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Author Topic: Help Needed-68 Newport Gas Tank  (Read 1323 times)

Jason Medhurst

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Help Needed-68 Newport Gas Tank
« on: April 30, 2008, 11:19:33 AM »

I need a new tank for my 68 Newport Convertible.  Where should I buy this?  I have seen some parts being sold with the questin of does it have a breather or not.
thanks all!
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1968 Chrysler Newport Convertible, 2002 Chevy Silverado Duramax 423RWHP, 1995 Fleetwood Brougham LT1, 2005 Ford Excursion 6.0 Diesel

Steve

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Help Needed-68 Newport Gas Tank
« Reply #1 on: April 30, 2008, 11:57:58 AM »

PM Azblackhemi. azblackhemi   He's been hording cares lately.  He might have one
 
or try http://www,mooresautosalvage.com
 
POLARACO2008-04-30 16:59:20
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Favorite Expression. . . Damned Kids.  Lots of projects.  Donations accepted

Jason Medhurst

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Help Needed-68 Newport Gas Tank
« Reply #2 on: April 30, 2008, 12:25:31 PM »

AZ Black Hemi doesn't have one for me.
 
I have found some tnaks, but need to know if I need to order with no vents, 2 vents or 4 vents?
What are the vents for?  Do they hook up to anything?  What if I don't order the right tank?
 
Thanks!
J
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1968 Chrysler Newport Convertible, 2002 Chevy Silverado Duramax 423RWHP, 1995 Fleetwood Brougham LT1, 2005 Ford Excursion 6.0 Diesel

Steve

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Help Needed-68 Newport Gas Tank
« Reply #3 on: April 30, 2008, 01:06:56 PM »

Ahhh
 
Vapor recovery and so on.  Anti roll over, stuff like that.
 
If you have a vapor separator in front of your gas tank, you need a four vent (4).  If you don't, I suggest a 2 and plug the other if not needed.  In 68, I don't think they had the vapor recovery or the canister.  In that case, I think you only need one. They did have a vent line going from the back of the tank into the trunk.  I don't know if California was different or not.  68 was a funny year for emmissions
 
My best suggest is take a look.  At least you have something to work with now.  You'll know what to look for.
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Leaburn Patey

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Help Needed-68 Newport Gas Tank
« Reply #4 on: April 30, 2008, 02:21:49 PM »

I have a good used tank that has been treated inside and out.It has a few dents in it from when the springs went through the trunk.LOL
The car was running when I bought it.I had to drain out a good half tank of gas out of it.
As for new tanks,Spectra Premium makes them.They can be pricey but worth it.
CR20A with no vents
CR20B with 2 vents (Most common for 68 Chrysler)
CR20C with 4 vents (more or less for cars with smog equipment 72-73)
A couple of large U.S. autoparts stores carry SPI Napa,Rockauto,or O'Rielly's.I think...
www.spectrapremium.com
 All '68 Chryslers I have (and had) were 2 vents.
Used tank:
CBarge2008-04-30 19:29:58
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1968 Newport Custom project BOAB
1973 Satelitte wagon
1983 Dodge 400
2006 300C HEMI!!

Leaburn Patey

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Help Needed-68 Newport Gas Tank
« Reply #5 on: April 30, 2008, 02:31:20 PM »

Oh,and as for the sending unit,FG148A is for your car as well.FYI..
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1968 Newport Custom project BOAB
1973 Satelitte wagon
1983 Dodge 400
2006 300C HEMI!!

Jason Medhurst

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Help Needed-68 Newport Gas Tank
« Reply #6 on: April 30, 2008, 07:11:36 PM »

Thanks, you guys are awesome.
 
So, I guess the question is, if I order one wiht no vents, what's the harm?
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1968 Chrysler Newport Convertible, 2002 Chevy Silverado Duramax 423RWHP, 1995 Fleetwood Brougham LT1, 2005 Ford Excursion 6.0 Diesel

Ken

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Help Needed-68 Newport Gas Tank
« Reply #7 on: April 30, 2008, 08:03:43 PM »


The harm is your tank, or some part of the fuel line system, will collapse in upon itself due to the vacuum created/low pressure vs outside pressure.  Find out how many vents your tank has so you can get the right one.
Moesy2008-05-01 01:04:28
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Leaburn Patey

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Help Needed-68 Newport Gas Tank
« Reply #8 on: May 01, 2008, 04:30:04 PM »

As mentioned '68 Chryslers came with two vents,and also must use a vented gas cap.
One vent is clipped to the frame crossmember next to the left rear shock,and the other vent goes into the trunk and back down out of it again.Hope this pic from my FSM helps.

 
 Here is a pic of the vent lines I bent by hand..
CBarge2008-05-01 21:35:47
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1968 Newport Custom project BOAB
1973 Satelitte wagon
1983 Dodge 400
2006 300C HEMI!!

Steve

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Help Needed-68 Newport Gas Tank
« Reply #9 on: May 01, 2008, 05:03:14 PM »

Yeah that's what I was talking about. . I couldn't remember.
 
Moe, Vacuum is not pressure.  More than likely, the tank would get vacuum bound and the car would just stop running.  Vented caps are not enough
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Matt Aker

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Help Needed-68 Newport Gas Tank
« Reply #10 on: May 02, 2008, 09:41:10 AM »

If your car has the "CAP" (cleaner air package) you will have a four-vent tank.  The green and white sticker was usually on the RH inner fender.  Look under the spare tire for a steel line running across the trunk floor, if it's there you have "CAP" and a four-venter.  Both of my '68s had "CAP".
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