The easiest answer to this problem is to install a SU dual pump. Then run
wiring up to a switch on the dash to go between the pumps. Th best switch to
use is a Bugeye turn signal switch.
David Nock
British Car Specialists
Stockton Ca
www.britishcarspecialists.com
On Apr 16, 2011, at 3:27 PM, Alan Seigrist wrote:
> Keith -
>
> On my Jag Mk IX there are two SU pumps which are plumbed parallel.
> The SU pumps' check valves prevent back flow into the separate
> opposing gas tank, so there's no need for an isolation valve.
>
> The set up works well and does provide a measure of security against a
> defective fuel pump. This was a factory standard set up on all Jag
> saloons of the era.
>
> Cheers,
>
> Alan
>
>
>
> On 4/16/11, keith taylor <ktee20 at gmail.com> wrote:
>> 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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>
> --
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