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Author
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Topic: Fuel line sealent
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Fastymz
Moderator Posts: 19583
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 07-21-2004 02:47 AM
   
I got my 700dp rebuilt, starting with 66front and 76 rear jets,28-31 nozzles and a 4.5pv.I got a chrome Summit 4150 carb fuel line for it, but it has a hole for a fuel gauge which I dont have. It comes with a plug but what kind of sealant do I use to hold the plug tight in there and to seal it from leaking ?? ------------------
SCOOP oddly obsessed with big scoops on little Mustangs 65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics The older I get
The better I was
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thumpin cat
Gearhead Posts: 474
From: Santa Barbara, California
Registered: Mar 2002
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posted 07-21-2004 02:49 AM
Its probably an NPT thread so you should either go with a teflon tape or the permatex teflon stuff that comes in a tube.
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Fastymz
Moderator Posts: 19583
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 07-21-2004 02:53 AM
Thanks  ------------------
SCOOP oddly obsessed with big scoops on little Mustangs 65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics The older I get
The better I was
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Fastymz
Moderator Posts: 19583
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 07-21-2004 05:48 PM
Should I use any sealant on the fuel line where it connects to the fuel bowls ?Can I use some red lock tight on the plug on the chrome fuel line where a fuel gauge goes ? Other wise the plug is loose in there ? ------------------
SCOOP oddly obsessed with big scoops on little Mustangs 65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics The older I get
The better I was
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SteveLaRiviere
Administrator Posts: 43791
From: Saco, Maine
Registered: May 99
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posted 07-21-2004 06:01 PM
quote:
Originally posted by Fastymz:
Should I use any sealant on the fuel line where it connects to the fuel bowls ?Can I use some red lock tight on the plug on the chrome fuel line where a fuel gauge goes ? Other wise the plug is loose in there ?
No, and if you use a brass plug for the hole where the fuel gauge goes, you won't need any sealer there. For obvious reasons, it's best not to use any sealant in your fuel line. {so you don't clog your needle and seat or internal passages} ------------------
'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
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Fastymz
Moderator Posts: 19583
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 07-21-2004 06:32 PM
Steve it's a metal plug that came with the fuel line.If I tighten it down all the way it goes into the flow of the fuel. I was thinking if I use some red lock tight it would hold it in place ?Or maybe I should just go and buy a better line ?
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SCOOP oddly obsessed with big scoops on little Mustangs 65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics The older I get
The better I was
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SteveLaRiviere
Administrator Posts: 43791
From: Saco, Maine
Registered: May 99
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posted 07-21-2004 06:41 PM
The fuel would probably dissolve the Loctite, being in direct contact like that. In that application I probably would use a brass plug {the threads are tapered} or liquid teflon pipe sealant or teflon tape in that order. And I'd be very stingy with the teflon.------------------
'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
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Fastymz
Moderator Posts: 19583
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 07-21-2004 06:44 PM
Thanks On the ends of the fuel line where it bolts to the carb fuel bolws does that need any sealant ? ------------------
SCOOP oddly obsessed with big scoops on little Mustangs 65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics The older I get
The better I was
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SteveLaRiviere
Administrator Posts: 43791
From: Saco, Maine
Registered: May 99
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posted 07-21-2004 07:01 PM
No. The steel fitting screws to the float bowl using the big diameter thin gasket, and the fuel line itself screws to the fitting directly and the end of the tubing is flared which seats against the steel fitting in the same way brake lines do.------------------
'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
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