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Evac nipple location

Posted By: flatiron

Evac nipple location - 06/06/10 04:54 PM

How far from the end of the header do you weld the nipple for a evac setup
Posted By: Crizila

Re: Evac nipple location - 06/06/10 10:08 PM

Most want it located right after the 4 in to 1 junction area.
Posted By: MR_P_BODY

Re: Evac nipple location - 06/06/10 10:43 PM

Put the end of the nipple about 3" past the end of the
primary tubes IF you dont run a O2 sensor.... O2 sensor
should be UP stream of the evac
Posted By: flatiron

Re: Evac nipple location - 06/06/10 11:38 PM

Ok headers are already on car and welding the nipple in on top of collector will be a job. Would it matter if I welded them on the side say at 3 and 9 oclock postions
Posted By: chryco

Re: Evac nipple location - 06/06/10 11:45 PM

It won`t matter.............

Attached picture 6024014-IMG_5781.jpg
Posted By: Crizila

Re: Evac nipple location - 06/06/10 11:51 PM

Don't know that it makes a difference circumference wise. The Moroso instructions show them mounted in the crevice ( and there are 4 to choose from )of the collector just aft of the 4 in to 1 junction at 45 degree angle. Assume they consider that a low pressure area on most headers.
Posted By: MR_P_BODY

Re: Evac nipple location - 06/07/10 12:22 AM

Quote:

Ok headers are already on car and welding the nipple in on top of collector will be a job. Would it matter if I welded them on the side say at 3 and 9 oclock postions




Where did you get the idea of 12 o clock the sides are
fine
Posted By: flatiron

Re: Evac nipple location - 06/07/10 04:01 AM

Quote:

Quote:

Ok headers are already on car and welding the nipple in on top of collector will be a job. Would it matter if I welded them on the side say at 3 and 9 oclock postions




Where did you get the idea of 12 o clock the sides are
fine



Seems like most of the ones I seen the nipple was on top
Posted By: tubtar

Re: Evac nipple location - 06/07/10 05:50 AM

If you are going to try inside , make real sure that the transmission won't interfere too.
Don't ask me how I know that one.
Mocking up outside the car ain't all it's cracked up to be.
Posted By: MR_P_BODY

Re: Evac nipple location - 06/07/10 11:34 AM

Quote:

Quote:

Quote:

Ok headers are already on car and welding the nipple in on top of collector will be a job. Would it matter if I welded them on the side say at 3 and 9 oclock postions




Where did you get the idea of 12 o clock the sides are
fine



Seems like most of the ones I seen the nipple was on top




I have never seen them on top... too hard to get to
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