I only rebuilt the injector pumps ounce per pump and they was only running
on dino-diesel. The «88 has turned over 500 000 km now so perhaps are the
replacement part better than original... Quite right about the sulphur,
Sweden often want to be world leading in environmental issues and our
diesel
is weary low sulphur. That causes a lot of problems for car and trucks and
most diesel drivers ad extra lubricants as STP or RedLine. I have a Fiat
diesel that refuses to pump fuel without RedLine Additive. Perhaps shall I
try with a few percent B100 or SVO instead? :-)
Anyone knows where to order the stainless steel shock coupler?
Mats Jansson, "the Swede"
> FrŒn: Keith Addison <[EMAIL PROTECTED]>
> Svara till: [EMAIL PROTECTED]
> Datum: Sat, 4 Dec 2004 03:50:59 +0900
> Till: [EMAIL PROTECTED]
> €mne: Re: [Biofuel] veg oil innn gm 5.7---6.2
>
> Hello Ed, welcome back
>
>> Mats: I think Buck was saying that that part broke apart on diesel
>> fuel, not on biodiesel or SVO, wasn't he?
>>
>> In any case, SVO is not nearly as good a solvent as biodiesel. The
>> issue with high percentage blends of biodiesel and B100 is that it's
>> a solvent that attacks the pump seals.
>
> That's the theory, but is it really an issue? Dino-diesel seems to be
> just as corrosive, even when it's not LSD or ULSD. After all this
> time, do we actually have a clear-cut case of pump seals being
> corroded by biodiesel? We do hear of corroded seals, but I don't know
> of any where biodiesel was proven to be the culprit, or the sole
> culprit. As an issue I think it's overrated. If anyone is concerned
> about biodiesel rotting their pump seals I'd say go ahead and do it,
> it's unlikely to happen, if it does happen it's as likely to be a
> "natural death" anyway, and it's unlikely to be a sudden catastrophe,
> you'll have warning.
>
> Best wishes
>
> Keith
>
>
>> SVO does not do that, not to any great extent at least. The issue
>> with SVO, on the other hand is viscosity. Heating it to 70C
>> (roughly) gets it into the range that it can be tolerated by pumps -
>> some tolerate it better than others. Inline pumps do best, but many
>> rotary pumps do ok as well. There are lots of Stanadyne pumps using
>> heated vegoil.
>>
>> If your pump has had to be rebuilt a few times, on diesel, this is
>> because it was subjected to low sulphur diesel, most likely. That
>> fuel does not provide adequate lubricity. Interestingly, only 0.1%
>> addition of a Canola (rapeseed) derived lubricity additive would
>> have likely saved the pump!
>>
>> If you use cold pressed rapeseed oil, heated, two tank system, I
>> think you've have very good chances of success with SVO.
>>
>> There is for example a John Deere tractor (in Sweden) with a Roosa
>> pump - over 600 hours I believe, on rapeseed SVO.
>>
>>
>>
>> Regards,
>>
>> Edward Beggs B.E.S. M.Sc.
>> Neoteric Biofuels Inc.
>> http://www.biofuels.ca
>>
>>
>>
>> On Dec 3, 2004, at 3:00 AM, Mats Jansson wrote:
>>
>>> Is this "shock coupler" the only part that needs to bee replaced? In
that
>>> case it would be best to do before it brokes... Is this a problen when
>>> driving on processed biofuel too or just SVO? Do anyone knows where to
by
>>> the proper parts?
>>>
>>> Mats Jansson, Sweden
>>>
>>>> FrŒn: "Buck Williams" <[EMAIL PROTECTED]>
>>>> Svara till: [EMAIL PROTECTED]
>>>> Datum: Wed, 01 Dec 2004 09:54:16 -0700
>>>> Till: [EMAIL PROTECTED]
>>>> €mne: Re: [Biofuel] veg oil innn gm 5.7---6.2
>>>>
>>>> no it is not gov, ,, purposssse is to soften coupling between engiane
and
>>>> internanals,, the old ones were rubberlikeake plastic disc like a
disc pump
>>>> coupling, if u have pepper liake stuff, u must rebauldddddd the
pump, just
>>>> to getttt the trash out, the grit getsss into the finer passesges,
and pump
>>>> must be toanr down completellllll to change thae shock coupler,, it
only
>>>> cost,, used to cost couple of dollarsss but the labor cost tow, three
>>>> hundred at injections shop prices,but even if u could get it in, u
know,
>>>> knewwww that u are building in known failure unless u could get the
>>>> stanadyne part and the injectiaon shops are not casual about seelling
just
>>>> that piece, they want the pump job,. rebuildidng hte snanadyne pump
issss
>>>> somesting best not tried by the average mechanic,,,, the tool equaity
>>>> requaired is not worth the effort given the praobable chance of not
getting
>>>> it right, give it to reputable pump shop and have it rebuilt to
snaandyne
>>>> specs with the corredct stainless sprung coupler, in would even go so
far
>>>> as
>>>> to question the shop as to whetaher the stainless part is used, not
the
>>>> rubeerrr ,,,,, buck,>
>>>>> Is this shock coupler the same thing as the governor?
>>>>> When I had to have a pump rebuilt that's what they
>>>>> seemed to call it, and from memory their description
>>>>> of it was very similiar to what you're calling the
>>>>> shock coupler. I opened up the top of it before taking
>>>>> it in and found black bits all over, as I was told I
>>>>> would if it was bad. Interesting to see the inside,
>>>>> but I didn't dare tear into it without either the
>>>>> knowledge or tools.
>>>>>
>>>>> Thanks!
>>>>> Erik
>>>>> --- Buck Williams <[EMAIL PROTECTED]> wrote:
>>>>>
>>>>>> daryllll hannnah, drivess a 78? chevvy el
>>>>>> caminoo, burnsss veg oilll,,
>>>>>> that wouald beee the gm 5.7 with roosaaa
>>>>>> master,,/stanadynee pumpp,, same as
>>>>>> 6.2,, stanadtne was rebuilding early roosa for gm
>>>>>> application, it had a
>>>>>> shockkkk coup0ler insideeee that waass
>>>>>> incompatibleee with dieselllll fuel,
>>>>>> it was aaa plastic disc aabobut the sizeee of
>>>>>> silver dollar withhhh sixx
>>>>>> holes equallyy apaced. when diesel attacaked this
>>>>>> coupllser , it turneddd
>>>>>> blackkk, hard, briattle, breaking up ,looked like
>>>>>> blaack perpper,,trashed
>>>>>> the fuel systemm, also this causedd the cpupler to
>>>>>> drive on the pins, also
>>>>>> caused the timeingg to retard drasticallly,, roose
>>>>>> bout the designnn, and
>>>>>> built replacemeanat based on this with stainless
>>>>>> steel shock,,, coupler,
>>>>>> buck,for the personn wo wants to put his efflujent
>>>>>> into the creek,,,,,,
>>>>>> theree are many thisngsss, with neutral ph that
>>>>>> willl drop u in your
>>>>>> tracksss as sure as gunshot to the eyebrows, if u
>>>>>> want to find out how well
>>>>>> wash water in the creeeek might work, post two line
>>>>>> ad in your local
>>>>>> newspaper with your intentionsss,,jyour neighborss
>>>>>> will let you knoww how
>>>>>> welllll they thinkk it might work,,,,buck,think of
>>>>>> itttt this way,,,, the
>>>>>> discharge froam yourr washisng machine mightt be
>>>>>> neutrallll,,,,,, want to
>>>>>> drink it,,,,, dont put anythiang in your water u
>>>>>> wouldnt want to drink,
>>>>>> somebody does,,,, even if theyrrrrr cowss, and if so
>>>>>> then u or someone
>>>>>> drinks it anyawya
>
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