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Re: Racing with SU's & flooding?s

To: "Paul" <9laser3@bright.net>, <datsun-roadsters@autox.team.net>
Subject: Re: Racing with SU's & flooding?s
From: "datsunmike" <datsunmike@nyc.rr.com>
Date: Mon, 24 Jul 2000 20:32:30 -0400
Paul,

What's the fuel pump pressure? Maybe you should put a regulator in. I
haven't used gross jets but several guys in my MGB club run them and are
very happy.

66 Mike
----- Original Message -----
From: Paul <9laser3@bright.net>
To: <datsun-roadsters@autox.team.net>
Sent: Monday, July 24, 2000 6:46 PM
Subject: Racing with SU's & flooding?s


>   The front carb of Jim's 1600 decided to try Chris's patience this
weekend.
> While the car ran great in Saturday morning's practice, It started acting
up
> in the afternoon race.  Diagnosis; flooded front carb.  Symptom; gas
pouring
> out the over flow.  First thought was that the float had sunk.  It hadn't.
> Second thought was to high of a fuel level in the float chamber.  It
wasn't.
> Third shot was that maybe the needle wasn't closing.  Well, at 3000 RPMs,
it
> appeared to be okay. Ran great in the paddock.  Back out on the track, it
> ran fine for a lap or so and then started flooding and fouling the front
two
> plugs.  Jim was able to keep it going by turning the fuel pumps on & off,
> but only for another few laps.  Again, a quick check showed fuel coming
out
> the overflow and the front two plugs beginning to foul.
>   Back in the paddock, at 3000 RPMs, everything was fine.  But at 6000,
fuel
> began to flow out the overflow again.  Swapped needles, three times,
before
> getting the over flow down to a drip.  Worked well enough to capture
second
> place, but not a permanent solution.
>   Is anyone using Grose-Jets?  Or is there another solution?
>
> TIA,
>
> Paul
> OROC
>


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