Does the GT40 upper intake have a 75mm opening?

IndyBlk5.0

New Member

Nov 24, 2003

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New Whiteland, IN

Aug 29, 2004

#1

• Aug 29, 2004

• #1

I must be a noob, but I have searched the internet for this to no prevail. I know brothersperformance says it on their site, but its down and i cant get in it to get the info i need. I also can not find the search button for these threads..... What size is the gt40 (tubular) intake hole size? Hopefully 75mm?

 

90mustangGT

I felt sorry for girls because

Founding Member

Jan 15, 2002

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Dallas, GA

Aug 29, 2004

#2

• Aug 29, 2004

• #2

The GT40 upper has a 65mm opening.

 

S

speedytang

Founding Member

Jul 28, 1999

765

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Marengo,Ohio,US

Aug 30, 2004

#3

• Aug 30, 2004

• #3

GT40 has a 70mm opening. I run a 70mm and it measures 72mm if you take a measurement.

 

Grn92LX

Fidanza Man!

Founding Member

Jan 14, 2001

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New York

Aug 30, 2004

#4

• Aug 30, 2004

• #4

Just take a dremel and port match it to 75mm if your gonna run the 75mm TB.

 

IndyBlk5.0

New Member

Nov 24, 2003

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New Whiteland, IN

Aug 30, 2004

#5

• Aug 30, 2004

• #5

Whats the best way to measure it to port match, I plan on drawing a circle of course and then doing it

 

D

Daggar

New Member

Jul 19, 2004

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Aug 30, 2004

#6

• Aug 30, 2004

• #6

go to your local auto parts store and get a dial indicator for about $10.