Date: Sat, 11 May 2013 14:32:12 -0700
Reply-To: Scott Daniel - Turbovans <scottdaniel@TURBOVANS.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Scott Daniel - Turbovans <scottdaniel@TURBOVANS.COM>
Subject: Re: Bluestar =?windows-1252?Q?project=85no_start_yet?=
In-Reply-To: <080CF9D9-1B96-414C-88DC-854099A260CE@aol.com>
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The fuel pick-up is in a sump at the bottom of the tank.
( I often run waterboxer engines on a whole separate tank, just for
testing purposes. Just two lines, feet and return )
A fuel
pressure guage of the right type is about 30 bucks at HF.
you can get years of good service out of one.
it's easy to hand the injectors outwhere you can see them spray ..it's
in Bentley.
minor nuance of that test the way Ido it..
rather than crank on the starter I like to have the distributor in
myhands, or another known good back-up one ...and turn the dist with my
fingers, key on, watch injectors spraying.
it's nice to hear the fuel pump trigger at each quarter turn of the
distwith your fingers.
Very useful to have a NOID light to make sure ecu is sending signal to
each injector.
popping could mean timing is wayout.
Watching the valves for# 3 you can tell when it's on # 1 tdc..
that is the only actual way to tell.
For all you know the dist drive gear & shaft could be installed incorrecty.
Pop the left valve cover .... get to 'point of balance' on thosetwo
valveson 3.
see if dist rotor points to # 1 ..
check firing order about 5 times.
it just works out that it's 1-2-3-4 on the dist capgoing backwards
..counterclockwise.
personally I wouldn't thinktoo much about fuel in the return downstream
of the FP regulator yet.
Ya gotta have an FP guage to be sure.
scott
www.turbovans.com
On 5/11/2013 1:27 PM, Steve Cotsford wrote:
> Checking over the system as I have not started it yet. I have managed to get a few pops but no more.
>
> I have fuel getting to the engine after several hours of work. I managed to get at least 3 cups of water out of the tank by continuously flowing about 5 galls of gas through to the entry of the fuel pump and then discarding the water etc. The gas now comes out clear but there is probably more rubbish in the bottom of the tank. I have not yet bitten the bullet to drop the tank. The amount of rust I have seen is minimal compared to the amount of what I assume to be water that settles at the bottom of my containers.
>
> I fitted a pre-filter before the pump and added fresh fuel to the tank. Hopefully this will enable me to get the tank reasonably clean.
> The fuel pump was pretty clogged and would not run but cleaning out on the entry side enabled it to run and flow fuel. Fuel that flows is clean.
>
> I have run the pump to pressurize the system. I see no fuel on the return side of the pressure regulator however. I think this means that I am not building enough pressure to cause it to relieve although I can feel a vibration on the regulator while the pump is running.
>
> Am I correct in assuming that absence of fuel in the return indicates insufficient fuel pressure ?? I don't have a gauge on hand yet.
>
> How close to the bottom of the tank is the fuel pick-up?
>
> The next job I think is to remove the injectors and test them and to more accurately check the ignition timing.
>
> Any other well known tricks to try?
>
> Thanks Steve