i am using,a gt 40 intake, there is no place,to put the air temp sensor,do you have to drill it,a tap it.

 

Yes, or get the correct lower intake.

 

All GT40 lower intakes from Explorers will have no hole for the air temp sensor. However, the early ones (the ones with EGR passages) will have a place cast into the #5 intake runner where it can be drilled and tapped (I think it's a 3/4 NPT). The later ones have no such provision but (supposedly) can still be drilled and tapped in that location. I'd be very careful though as the casting may be on the thin side. You're better with an early one.

Good luck,
-Jason

 

machine shop did it for me,3/8 pipe tap,looks original

 

I have the same setup issue! For now my sensor is just sitting on top of the lower intake which is why I think I have random idle issues. My lower does have the spot where it can be drilled and tapped so I guess that is next on my list.

 

Sorry about that, you're right its 3/8ths.

-Jason

 

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