L guys like myself laugh about how the only two tech threads on our trucks are about how many miles we've gotten out of them with zero issues and fuel economy comparisons), and the transmission threads are all full of misinformation on how to use the transmission properly for towing/hauling (including a truly ****tarded group that refuses to use "tow/haul" mode because of the decrease in fuel economy even while towing heavy loads) and/or fluid change intervals. I pretty much stick around because of the truly epic threads such as:
http://www.f150forum.com/f38/can-sync-default-bluetooth-audio-228929/
and
http://www.f150forum.com/f38/best-modifications-under-50-a-166689/
I'm also on MustangII.net, which is, at this point, an online ghost town. It used to be the most active Mustang II forum on the web by leaps and bounds with dozens of posts on any given day. Repeat site outages, including one that lasted a year and resulted in a mass migration to a Facebook group have dropped it to about a post every other week, which really sucks, because honestly, even if I didn't own a II anymore, I'd still love to see what those guys are doing because they're the most imaginative car-guys I know.
I was one of the founding members and original moderators on Allfordmustangs.com back when Scott Halliday and Dale Brown still ran it. It was freaking amazing, the most community-oriented forum site I'd ever been a part of. In spite of several disagreements I had with Scott over the years, we always managed to work through it and I was on staff there for a decade off and on (I was the only moderator there to ever be perma-banned, then un-banned, and made a moderator again). Unfortunately Scott's health deteriorated badly a few years back and he sold the site to one of the big conglomerates that bought a lot of the forums around that time (that was actually his biggest nightmare when AFM was new. He feared having to sell out down the road, and told the staffers that made it to WFC6 in 2003 that he never wanted to do that.) because he could no longer run it day-to-day. In all irony, back when AFM was new, AFM staff saw Stangnet as our biggest competition, and were always trying to be better than SN in every way, this site was our yardstick for our success. Now the AFM way is dead and Stangnet prevails, and is the only forum I participate in that I actually enjoy. In the end, I was perma-banned by one of the jackwagons the corporation brought on as a moderator for being one of the leaders of the 4.6 forum "sammich crew".
MSD's tech forum is a joke, ESPECIALLY the MSD technicians that participate there (though it looks like that started when Holley bought out MSD). It makes me really wish I'd spent a few hundred more for a FAST or Holley EFI system, but hell, too late now.
Blueovalfun.net and Stangcountry.com both died horrible deaths (I was a founding member/staffer of both, even designed the forum logo for Stangcountry), the T-bird forum I used to be on was only interested in you if you owned a 66 or older or a 2002-2005 'bird, otherwise you were mostly talking to yourself, I never got into the rest of the 'stang forums except Mustangsandmore back before Alex upgraded from that archaic old forum software to something more modern. (I had accounts on just about all of them, but AFM, MII.net, and SN were the only ones I stuck around for more than a few days/weeks for whatever reason.)
So now Facebook apparently has these groups where you get instant answers, there's little-to-no actual community, but the instant answers and Facebook likes abound and seem to be all anyone cares about, and the forums are almost all corporate owned at this point, and run badly, and that's why the forums are dying.