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exhaust evac system #516763
11/05/09 03:52 PM 11/05/09 03:52 PM
Joined: Oct 2003
Posts: 7,506
Az
Crizila Offline OP
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Crizila  Offline OP
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Az
Looking at installing an exhaust evacuation system. I run a short extension on to my 3" collectors and I want to mount the evac tubes per the attached pic. Is this the correct way to mount the tubes ( flush to the pipe ), or should the protrude in to the pipe some distance? Thanks, John

5588159-exevac.jpg (122 downloads)
Fastest 300
Re: exhaust evac system [Re: Crizila] #516764
11/05/09 04:14 PM 11/05/09 04:14 PM
Joined: Aug 2006
Posts: 1,613
Deerfield, Ohio
70dusterjohn Offline
top fuel
70dusterjohn  Offline
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Yes that right but need to stick in the pipe about 1/4 to 1/2 inch. It should have a cut section in it to tell you where it needs to be.. Well mine did aleast..
Re: exhaust evac system [Re: 70dusterjohn] #516765
11/05/09 04:39 PM 11/05/09 04:39 PM
Joined: Oct 2003
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Az
Crizila Offline OP
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Crizila  Offline OP
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Az
Ok, Thanks John. I noticed the Moroso system has a cut in the evac tube as you mentioned. I bought the Summit system that is indentical to the Moroso system except there is no cut in the tube?

Fastest 300
Re: exhaust evac system [Re: Crizila] #516766
11/05/09 04:45 PM 11/05/09 04:45 PM
Joined: Oct 2007
Posts: 535
Ohio
racerAL Offline
mopar
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mopar

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Posts: 535
Ohio
that looks like the angle you want it in at...try to get the tip of the evac. tube in the middle(center) of the exhaust pipe..also it should be turned around so the opening of the evac. tube is facing towards the rear of the car or going with the exhaust..the exhaust should pull the crank case gasses out of the evac. tube and exit out the exhaust.

-1967 Plymouth Satellite #3555
446 cid on E-85
best 1/4 et 10.577 @ 127.58
best 1/8 et 6.722 @ 100.68
best 60ft. 1.419
Re: exhaust evac system [Re: racerAL] #516767
11/05/09 05:05 PM 11/05/09 05:05 PM
Joined: Feb 2007
Posts: 347
north west, IN
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larry890 Offline
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north west, IN
i thought you sould put the tube in the header collector?
Re: exhaust evac system [Re: racerAL] #516768
11/05/09 06:14 PM 11/05/09 06:14 PM
Joined: Oct 2003
Posts: 7,506
Az
Crizila Offline OP
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Crizila  Offline OP
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Az
???????????

5588362-evac2.jpg (92 downloads)
Fastest 300
Re: exhaust evac system [Re: Crizila] #516769
11/05/09 06:39 PM 11/05/09 06:39 PM
Joined: Apr 2003
Posts: 1,613
Burlington,Ont.
77DragracerR/T Offline
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Burlington,Ont.
You want to turn that tube so it's flush with the flow so as the exhaust flow draws the pressure build up from the engine.I run the same set up and mine is inserted about 1" in the exhaust extension.They do recommend installing them in the collector of the headers but that set up works too.

77 Aspen R/T 60'@1.41 10.76 @ 123.26

http://www.youtube.com/watch?v=Eya3Ue8KoZk
Re: exhaust evac system [Re: 77DragracerR/T] #516770
11/05/09 07:43 PM 11/05/09 07:43 PM
Joined: Oct 2003
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Az
Crizila Offline OP
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Crizila  Offline OP
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Az
Quote:

You want to turn that tube so it's flush with the flow so as the exhaust flow draws the pressure build up from the engine.I run the same set up and mine is inserted about 1" in the exhaust extension.They do recommend installing them in the collector of the headers but that set up works too.

Like this?

5588519-evac2.jpg (94 downloads)
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Re: exhaust evac system [Re: Crizila] #516771
11/05/09 08:04 PM 11/05/09 08:04 PM
Joined: Sep 2006
Posts: 3,011
Sac, CA
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mopowers Offline
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Sac, CA
I believe the first picture is correct.
Re: exhaust evac system [Re: mopowers] #516772
11/05/09 08:11 PM 11/05/09 08:11 PM
Joined: Jan 2005
Posts: 716
Indiana
6
65dragnet Offline
super stock
65dragnet  Offline
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Indiana
2nd pic is correct, but it's supposed to be in the collector !

E. Williams 65 Coronet 500 3400lbs w/d, 446, Indy EZ'S, A&A transbrake,Comp 650 lift cam, 6.50 @ 105 mph 1/8th 10.25 @ 130mph 1/4
Re: exhaust evac system [Re: 65dragnet] #516773
11/05/09 08:26 PM 11/05/09 08:26 PM
Joined: Oct 2003
Posts: 7,506
Az
Crizila Offline OP
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Crizila  Offline OP
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Quote:

2nd pic is correct, but it's supposed to be in the collector !

This is a 4 1/2" extension to my 12" long collectors - same 3"ID as the collector. Car seems to run better with a longer collector, so that's how I run it.

Fastest 300
Re: exhaust evac system [Re: Crizila] #516774
11/05/09 08:28 PM 11/05/09 08:28 PM
Joined: Oct 2003
Posts: 7,506
Az
Crizila Offline OP
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Crizila  Offline OP
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Az
Any other opinions before I fire up the mig welder?

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Re: exhaust evac system [Re: Crizila] #516775
11/05/09 08:29 PM 11/05/09 08:29 PM
Joined: Jan 2003
Posts: 4,616
Kissimmee Fl.
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dusturbd340W5 Offline
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Kissimmee Fl.
Quote:

Quote:

2nd pic is correct, but it's supposed to be in the collector !

This is a 4 1/2" extension to my 12" long collectors - same 3"ID as the collector. Car seems to run better with a longer collector, so that's how I run it.



moroso says to do it like the 2nd picture however mine pull better installed like the 1st picture.

70 duster full chassis super pro 416 CNC Indybrock heads 727 w/brake

best so far 1.212 60 6.219 in 1/8 at 110.88 9.768 at 137.81 1/4
Re: exhaust evac system [Re: dusturbd340W5] #516776
11/05/09 08:36 PM 11/05/09 08:36 PM
Joined: May 2004
Posts: 1,031
South Jersey
kruger Offline
Yours Too!
kruger  Offline
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South Jersey
Heres some info Crizila:Exhaust Evac Install w/diagram pic
http://docs.google.com/gview?a=v&q=c...F9plYXEE50sk4pw
Re: exhaust evac system [Re: Crizila] #516777
11/05/09 08:38 PM 11/05/09 08:38 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
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MR_P_BODY  Offline
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Romeo MI
Quote:

???????????



The first pic will give you a greater vac... I did
a lot of testing this in the exhaust lab for Chrysler
Re: exhaust evac system [Re: MR_P_BODY] #516778
11/05/09 10:25 PM 11/05/09 10:25 PM
Joined: Oct 2007
Posts: 535
Ohio
racerAL Offline
mopar
racerAL  Offline
mopar

Joined: Oct 2007
Posts: 535
Ohio
Quote:

Quote:

???????????



The first pic will give you a greater vac... I did
a lot of testing this in the exhaust lab for Chrysler


... ...thats the look your huntin for..imo.

5588817-16-102.JPG (45 downloads)
-1967 Plymouth Satellite #3555
446 cid on E-85
best 1/4 et 10.577 @ 127.58
best 1/8 et 6.722 @ 100.68
best 60ft. 1.419
Re: exhaust evac system [Re: Crizila] #516779
11/05/09 11:23 PM 11/05/09 11:23 PM
Joined: Dec 2008
Posts: 742
Oak Harbor, WA
W
Wicked49670dart Offline
super stock
Wicked49670dart  Offline
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Oak Harbor, WA
Hey Crizila, I have an extra set of Moroso (new) header pipe tubes with the flute cut into them for better flow, If you want them,(free) P.M. with your address.....Matt

70 Dart 3400 496 New Best 6.15@110.37 660ft, 9.76@135 with a 1.34 60ft
Re: exhaust evac system [Re: racerAL] #516780
11/06/09 06:30 AM 11/06/09 06:30 AM
Joined: Aug 2007
Posts: 998
Clinton Township, Michigan
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Dartin Offline
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Dartin  Offline
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Clinton Township, Michigan
Quote:

Quote:

Quote:

???????????



The first pic will give you a greater vac... I did
a lot of testing this in the exhaust lab for Chrysler


... ...thats the look your huntin for..imo.



X3 on the first pic. Mine are installed this way and work awesome.

Re: exhaust evac system [Re: Wicked49670dart] #516781
11/06/09 09:31 AM 11/06/09 09:31 AM
Joined: Oct 2003
Posts: 7,506
Az
Crizila Offline OP
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Crizila  Offline OP
master

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Posts: 7,506
Az
Quote:

Hey Crizila, I have an extra set of Moroso (new) header pipe tubes with the flute cut into them for better flow, If you want them,(free) P.M. with your address.....Matt

You got a P.M. Matt.

Fastest 300
Re: exhaust evac system [Re: MR_P_BODY] #516782
11/06/09 09:37 AM 11/06/09 09:37 AM
Joined: Oct 2003
Posts: 7,506
Az
Crizila Offline OP
master
Crizila  Offline OP
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Joined: Oct 2003
Posts: 7,506
Az
Quote:

Quote:

???????????



The first pic will give you a greater vac... I did
a lot of testing this in the exhaust lab for Chrysler


Hey Mike, what kind of numbers ( inches of water ) should I be looking for? I'm not gonna have any issues with air sucking past crank seals and the like am I?

Fastest 300
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