who can bore out a tb?

edub370

anyone know what all is involved on the tuning end of things to make this work?

i.e., is this like an exhaust and you CAN run without a tune, but it won't optimize gains, or will this be something that makes the maf read differently and throw things outta whack?

are we looking at ~5hp here or what?

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Chuck33079

I can't see a huge power gain unless the intake pipe and manifold inlet is similarly increased in size, and that's going to take tuning. At that point, the increase from the TB alone may be lost in the noise. I can see it providing noticeably better throttle response. While you're at it, you might as well cut off and weld close the coolant nipples, and ceramic coat the outside to ward off radiant heat. Now you've got quite a bit of cost sunk into a part that may not make a whole hell of a lot of difference. It's a different story if you can DIY it.

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synolimit

Why?

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13 370z-

SouthArk370Z

Why not? Granted, some rubber caps would work just as well but, as long as you're going as far as boring and other mods, why not go ahead and seal 'em up?

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