I still get on n54tech.com & boostaddict.com every now and then but not very active. Was on clubrsx.com & the370z.com back in the day but haven't been on the forums since I sold those cars.
Mostly Challengerchat and Challengerforumz since I currently have a Scat Pack, but a lot of guys on there have been aholes lately. Mustang6g is still the largest and probably the best and most of them are pretty considerate and will help you out. I'm still on the fence on to whether I'm going to keep the 1320 or trade it in for most likely either a mach 1 or new z. I mean I like my car, but it is not quite what I thought it would be and I have been running into a lot of little issues which I didn't have in the Mustang.
What can I say I’m a one forum type woman ?
I use to be on the Peugeot RCZ forum, but once I sold my type R I left….too depressing.
I haunt a few facebooks…all to do with the Z, but much quieter on them
Spend most of my forum time on rennlist, but just reading and not commenting. Also hit up mustang7g regularly as I wait for new mustang info. This is the only forum I actually comment on. The Z community has been my favorite car community since I went to ZCON in 2010.
miataturbo.net - even though my Miata is not turbo'd it's the best track-based Miata forum. Lots of good info there and plenty of well documented N/A track builds. K-swap builds currently prevalent, which is what I'm leaning toward with mine.
mazdaspeedforums.org - until it died.
mazdaspeeds.org - spin-off of the above that was started a few years ago when the first one started going downhill.
blueovalforums.com in the Super Duty sub-forum - was active while researching the purchasing process for my new Super Duty. If anyone plans on buying a Ford make sure to go here and read as there is tons of information on how to save money. I got my new Super Duty for $4k under MSRP without haggling in a world where ADM of $10-15k seems to be the new normal. I've also begun looking at the Mustang sub-forum, but I know there are better Mustang forums out there.
And here, now. My Mazdaspeed is likely due for replacement soon and right now I'm leaning toward either the Z or Mustang.
I've also spent a surprising amount of time on Rennlist as the people there seem to do some pretty exotic race trailer builds and such.