Keith,
I'm not sure if running them in series is the best way to go.
Before I went to a single Carter fuel pump in my race car, I used two SU fuel
pumps plumbed in parallel for many many years, without any problems. I had a
separate toggle switch for each pump.
My thinking is that if they are in series, you are pushing fuel through one of
the fuel pumps that is not functioning. If you have both pumps switched on,
then they are perhaps making to much pressure. I'm not an expert in this area,
but parallel plumbing makes more sense to me.
Richard Mayor
BN7L-466 Vintage Racer
Portland, Oregon
> Date: Sat, 16 Apr 2011 09:12:45 +1000
> From: ktee20@gmail.com
> To: healeys@autox.team.net
> Subject: [Healeys] Dual fuel pumps
>
> I propose fitting a secondary pump to a BN2 (neg earth) using an SU +
> Fedtro with a changeover switch
> The simple option is to run them in series . Is there any reason not to do
> this.ie loss of pressure etc
>
> Keith Taylor
> WAMBERAL OZ
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