Re: Header evac tubes- how do they compare to vac pumps
[Re: 72demon416]
#624335
02/26/10 07:57 PM
02/26/10 07:57 PM
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Joined: Dec 2007
Posts: 10,542 BROOK PARK, OH
WILD BILL
Senior Member of the Junior Dragster Club
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Senior Member of the Junior Dragster Club
Joined: Dec 2007
Posts: 10,542
BROOK PARK, OH
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Quote:
Topside- what is this electric GM pump off of? Any pictures of it?
![](/ubbthreads/images/graemlins/popcrn.gif)
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Re: Header evac tubes- how do they compare to vac pumps?
[Re: emarine01]
#624337
02/26/10 08:09 PM
02/26/10 08:09 PM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
Hey Mr P, ya got a pic of your evac with the e vac tube square with the header tubes, we found the most vac 5.5" that way
I think I have a pic at home but I'm not home, you might have a little better sealing rings or a less accurate gauge but its still close to my findings ![](/ubbthreads/images/graemlins/wave.gif)
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Re: Header evac tubes- how do they compare to vac pumps?
[Re: MR_P_BODY]
#624338
02/26/10 09:02 PM
02/26/10 09:02 PM
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Joined: Jun 2009
Posts: 644 Minnesota
Barnstorm
mopar
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mopar
Joined: Jun 2009
Posts: 644
Minnesota
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I know some SS/AH guys are pulling vac thru the fuel pump plate. Good "quiet" part of the motor. No valve cover hoses.
The little old lady from Pasadena is back!
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Re: Header evac tubes- how do they compare to vac pumps?
[Re: 72demon416]
#624340
02/26/10 09:59 PM
02/26/10 09:59 PM
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Joined: Nov 2004
Posts: 2,119 sc
tjmarcus1
top fuel
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top fuel
Joined: Nov 2004
Posts: 2,119
sc
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Quote:
thanks Raff, It looks like it's almost pointless to run a header evac system when running a exhaust system. the good part is you just saved me some time and money
didn't i say that?
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Re: Header evac tubes- how do they compare to vac pumps?
[Re: tjmarcus1]
#624342
02/26/10 10:16 PM
02/26/10 10:16 PM
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Joined: Jun 2004
Posts: 1,496 Sask, Can.
72demon416
OP
pro stock
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OP
pro stock
Joined: Jun 2004
Posts: 1,496
Sask, Can.
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didn't i say that?
Yes you did, thank you for your input! Actually- thanks to all contributors!
Last edited by 72DEMON416; 02/26/10 10:21 PM.
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Re: Header evac tubes- how do they compare to vac pumps
[Re: tjmarcus1]
#624345
02/27/10 08:29 AM
02/27/10 08:29 AM
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Joined: Jan 2003
Posts: 4,852 KENTUCKY
69CHARGERMD
master
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master
Joined: Jan 2003
Posts: 4,852
KENTUCKY
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Good thread.... Question: 1) WHERE do you mount the fitting on the header ? ( is there a measurement to use,,certain distance down the header ? any tips/tricks/troubles/ people have had installing them) ![](/ubbthreads/images/graemlins/1343795-scratchchin.gif) The instructions i have say on the TOP surface of the header, just beyond the TRANSITION area. 2) NO MORE POP OFF BREATHERS ? ( this is what i have now,,Moroso sells a "screw" on type deal,,,would that be ok ? ) ![](/ubbthreads/images/graemlins/scope.gif) 3) BAFFLES ? (just for the inside of the valve cover?) ![](/ubbthreads/images/graemlins/shruggy.gif) 4) HOSE TYPE (what are you guys using ?,,,is there a particular type recomended?) ![](/ubbthreads/images/graemlins/whistling.gif) I have the motor out of the car,,,so the headers can be worked on,,,, ![](/ubbthreads/images/graemlins/sawzall-smiley.gif) I have the Mr Gasket Evac kit ( sitting on the shelf ),,, Might be a good time to install them.... thanks. DOUG............ Moroso sells these,,,which i was thinking of getting,,, Just noticed they are about $50 EACH !! (yikes) they are the screw in style,,, i have seen some other styles that look super nice,,billet,,etc,,,
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Re: Header evac tubes- how do they compare to vac pumps
[Re: 69CHARGERMD]
#624347
02/27/10 11:19 AM
02/27/10 11:19 AM
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Joined: Dec 2008
Posts: 603 Central Oregon
Rodney
mopar
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mopar
Joined: Dec 2008
Posts: 603
Central Oregon
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Quote:
I have the motor out of the car,,,so the headers can be worked on,,,, ![](/ubbthreads/images/graemlins/sawzall-smiley.gif)
you may want to mock up the headers in the car so you weld the pipe in the correct place to not interfere with things under there ![](/ubbthreads/images/graemlins/Twocents.gif) I've used both steel braided, black rubber hose and push lock hose
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