Turbo Imp - Surge tank advice?

[Nitetrain]

Every reliable setup that I've seen has a surge tank filled by a low
pressure pump,with a high pressure pump running from the surge tank to the
fuel rail and/or injectors.

Nitetrain

----- Original Message -----
From: "Dave Edge" <edgedj at yahoo.com>
To: <DIY_EFI at lists.diy-efi.org>
Sent: Tuesday, May 15, 2001 5:16 AM
Subject: Turbo Imp - Surge tank advice?


> Hi All,
>
> Just a quick note to all out there by way of
> introduction. I own a 1969 Sunbeam Stiletto (Hillman
> Imp by any other name) which has a 930 na engine
> fitted. The aim of the project is to produce a
> reliable 130bhp, more importantly I want 80lbs+ of
> torque. To do this I need to install a Renault 5
> Garrett T2 turbo and of course to do that, I need EFI.
> I have all the bits for the turbo from ss manifold to
> intercooler. I bought an aftermarket ECU from
> www.perfectpower.com and then my difficulties started.
> It's supposed to be a basic system repsonding to
> engine temp, MAP, throttle, electronic points, single
> coil firing, control of two banks of injectors. The
> ECU itself suffers from interference and refuses to
> fire consistently, flames have been spotted out the
> back when running. Basically the only reason the
> engine runs at all is that the coil fires virtually
> all the time and the rotor arm points the spark to
> ROUGHLY the right plug. Same result in my girlfriend's
> Nissan Micra so the ECU has gone back to SA for
> replacement(which they are very happy to do - phew).
>
> In the meantime, my main problem is that of fuel
> supply. I have a 60psi fuel pump from a Ford Fiesta
> XR2i, any ideas on surge tank location(are they even
> necessary) given my front petrol tank / rear engine
> setup.
>
> a) Surge tank high in the wing above the engine and
> use the old mechanical pump to fill it.
>
> b) Surge tank below existing fuel tank gravity fed and
> pressurise the line along the car
>
> c) just fit the thing in my fuel tank and wait for
> surge round corners.
>
> Cheers
> Dave
>
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