EST Distributor

[Len Sabatine]

    Most problems at the dealer level arise from an Individuals Understanding
    of the  "Service Parts Information". There are many Variations of a part on
    seemingly the same vehicle. Factory information is very often keyed to vin
    code.  If you ever attempted to navigate  GM parts information , you'd be
    a bit forgiving of the "Parts Department " personnel. It's Difficult by 
default.
     We work with these folks often and they're very helpful to us !
     Len

>I am not trying to group ALL of the part guys into one bin, it is just that
>there are more that only know what the book tells them & can not find the
>hood latch, than the other way around.  It is especially bad here in
>California where it is extremely hard to keep your doors open when the cost
>of doing business is SOOOO high.  the solution is to hire cheap labor.  you
>hire 5 guys @ $5/hour & 1 guy @ $10/hour.  the 5 guys make you money & the 1
>guy does the hard jobs & tries to keep the customers coming back when they
>have a problem with one of the 5.
>
>for example, I needed a Ported vacuum switch for my TR this weekend.  the
>parts guy could not find ANY, there are 3 on my car & he could not find any.
>I told him that I wanted to talk with someone else.  the someone else found
>me one right away.  I went down there & bang there it was.  2 port ported
>vacuum switch (the other 2 were 3 port).  I did not take the original one
>with me as I broke my PVS socket & was going to get one while I was out (BAD
>mistake).  so I get it home & what do you know, it is the wrong one as well.
>is this a case of a incompetent parts guy or a bad reference.  I don't know
>that but @ least he did know what I wanted & where to find it.  it sure did
>not make me any happier when I got the broken one out & found it to be
>bigger than the "new one" needless to say, the car does not have it right
>now & I have a plug in the water jacket, but I will find out tomorrow when I
>go visit them again.
>
>Sorry to go so far off subject.  know that I spent 5 years in college
>working @ an auto parts store cause the hours worked for me & I had people
>follow me from store to store to get MY service, parts is parts around here
>& the prices are all about the same, you shop for service.
>
>BW
>
>
>Oh yea, thank you for the on topic information :)
>
>-----Original Message-----
>From: owner-gmecm at diy-efi.org [mailto:owner-gmecm at diy-efi.org]On Behalf
>Of Shannen Durphey
>Sent: Thursday, March 29, 2001 9:17 PM
>To: gmecm at diy-efi.org
>Subject: Re: EST Distributor
>
>
>The MAF/165 TPI cars use an external knock sensor module.  The MAP cars do
>not.
>VIN F is a 305, VIN 8 is a 350.  In 1991 F cars both use a 1227730, which is
>MAP.
>The VIN 8 engine is used in both the Corvette and F car.
>Corvettes used the large cap distributor, F cars use the small cap style.
>Large cap distributors designed to use with EST systems are functionally
>interchangeable with small cap style.
>
>Parts guys are generally no better than the information they have.  Just
>because
>you don't understand what he meant doesn't mean he doesn't.  Remember that
>the
>dealership parts man's main job is to look up parts based on year, make, and
>model
>and get those parts to the technicians quickly.  His job is _not_ to know
>the
>differences between parts, or even what the parts do.  The good parts guys
>do go
>beyond this.
>
>Ya know, there's a few of us "professionals" on the list.  Prolly not a good
>idea
>to start laying blame yet...
>Shannen
>
>Bob Wooten wrote:
> >
> > I see.  I think that you are right, it is time that I get another source
>of
> > information.  what I was using was the print in the manual & an educated
> > guess @ how it works.  the description that Keith quoted makes perfect
>sense
> > to me now.
> >
> > the reference to the 8 engine code is to the VIN.  there were two TPI
>engine
> > codes in 91, one was 8 & the other F.  I think that the difference was one
> > was MAF & one MAP.  the distributor diagrams in the manual that I have are
> > different for them as well.  It appears that the 8 Engine code is the
>"HEI"
> > style of distributor with the Coil in cap & the F is the tall thin
> > distributor that I have that has an external coil.  but as I said, I don't
> > have that one so I don't know what it really is.
> >
> > a fried of mine has an Iroc that is a MAF car.  His computer died & the GM
> > dealer told him that there are two ECM's for his car.  one has the coil
> > driver in the ECM & the other has another "module" that goes between the
>ECM
> > & the distributor.  this has always perplexed me as I don't recall having
> > ever seen a GM "Module" that was not either in the distributor or in the
> > ECM.  any thoughts or is this just another "parts guy" that doesn't know
>his
> > ECM from a hole in the ground?
> >
> > Tanx, again to all.
> > BW
> >
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