Just a general question about sandown, what dates is it on? I heard its
different this year??
thanks
Tim
>From: Michael Foreshew <[EMAIL PROTECTED]>
>Reply-To: [EMAIL PROTECTED]
>To: [EMAIL PROTECTED]
>Subject: Re: Fuel Problems.
>Date: Sun, 16 Jul 2000 05:55:17 -0700 (PDT)
>
>Trevor,
>
>Thanks for that. I am not sure whether the fuel bowl is running out
>beacuse the pump can't keep up or there is a restriction in the fuel line.
>The car sat on a farm in Warragul for 3 years. I am guessing that all the
>crud in the tank has settled. I will put some new fuel line of a wider
>diameter. I car currently runs a Bluebird electric fuel pump. I have
>another so I am going to try and run them in series (ie near fuel tank and
>in engine bay) in the short term and see if that makes a difference. The
>car is OK after a few seconds on none WOT operation.
>
>See you at Sandown.
>
>Cheers
>
>--- "Pooley, Trevor" <[EMAIL PROTECTED]>
> > wrote:
> >Michael,
> >
> >I have been going through this all year. Big summary of what I have
>found.
> >1600 fuel lines and mechanical pump are not up to performance L series
> >applications. Particularly in constant WOT situations of a long duration.
> >Big broad ballsy statement I know.
> >
> >I have found in worsening order su's, single 45mm webber and twin 45mm
> >webber in the above mention application to all have fuel supply problems,
> >particularly in 3rd, 4th and 5th gears. What tends to happen is you run
>the
> >fuel bowl dry faster than the pump can fill it.
> >
> >Summay for carb type.
> >su: would run out in 4th an fifth on the straight at sandown with std
>fuel
> >lines mech pump, STD L18 and extracters.
> >single 45 webber would run out of fuel at around 4500-5000rpm in 3,4,5th
> >gear at Phillip island . Again std fuel lines, mech pump, STD L18,
> >extracters. Note this did not show up in testing on the street, only on
>the
> >track.
> >single 45 webber would run out of fuel at around 5000-5500rpm in 3,4,5th
> >gear at Sandown. Again std fuel lines, facet electric fuel pump, STD
>L20B,
> >extracters.
> >Twin 45 webbers at calder, 3/8 fuel line from the tank (run underneath
>the
> >car), new electric fuel pump, STD L20B, extracters. Problem fixed.
> >Now at winton short track Twin 45 webbers, 3/8 fuel line from the tank,
>new
> >electric fuel pump, STD L20B, 76 deg Cam, extracters. No fuel probs but
> >didn't get to use 4,5th gear to really test the car.
> >
> >Other suggestions make sure fuel tank has a vent system hooked up so tank
> >isn't under vaccum as you pump out the fuel.
> >Test fuel system using a 1 litre container and disconnect fuel line at
>carb,
> >turn pump on and dispense fuel into container. If you can pump around 1
> >litre a min you should be ok. You can also do this before and after
>filters
> >etc to find restrictions in the system. If problem persists check needle
>and
> >seat in carb.
> >
> >Guide to fuel useage at winton 50 laps was equivalent to full tank + 5
> >litres say 35Litres. Assuming average lap time 82sec then 50 x 82
>=4100sec
> >then for minutes 68.3minutes of fuel. So for litres per min at winton
>0.51
> >litres/min. I am expecting higher at other tracks where I will be on cam
> >(read higher revs) more.
> >
> >If you want a look at what I've done then come down to sandown on the
>29/30
> >of July.
> >
> >Regards
> >Trev
> >
> >
> >
> >Date: Tue, 11 Jul 2000 10:26:10 +1000
> >From: "Errol Smith" <[EMAIL PROTECTED]>
> >----------------------------------------
> >Michael,
> >Ask Trevor Pooley about the difference fuel line sizes can make to
> >performance.
> >Cheers
> >Feral Errol
> >
> >----------
> >From: Michael Foreshew <[EMAIL PROTECTED]>
> >To: [EMAIL PROTECTED]
> >Subject: Fuel Line and Tank
> >Date: Tuesday, July 11, 2000 9:00
> >
> >Just put the SU's on the rally car and took it for a spin. Good
> >improvement. Then put ram tubes and better air filters on and
> >#$%$#$#%^#@%. Great improvment.
> >
> >The one problem I have is that it is running out of fuel. I was going to
> >replace the fuel line and locate inside the transmission tunnel so that
>it
> >doesn't get ripped off by rocks and stuff. The question is does anybody
> >have recommendations of where I could get get this pipe made up?
> >
> >The other questions is there is probably some crap in the tank preventing
> >full fuel flow Any advice on th4e best way/place to get these cleaned
>out?
> >
> >Cheers
> >
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