Q-jet air horn tube----removal issue

Rusty Davenport · 10-31-2007, 03:47 PM

For hood clearance I want to run the carb with the air horn pulled completely out----does that create any kind of a problem with the carb ??? Would that make the carb illegal in superstock for any reason ???

Mike Hedger · 10-31-2007, 05:03 PM

Choke air horn?

Dave Ribeiro · 10-31-2007, 06:10 PM

Rusty,

Get ahold of Danny Ashley (765-674-5102) @ Q-jet carbs,I think that his number... Dave...1033/stk

Rusty Davenport · 11-01-2007, 09:24 AM

for clarification----the 3/8" metal tube that sticks straight up on the front top of the carb-----some guys attach a 90 degree elbow to it and point it to the front of the car----it will pull out of the carb if you treat it nicely without crushing it. Can I remove it completely ?????

Uncrated · 11-01-2007, 11:27 AM

Rusty,

in ref to removing the vent tube without cruching it. Find a punch or bolt or what ever that just slips inside the tube. Then grab the tube with vice grips and twist, it will ease right out. Having the punch or other spacer inside the tube keeps it from crushing. This also works with dip stick tubes and Holley carb vent tubes.

Hope this helps.

Larry Woodfin

Rusty Davenport · 11-01-2007, 02:27 PM

the BIG QUESTION is does it effect the carb performance not to have it in ???? and is it required to be legal ?????

Tony Curcio · 11-02-2007, 06:43 PM

The guys who extend the vent tube forward are correcting a specific problem- the float level is high (on purpose), and raw fuel sloshes up and out the vent tube under hard acceleration, then it seeps into the primary venturi. So, yes, this could effect performance under some circumstances. Only one way to find out for sure, try it. You can always put the tube back in.

As for its legality, that seems like a matter of interpretation, so you may as well ask your division tech. A strict constructionist will probably say no, but it doesn't make the car go faster, so who knows.

ZASKO · 11-03-2007, 08:40 PM

Best way to remove is take off the AIR HORN (the top) then tap the tube from the inside. There is no performance gain with or without the tube.

Z-man zzzzzzzzzzzzz

10-31-2007, 03:47 PM	#1
Rusty Davenport Senior Member Join Date: Jun 2005 Location: Nashville N.C. Posts: 505 Likes: 4 Liked 100 Times in 26 Posts	Q-jet air horn tube----removal issue For hood clearance I want to run the carb with the air horn pulled completely out----does that create any kind of a problem with the carb ??? Would that make the carb illegal in superstock for any reason ???

10-31-2007, 05:03 PM	#2
Mike Hedger Junior Member Join Date: Jul 2007 Location: Kemah TX Posts: 93 Likes: 0 Liked 1 Time in 1 Post	Re: Q-jet air horn tube----removal issue Choke air horn? __________________ Mike Hedger S/C 4646 MPH Racing and Fabrication Last edited by Mike Hedger; 10-31-2007 at 06:46 PM.

10-31-2007, 06:10 PM	#3
Dave Ribeiro VIP Member Join Date: Sep 2002 Location: Williamsburg, Va.---USA Posts: 1,827 Likes: 1,612 Liked 56 Times in 27 Posts	Re: Q-jet air horn tube----removal issue Rusty, Get ahold of Danny Ashley (765-674-5102) @ Q-jet carbs,I think that his number... Dave...1033/stk __________________ Dave Ribeiro 1033 STK

11-01-2007, 09:24 AM	#4
Rusty Davenport Senior Member Join Date: Jun 2005 Location: Nashville N.C. Posts: 505 Likes: 4 Liked 100 Times in 26 Posts	Re: Q-jet air horn tube----removal issue for clarification----the 3/8" metal tube that sticks straight up on the front top of the carb-----some guys attach a 90 degree elbow to it and point it to the front of the car----it will pull out of the carb if you treat it nicely without crushing it. Can I remove it completely ?????

11-01-2007, 11:27 AM	#5
Uncrated Banned Join Date: May 2006 Posts: 170 Likes: 0 Liked 0 Times in 0 Posts	Re: Q-jet air horn tube----removal issue Rusty, in ref to removing the vent tube without cruching it. Find a punch or bolt or what ever that just slips inside the tube. Then grab the tube with vice grips and twist, it will ease right out. Having the punch or other spacer inside the tube keeps it from crushing. This also works with dip stick tubes and Holley carb vent tubes. Hope this helps. Larry Woodfin

11-01-2007, 02:27 PM	#6
Rusty Davenport Senior Member Join Date: Jun 2005 Location: Nashville N.C. Posts: 505 Likes: 4 Liked 100 Times in 26 Posts	Re: Q-jet air horn tube----removal issue the BIG QUESTION is does it effect the carb performance not to have it in ???? and is it required to be legal ?????

11-02-2007, 06:43 PM	#7
Tony Curcio Member Join Date: Mar 2002 Location: West Chester, PA Posts: 271 Likes: 1 Liked 4 Times in 1 Post	Re: Q-jet air horn tube----removal issue The guys who extend the vent tube forward are correcting a specific problem- the float level is high (on purpose), and raw fuel sloshes up and out the vent tube under hard acceleration, then it seeps into the primary venturi. So, yes, this could effect performance under some circumstances. Only one way to find out for sure, try it. You can always put the tube back in. As for its legality, that seems like a matter of interpretation, so you may as well ask your division tech. A strict constructionist will probably say no, but it doesn't make the car go faster, so who knows. __________________ Tony Curcio 1860 STK

11-03-2007, 08:40 PM	#8
ZASKO Junior Member Join Date: Nov 2006 Posts: 78 Likes: 0 Liked 0 Times in 0 Posts	Re: Q-jet air horn tube----removal issue Best way to remove is take off the AIR HORN (the top) then tap the tube from the inside. There is no performance gain with or without the tube. Z-man zzzzzzzzzzzzz