Peter,
Just as a matter of interest what sort of pre pump(s) are you running and
what rate of flow if you know. Are you sure it was your pre-pump not
supplying enough fuel to the surge tank or could it have been the hp pump
over heating. Do you have a pressure gauge? I saw a neat trick for
overcoming supply problems in a race car a long while back at Bathurst in
Jim Richard's Skyline, they were fitted with an auxiliary lp that was
triggered by a sensor on the surge tank, it was a device that looked a bit
like the low water sensor in a ford and it worked well. I think all or at
least some of the V8's use a similar device these days.
sorry about all the questions but I'm just curious
terry
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Peter
Sent: Monday, 11 September 2000 9:09 PM
To: [EMAIL PROTECTED]
Subject: Re: Errol/list/zac
My two cents worth!
I have run the line back to the Surge tank, as I think it's best to keep the
Surge tank full at all times, an example of this is a recent meeting at
Winton
on a hot day. Coming into turn one and two, I started to get what seemed to
be
fuel surge, which was caused by the heat factor, if I didn't run the line
back
to the surge tank then I would of run out.
I would not rely on the primary pump even on the street, as you say he is
probably going to give it a caning.
Peter
SR20DE Race Car (1600)
justin darragh wrote:
> Guys, guys, guys,
> I do understand all that you are saying and thanx but, at the end of the
day
> I am building the thing for a 19yr old who will, no dout do silly things
> with it. There will come the day he is out driving in the heat of summer
> with little cash on a country road, pull into a servo with no
"opti-fen-max"
> and have a good cane and f#*k my beautiful job. I realise that surge
return
> has a few advantages but none outway doing a job right the first time.
> Nothing excuses a motor detonating from hot fuel. Too many racers have
> learnt this. I dont want a 2lt swirl pot or a fuel cooler. Subs in the
back
> tells me the system is going under the car so a liter pot is being used. I
> am returning rail fuel to the tank.Thanx Errol/list
>
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