leatherface24

iTrader: (10)

That's. Huge WTF right there. I've never seen that happen before

Vashthestampede

iTrader: (17)

That sucks man, WTF right? Well I also remember that thread and might have to do some quick searching on the subject. IF I still even have that brace laying around somewhere......it might be going back in. The brace never bothered me much, just seemed pointless. Maybe its not......

mrtonyg

iTrader: (1)

Never see the shaft shear like that...consider yourself lucky that the screws/rivets didn't fail and made their way in the engine!

naarleven

iTrader: (2)

From Emilio's blog

Behind the wheel: broken throttle shaft

emilio700

iTrader: (3)

Broken throttle shafts are quite common. Stock or modified engine, brace or no brace, N/A or F/I.. no discrimination. The only common denominator is frequent use at 7000rpm.

MX-5 Miata Forum - Throttle shaft breakage

Braineack

iTrader: (62)

then he could be cool like me:

Braineack

iTrader: (62)

to me, it looks like a flaw, the way it snapped.

emilio700

iTrader: (3)

Ya think?

hustler

iTrader: (6)

edit: I should read the thread next time.

So, what's the fix? I'm down for the preventative mod.

magnamx-5

iTrader: (7)

Sell me your car for a dollar man thats the fix.

Savington

iTrader: (31)

There's a shop in Arizona that will put a billet 12mm shaft in a stock throttle body. They want $300+ for it, but that's cheaper than rebuilding a $3000 built longblock because you sucked a piece of crap through it.

edit: Just found his email. $350-400 for a one-off, plus $75 core charge. 3-day turnaround. The shop is British Car Service in Tuscon, AZ, and the guy's name is Ryal Greenwood.

y8s

iTrader: (8)

micropolish the hole and threads on the shaft to stress relieve them. if it's a recurrent 7k rpm abuse that causes the failure, it's vibration-induced fatigue probably from a manufacturing defect, not a material defect. just remove the stress risers and it'll be much better.

paul

iTrader: (21)

That brace doesn't do ****. I put 200,000 miles on my miata without it, never a problem, and I had also milled down that rod through the butterfly. I've put another 200,000 combined on 3 other Miatas I've owned with that brace removed and never any problem.

Der_Idiot

iTrader: (2)

You know, emilio has broken like four of those. It's all over in the power mods section on mnet..