What can i remove in the engine bay that isnt needed and will not throw a CEL, I still need to pass obd2 emission in IL
I've heard multiple reasons but most are probably speculation. Extra bracing during assembly line movement, bracing during crate package transportation..?Just out of curiosity: I never understood the intake manifold brace - what's it for? Was Mazda afraid of cracking intake manifolds?
there is some speculation that the brace is there to alleviate some weight from the manifold studs. Apparently, removing the brace has caused somebody's cousin's friend's ex-boyfriend's miata to stretch a stud, but I have never heard it from the horse's mouth.Just out of curiosity: I never understood the intake manifold brace - what's it for? Was Mazda afraid of cracking intake manifolds?
please clarify? I didn't realize there were two? Is this second brace on the NBs also? are you talking about that black thing under the throttle body, with a ground wire attached to it?The danger is the throttle body/intake manifold brace. Remove that one and rumor is your throttle plate screws back out and your engine eats them for lunch. This is at the track supposedly. It's honestly all speculation, but you can safely remove the big aluminum one.
Thanks for sharing. I will read on it considering I have plans for upping the rev limiter.Curly's note about the throttle plate screws refers to a couple of instances where Emilio's (949 Racing) throttle body spat screws into the engine. Emilio posted a thread about this on the big board a year or two ago. It makes for interesting reading!
Emilio's initial mention is here: http://forum.miata.net/vb/showthread.php?t=273524&page=3
There is follow-up info here: http://forum.miata.net/vb/showthread.php?t=302371
Mostly deals with throttle shaft breakage, but I recall some of the photos showing clear imprints of the little screw threading on the piston tops.