[T2] Vacuum advance

[Bob Pratt]

No, I don't think so. I think it was an add on. I'm wondering if the outlet from the oil filter to the oil pressure switch is plugged and keeping the oil pressure light from coming on.

Bob

> On Oct 10, 2016, at 11:57 PM, Andy McKinley <airhedz at gmail.com> wrote:
> 
> Could it be an industrial engine? Were they available with a filter?
> 
> 
>> On Oct 10, 2016 6:30 PM, "Robert Mann" <robtmann7 at gmail.com> wrote:
>> I meant of course 'low-efficiency oil *cooler*'
>> 
>> R
>> 
>> On Tue, Oct 11, 2016 at 12:36 PM, Bob Pratt <ka1dza at verizon.net> wrote:
>> 
>> > Thanks Bob and Dave and the rest for your comments.
>> >
>> > Bob
>> >
>> > On Oct 10, 2016, at 6:05 PM, Robert Mann <robtmann7 at gmail.com> wrote:
>> >
>> > In those days VW engines had no oil filter.  Some aftermarket filters have
>> > been designed to act also as a low-efficiency oil filter.
>> >
>> > Robt Mann
>> > '73 1600dp Devon camper
>> >
>> > On Tue, Oct 11, 2016 at 10:31 AM, Bob Pratt <ka1dza at verizon.net> wrote:
>> >
>> >> Hi all,
>> >> First, I own a '71 transporter with stock manual transmission and, I
>> >> think, stock engine.
>> >> I don't know if the dizzy is original to the engine. Also, was an oil
>> >> filter stock to that year engine? When I bought the bus, there was an oil
>> >> filter that protrudes out the rear of the motor.
>> >>
>> >> Bob
>> >>
>> >> > On Oct 8, 2016, at 7:45 PM, Dave Gillingham <dave at coronado-realty.com>
>> >> wrote:
>> >> >
>> >> > I agree that you should probably use a vacuum advance dizzy regardless
>> >> of what is inside.  I fought with a 009 (which used to be all the rage) for
>> >> several weeks, trying to figure out a stumble, before I bought a $5 vacuum
>> >> dizzy at a swap meet and solved the problem.
>> >> >
>> >> > Sent from my iPhone
>> >> >
>> >> > On Oct 8, 2016, at 4:40 PM, Dennis Gentry <dennis.gentry at gmail.com>
>> >> wrote:
>> >> >
>> >> >> What kind of bus? (I guess it must be '71 or earlier with a smaller
>> >> engine,
>> >> >> because I think '72 and later all have vacuum advances).  Manual or
>> >> >> automatic transmission?
>> >> >>
>> >> >> I'm guessing that by "electronic ignition" you mean something like a
>> >> >> Pertronix conversion or entire new distributor?  (I like those, by the
>> >> way.)
>> >> >>
>> >> >> I would stick with centrifugal advance if that's what came stock --
>> >> >> centrifugal and vacuum advance produce different advance curves.  But
>> >> most
>> >> >> of the buses I have worked on came with a vacuum advance.
>> >> >>
>> >> >> Is it that you can't find a vacuum inlet on the carburetor to connect
>> >> to
>> >> >> the distributor's advance unit?
>> >> >>
>> >> >> Again, it depends on the year of the bus (and type of transmission),
>> >> but my
>> >> >> '72 manual, for example, has a 4th gear vacuum advance cutoff switch
>> >> which
>> >> >> interrupts the vacuum once you're in 4th gear.  If you are really
>> >> switching
>> >> >> to vacuum advance from factory centrifugal, you'd probably want
>> >> something
>> >> >> like that unless you are willing to leave the timing less advanced
>> >> than is
>> >> >> optimal.
>> >> >>
>> >> >> Or if this is just to get the bus 10 miles to the garage, you can just
>> >> >> leave the vacuum advance disconnected and get by with the mild
>> >> >> centrifugal-only advance that most "vacuum advance" distributors have
>> >> (and
>> >> >> you'll cut 20% or so off your maximum power.)
>> >> >>
>> >> >> OK, I'll pipe down until I find out more about your bus.
>> >> >>
>> >> >> Best,
>> >> >> Dennis
>> >> >> P.S.
>> >> >> https://www.wolfsburgwest.com/wolfsburg_new/electrical/elect
>> >> rical_common/distributors.cfm
>> >> >> and https://www.summitracing.com/parts/pnx-d186504/overview/ have some
>> >> >> examples of what I'm talking about.
>> >> >>
>> >> >> On Sat, Oct 8, 2016 at 3:56 PM, Bob Pratt <ka1dza at verizon.net> wrote:
>> >> >>
>> >> >>> Hi all.
>> >> >>> I finally found someone who will help me with the wiring on the bus.
>> >> >>> Now I'm working on getting the engine started to drive 10 miles to the
>> >> >>> garage.
>> >> >>> A friend gave me a distributor with an electronic ignition and vacuum
>> >> >>> advance.
>> >> >>> My bus does not have vacuum advance. Is it difficult to change over?
>> >> Do I
>> >> >>> need a different carburetor?
>> >> >>> Thanks again for the group's collective knowledge.
>> >> >>> Bob
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