What is the Thread pitch and size on s4 fuel rails?

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05-09-2007 | 08:15 PM

rx7man629

Thread Starter

Senior Member

Joined: Jul 2004

Posts: 290

From: Yardley, PA

as topic states converting to AN fittings need to know what thread pitch and size the s4 fuel rails use. Any help is greatly appreciated.

Thanks

05-10-2007 | 11:11 AM

j9fd3s

Senior Member

Joined: May 2002

Posts: 22,465

From: California

theres 2 different ones, the damper and regulator are one pitch and the banjo's are another.

05-10-2007 | 12:50 PM

turborotor

Senior Member

Joined: Nov 2001

Posts: 1,622

From: LA, USA

12mm × 1.25 adapter is the side with the fpr and pd.

and

14mm × 1.50 adapter for the banjo fiitting sides

for the TII S4 fuel rails.

Check out

http://fc3spro.com/TECH/MODS/FUEL/pararail.jpg

05-15-2007 | 01:01 PM

rx7man629

Thread Starter

Senior Member

Joined: Jul 2004

Posts: 290

From: Yardley, PA

yea i was definatly considering that parallel setup. Im running in series for now until i get all the -6 fittings and stuff. Thats a nice bit of info there. Thanks for the help.