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Is my vapor separator my fuel filter ? #1598125
03/25/14 12:15 AM
03/25/14 12:15 AM
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california
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Mr D21 Offline OP
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Mr D21  Offline OP
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Is my vapor separator my fuel filter? Do you OE guys run a hidden one somewhere ?

Re: Is my vapor separator my fuel filter ? [Re: Mr D21] #1598126
03/25/14 12:46 AM
03/25/14 12:46 AM
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N.E. OHIO, USA
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the one I use or know of to come standard is NOT a fuel filter, no filter element inside that I'm aware of on a '69 440

Re: Is my vapor separator my fuel filter ? [Re: A12] #1598127
03/25/14 12:48 AM
03/25/14 12:48 AM
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Warrenton, VA
RoadRunnerJD Offline
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The vapor separator is not a fuel filter.

Re: Is my vapor separator my fuel filter ? [Re: Mr D21] #1598128
03/25/14 10:03 AM
03/25/14 10:03 AM
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1 Offline
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Yes it is a filter, I use them as filters on both my cars.

I don't remember seeing a filter anywhere else on a 440 6 pack motor. I do remember seeing filters on a hemi, not sure about a hemi with a fuel pump mounted vapor separator?

Good question...

Re: Is my vapor separator my fuel filter ? [Re: Challenger 1] #1598129
03/25/14 11:32 AM
03/25/14 11:32 AM
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Ohio
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jlatessa Offline
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X2, it has a flat screen/mesh between the halves, I had one apart
long ago...Joe

Re: Is my vapor separator my fuel filter ? [Re: jlatessa] #1598130
03/25/14 11:36 AM
03/25/14 11:36 AM
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Az
69hemibeep Offline
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Its the only filter on my car. Wish there was room for another without cutting a line.


1969 Hemi Roadrunner 2nd owner
Re: Is my vapor separator my fuel filter ? [Re: 69hemibeep] #1598131
03/25/14 12:16 PM
03/25/14 12:16 PM
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Ball Ground, Georgia
Dixie Offline
top fuel
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I snuck one in between the metal fuel line from the tank and fuel pump. Not that my car is perfect "OE" correct, but I am going for a stock appearance. It's hard to see underneath the engine.


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Re: Is my vapor separator my fuel filter ? [Re: Dixie] #1598132
03/25/14 12:18 PM
03/25/14 12:18 PM
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Cincinnati, Ohio
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Quote:

I snuck one in between the metal fuel line from the tank and fuel pump. Not that my car is perfect "OE" correct, but I am going for a stock appearance. It's hard to see underneath the engine.




That will cause vapor lock on hot days. You should not have a filter before the fuel pump. Strainer yes, filter no.

Re: Is my vapor separator my fuel filter ? [Re: Challenger 1] #1598133
03/25/14 12:28 PM
03/25/14 12:28 PM
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Ball Ground, Georgia
Dixie Offline
top fuel
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top fuel

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Quote:

Quote:

I snuck one in between the metal fuel line from the tank and fuel pump. Not that my car is perfect "OE" correct, but I am going for a stock appearance. It's hard to see underneath the engine.




That will cause vapor lock on hot days. You should not have a filter before the fuel pump. Strainer yes, filter no.




Well, if it does, I'll know the culprit!!


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Re: Is my vapor separator my fuel filter ? [Re: Dixie] #1598134
03/25/14 02:01 PM
03/25/14 02:01 PM
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Ky
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jt4406 Offline
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My six pack set up has 3 of these in the carb bowls....


Yeah, it's hopped up to over 160...
Re: Is my vapor separator my fuel filter ? [Re: jt4406] #1598135
03/25/14 03:45 PM
03/25/14 03:45 PM
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Cincinnati, Ohio
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Re: Is my vapor separator my fuel filter ? [Re: Challenger 1] #1598136
03/25/14 05:40 PM
03/25/14 05:40 PM
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N.E. OHIO, USA
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Quote:

Yes it is a filter, I use them as filters on both my cars.

I don't remember seeing a filter anywhere else on a 440 6 pack motor. I do remember seeing filters on a hemi, not sure about a hemi with a fuel pump mounted vapor separator?

Good question...




so are ALL vapor separators fuel filters, I didn't think a MESH screen would filter fuel other than large chunks

Oh and BTW which model, engine and year are we talking about anyway?

Re: Is my vapor separator my fuel filter ? [Re: A12] #1598137
03/25/14 06:10 PM
03/25/14 06:10 PM
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california
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Mr D21 Offline OP
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That's my point, I cant see the VS doing much to clean the fuel.
I was wondering if a filter before the pump hidden was a good idea - sounds like its not due to Vapor Lock potential.

70 Challenger - 440 / Carter

Re: Is my vapor separator my fuel filter ? [Re: Mr D21] #1598138
03/25/14 07:14 PM
03/25/14 07:14 PM
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RSNOMO Offline
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A 'vapor separator' is not a 'fuel filter'...

I run the proper 'filter' in-line on a '71 B-body...

No 'Vapor' issues...

Re: Is my vapor separator my fuel filter ? [Re: RSNOMO] #1598139
03/25/14 07:56 PM
03/25/14 07:56 PM
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Morristown Tn.
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71birdJ68 Offline
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If memory serves me, 70, and 71 the VS was a 440/ Hemi thing, and did not get a separate filter. The service manual shows whats what, and which engine gets what.

Re: Is my vapor separator my fuel filter ? [Re: RSNOMO] #1598140
03/25/14 08:15 PM
03/25/14 08:15 PM
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Posts: 1,131
Home of the Bluegrass
MoparJunkie Offline
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The service manual for 1970 Challenger shows a breakdown of the separator and they do call the screen a filter screen inside the vapor separator. And... 440's and Hemi's did get just a vapor separator. No inline filter from the factory other than the vapor separator's filtering capabilities.


Last edited by gg70rtUcode; 03/25/14 08:18 PM.

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2022 Hellcat Charger Widebody Redeye Jailbreak: Hellraisin with 8 speed auto



Re: Is my vapor separator my fuel filter ? [Re: MoparJunkie] #1598141
03/25/14 08:34 PM
03/25/14 08:34 PM
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NB, Canada
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moparfan53 Offline
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Yes, the separator was designed to be a fuel filter also. However some of the repros had wrong size or no orifices. Does anyone know if they have the correct filter screen?

Here is the complete info from the '70 FSM in case anyone wants to read the explanation/description. It also says how to check for a plugged filter screen.




Re: Is my vapor separator my fuel filter ? [Re: jt4406] #1598142
03/25/14 10:09 PM
03/25/14 10:09 PM
Joined: May 2004
Posts: 5,123
Warrenton, VA
RoadRunnerJD Offline
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Warrenton, VA
Quote:

My six pack set up has 3 of these in the carb bowls....



Mine has those too. They are the filters. Don't the Carter carbs have something similar in the carb inlet?

Re: Is my vapor separator my fuel filter ? [Re: RoadRunnerJD] #1598143
03/26/14 12:29 AM
03/26/14 12:29 AM
Joined: Apr 2011
Posts: 315
Ontario, Canada
RealWing Offline
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Ontario, Canada
There are some bogus repro separators out there. I got one and could not figure out why the car would not start. Found that there was no orifice restriction in the return line and the fuel was going straight back to the tank and none going to the carbs
I cut it open to look inside. Surprise!! It was simply 3 tubes stuck into the can and there was no filter screen at all.

8088894-IMG_8181.JPG (379 downloads)

1970 Superbird 440-6bbl, auto
1969 Barracuda 340-4bbl, FB Formula S auto
1969 Barracuda 6.1 L Hemi, 5 speed, Convertible
2022 Can Am Spyder RTL
Re: Is my vapor separator my fuel filter ? [Re: RealWing] #1598144
03/26/14 12:30 AM
03/26/14 12:30 AM
Joined: Apr 2011
Posts: 315
Ontario, Canada
RealWing Offline
enthusiast
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Ontario, Canada
Photo of the other end

8088897-IMG_8182.JPG (490 downloads)

1970 Superbird 440-6bbl, auto
1969 Barracuda 340-4bbl, FB Formula S auto
1969 Barracuda 6.1 L Hemi, 5 speed, Convertible
2022 Can Am Spyder RTL
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