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Author
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Topic: Fuel Leak
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tsmith
Journeyman Posts: 65
From: Gloucester, Va. U.S.A.
Registered: Jun 99
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posted 10-17-2004 07:05 PM
  
I have a '68 covt. with a 200 in it.
I've got a massive fuel leak under the drivers side rear seat.
I haven't crawled under it yet to see what the deal is, but I know I need a new rear floorboard anyway...So my question is (finally you say!)
If I'm going to end up replacing the fuel line, should I just go ahead and replace the fuel tank and sending unit while I'm doing it? I've not had any problems with the tank or sending unit when I was driving it. Thanks, Tony
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Ryan Wilke
Gearhead Posts: 1884
From: Stanton, Michigan 49707
Registered: Oct 2000
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posted 10-17-2004 10:51 PM
It depends... If the inside and outside of the fuel tank is in good shape there shouldn't be any need to change it. But if you drain it, remove the pickup assembly and look inside with a flashlight and see it full of rust, then I'd be inclined to replace the tank; regardless if the outside of the tank looked OK..... GOOD LUCK!
Ryan 
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indyphil
Gearhead Posts: 1865
From: Senoia, G.A. USA
Registered: Jul 2002
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posted 10-18-2004 12:16 PM
I replaced the tank and lines on my 68, its not too hard to do and payed off for me. Mine was full of crud and was clogging fuel filters every 200 miles. the sender unit was bad and so for me it was obviously a good idea. For you it depends on how bad your current parts are. Its not too hard a job so you could leave it for another time if your not wanting to mess with it now.The most tedius part of the process is draining the old tank to remove it... ------------------
'68 coupe, '66 289 C code
engine, edel 600cfm carb, performer intake, dual exhaust http://www.geocities.com/ottouk_77/68mustang.htm
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SteveLaRiviere
Administrator Posts: 40204
From: Saco, Maine
Registered: May 99
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posted 10-18-2004 07:08 PM
Before you jump to conclusions, why not check to see if the rubber hose connecting the fuel pickup to the fuel line has just failed?If I hadn't had any problems with the fuel tank and sending unit, I'd probably just give the tank a rinse and call it good. ------------------
'70 Mustang Mach 1 351C 4V/FMX/3.25 Open
'70 Mustang Convertible 250 I6/3 speed/2.79 Open
'72 Mustang Sprint Hardtop 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip [This message has been edited by SteveLaRiviere (edited 10-18-2004).]
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68mustang351w
Journeyman Posts: 9
From: San Diego
Registered: Sep 2004
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posted 10-18-2004 07:35 PM
Well what does the filter look like ? Before i replaced my tank i washed it with 10 gallons of gas, then had the engine rebuilt and the mechanic washed it out as well and i still had a $#!+ load of rust in the filter. Oh and tiny pin sized holes at the bottom that were leaking gas. Id say check the filter and the underside of the tank (to see if its wet from gas) and replace if necessary, and maybe step up to a bigger tank (22gallon). Sorry for the long post. David F.
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tsmith
Journeyman Posts: 65
From: Gloucester, Va. U.S.A.
Registered: Jun 99
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posted 10-18-2004 07:36 PM
Thanks guys, I'll do what you said.First I'll check the rubber hose (where I live "something" may have eaten it. Since all the gas drained out anyway, may as well take a look inside while I'm doing it..it ran like junk last time I had it out. Don't ask when that was....I'm ashamed... Thanks again, T
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