<VV> Fuel Seepage at Carb Inlet Fittings

[Shaun McGarvey]

You are missing something Mike, and this is it:
when you tighten the small nut you are twisting the fuel line and putting a 
preload on it that eventually loosens the big nut (due to the increased 
leverage).
The solution is to push on the fuel line against the direction of tightening 
so it stays in the same place when you tighten the small nut. You'll have a 
free hand because you don't need to back up the big nut while tightening the 
small one.

yea, Vairily ... Shaun

----- Original Message ----- 
From: <Mikeamauro at aol.com>
To: <virtualvairs at corvair.org>
Sent: Thursday, April 24, 2008 7:48 PM
Subject: <VV> Fuel Seepage at Carb Inlet Fittings


> After 36 years of trying all kind of things to make the stock set up work,
> I'm ready to take drastic measures. Here's what I figure: vibration, set 
> up
> down  the steel fuel lines, no matter how firmly the inlet nut is 
> tightened,
> eventually loosens the nut. Then, the threads, being basically an inclined
> plane, once loosened, back out in the direction henceforth from which 
> installed.
> I've tried all the regular, as-well-as irregular stuff: 1st  tightening 
> the big
> not (to carb), and then the fuel line fitting (while backing  up the big
> nut); thread lock compound; Clark's deeper carb inlet nut; stock  fiber
> washers...nearly stock, but copper-clad washers...and aluminum washers. If 
> I've missed
> anything, please let me know, but all stated before is to hopefully  hold 
> back
> any standard "have you tried this, and have you tried that"  comments. 
> What's
> next: because my hypothesis is the inlet nut is backing out  ultimately 
> due
> to vibration, I'm going to insert a section of flexible  fuel line in the 
> steel
> lines leading to each carb. Questions: has anyone done  this? And, I want 
> to
> use braided fuel line (preferably Teflon  lined) designed and rated
> specifically for fuel line service in an engine  compartment. Can anyone 
> state a source
> for flexible fuel line meeting these  specifications?
>
> Much obliged,
> Mike Mauro
>
>
>
>
>
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