Date: Mon, 28 Apr 2014 20:33:58 -1000
Reply-To: "SDF ( Scott Daniel Foss )" <scottdaniel@TURBOVANS.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: "SDF ( Scott Daniel Foss )" <scottdaniel@TURBOVANS.COM>
Organization: Cosmic Reminders
Subject: Re: Digifant question...fuel pump effect?
In-Reply-To: <CAHTkEu+Q+PxMWODC7AVdH3VWckzHi7RZ1aCPQQ+bi2dP4HL3Eg@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
For your needs and desires Don..
an inexpensive reliabe inline VW four is perfect.
and your fuel injection system works well enough ,
and performance/economy is acceptible ..
and emissions are not an issue.
what's not to like ! ! ! ? ?
Treating the fuel now and then is a very smart move.
I would not consider 'never' treating the fuel itself ..
reminds me ..a new-to-me modest work truck is due.
Stabil is fine stuff,
the one I really swear by though is SeaFoam.
that stuff is magic.
On 4/28/2014 4:13 PM, Don Hanson wrote:
> Thanks Scott, very good explanation for me. Neil, no dirt or rust in my
> fuel tank or pump. I've been dilligent about running some fuel system
> cleaner through often and also I use Stabil as a fuel system cleaner after
> finding it worked marvelously in my dirt bike tanks and carbs.
>
> I tend to be 'results orientated' when it comes to modifications...Like
> even thinking about changing to a more "modern" engine management
> system...If someone could show me a motor just like mine that was
> significantly more effective with a different injection system, and the
> improvement was significant enough to make the changeover expense and
> labor worthwhile, then I might have cause to work towards those 'resulting
> changes'.. I also tend to follow the "if it ain't broke, don't fix it"
> philosophy and also 'leave well enough alone'...I learned early on that
> modifying something doesn't necessarily always make it work better.
> Chassis dynamometers are the great truth tellers....I had friends in the
> racecar world spending thousands of bucks on the latest and greatest mods
> only to find they'd actually lost performance or gained maybe 1 or 2 hp for
> each thousand they'd spent.....They would have got more for their money
> spending that money racing and getting faster driving....enjoying the
> vehicle all the while rather than having it apart in the shop and spending
> wads of money on it..
>
> I've had Motronic P-cars...They were more powerful than my VW digifant..
> But certainly no more reliable..... I consider my Vanagon to be a rather
> simple vehicle....I like it like that, because there are fewer things to go
> wrong....Manual windows, no 'climate control' no OBD nuthin'....it works
> just fine for me...I don't see guys with Motronic motors leaving me in the
> dust, I more often see them posting on the boards about false Codes, broken
> sensors, how to 'fool' the computer, etc etc...while I am off camping
> somewhere in my digifant van...blissfully un-aware of how crude it is to
> not have individual sequential injector firing...
>
> Thanks guys...I must be imagining that my motor is working better, mainly
> because I no longer hear that pump that sounded like a jet engine spooling
> up....
>
>
> On Mon, Apr 28, 2014 at 5:07 PM, Neil N <musomuso@gmail.com> wrote:
>
>> Don.
>>
>> Do you suspect there's any amount of dirt in the fuel tank? Did you
>> find any dirt in the noisy pump internal screen?
>>
>> (no. Don't ask why I ask. ;)
>>
>> Neil.
>>
>>
>>
>> On 4/27/14, Don Hanson <dhanson928@gmail.com> wrote:
>>
>>> My fuel pump has been really noisy for about 1500 miles now and I just
>>> replaced it with a new one...A quiet one...
>>>
>>> Now, with the noisy one, the van ran OK....no glaring issues with
>> it's
>>> digifant inline four motor....I did 'sense' a slight hesitation as I
>>> accelerated from coasting...I think....and sometimes as I went from no
>>> throttle to throttle, like at the bottom of a gully, there was a big
>>> hesitation, like the motor was OFF for a second or two, then pretty
>> normal
>>> again...
>>> I think this slightly "off" behavior has all gone away with the new
>> pump
>>> installed..I could be imagining it but the motor seems to run better now.
>>>
>>> ..... But is
>>> it possible the noisy pump was making the engine run less perfect?
>>> I should know, but how does the digifant fueling system actually work?
>>> Could the old noisy pump be supplying inadequate fuel pressure and
>> volume,
>>> just by a little? It seemed to not matter how much throttle I was
>>> using...the van ran fine, but just whining and noisy...
>> --
>> Neil n
>>
>> Blog: tubaneil.blogspot.ca
>>
>> '88 Westy http://tinyurl.com/c8rlw6p
>>
>> '81 VanaJetta 2.0 "Jaco" http://tubaneil.googlepages.com/
>>
>> Vanagon VAG *Gas* inline-VR Engine Swap Group:
>>
>> http://tinyurl.com/d7gd5ej
>>
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