MustangWorks.com : Ford Forums - View Single Post

Mach 1 · 06-10-2002, 02:53 PM

Drilling a hole in the butterfly only serves to increase idle speed. I tried it and thats what happened...makes sense, just letting more air in.

I had a 70MM BBK and it never whistled. I now have a FRPP 65MM and recommend it over the BBK (much higher quality)

06-10-2002, 02:53 PM	#10
Mach 1 Registered Member Join Date: May 1999 Location: Georgia Posts: 3,866	Drilling a hole in the butterfly only serves to increase idle speed. I tried it and thats what happened...makes sense, just letting more air in. I had a 70MM BBK and it never whistled. I now have a FRPP 65MM and recommend it over the BBK (much higher quality) __________________ 2002 GT 1993 GT (SOLD) '93 Mustang GT RHC member #142