Hello,
Does anyone know what size is the small hole in the manifold tap for map sensor on evo's that come from factory with one(evo 8/9 jdm)
I would like to instal a jdm map sensor from evo 9 on evo 8 manifold and it seems the evo9 manifold has a small hole which helps dampen pulsation from manifold and i can't find size

 

i attach a picture,
it is the smal hole in the red circle

 

Iīd like to know the size of the larger hole, too. Iīll be drilling my Evo 7 manifold for a MAP sensor adapter.

 

What about something like this
http://www.maperformance.com/jm-fab-...padapt-00.html

 

That adapter wonīt do it for me.

It would be nice to know the dimensions so I can drill the MAP bung on my manifold. Itīs already there, just waiting to get drilled.

 

Try to measure the map sensor?

 

Do you know the clearance?

 

I have a spare manifold and the hole diameter is 0.709", but this is US manifold.

 

So itīs 18mm. Thanks!

 

small can't be 18 mm, maybe 1,8 mm
ps. big hole, yes is 18mm