fot
[Top] [All Lists]

Re: Fuel system questions

To: "fot@autox.team.net" <fot@autox.team.net>
Subject: Re: Fuel system questions
From: Larry Young <cartravel@pobox.com>
Date: Thu, 12 Feb 2004 13:53:21 -0600
Susan,
We had exactly the problem Jack describes when we put the HS6s on our 
TR3.  Starvation on left hand turns.  Reorientation required plugging 
off some of the inlets and drilling an extra inlet on one top.
Larry

Jack W. Drews wrote:

> Susan, if you have fuel starvation only in the proximity of the 
> corners, it is almost always due to one of two things -- either the 
> fuel cell pickup location or the carburetor float bowl orientation, 
> and almost never by the pump, filter, or regulator location.
>
> You can check the fuel cell possibility by running your car with a 
> completely full fuel cell and then running it on a nearly empty cell 
> to see how it acts.
>
> What kind of carbs are on your car? If you have Strombergs, let me 
> know and I'll go through the litany of things we tried with Strombergs 
> on The TR4 that never solved the problem.
>
> If you have SU's, look at the float bowls and note the location of the 
> pivot for the float. If the pivots of both are on the outside or 
> inside, you will have this problem due to the fuel sloshing up the 
> side of the chamber and making the floats either close the float 
> valves or open the float valves, depending on location of the valves 
> now and the direction of the corner.
>
> The fix for this is to oreint the float bowl tops so that one pivot is 
> towards the rear and one is towards the front. Do this by just 
> rotating the float chamber tops. Sometimes it is awkward because it 
> leaves the fuel inlet pointed the wrong way for a tidy routing of the 
> fuel line. There are also fixes for that, since there is a big variety 
> of float bowl tops with various inlet and vent patterns.
>
> At 07:42 AM 2/12/04 -0600, you wrote:

<Prev in Thread] Current Thread [Next in Thread>