RE: RE: Re: RE: RE: Setting Distributor Drive Timing (Fuel Sync) without

From: Bernd D. Ratsch (fasstdak@hotmail.com)
Date: Mon Jun 14 2004 - 14:39:35 EDT


Most run better set at 6.

- Bernd

-----Original Message-----
From: owner-dakota-truck@bent.twistedbits.net
[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of BlackDak93
Sent: Monday, June 14, 2004 1:04 PM
To: dakota-truck-moderator@bent.twistedbits.net
Subject: Re: DML: RE: Re: RE: RE: Setting Distributor Drive Timing (Fuel
Sync) without

Why 6? I thought it was supposed to be 0.

""Bernd D. Ratsch"" <fasstdak@hotmail.com> wrote in message
news:001801c451cb$6f0dc1c0$020aa8c0@bernd...
>
> You won't feel the difference immediately - long term effect. Best
> bet,
set
> it where you feel comfortable and have a local dealership set the Fuel
Sync
> to "6" +/-1 with the DRB.
>
> - Bernd
>
> -----Original Message-----
> From: owner-dakota-truck@bent.twistedbits.net
> [mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of
> BlackDak93
> Sent: Sunday, June 13, 2004 5:28 PM
> To: dakota-truck-moderator@bent.twistedbits.net
> Subject: Re: DML: RE: Re: RE: RE: Setting Distributor Drive Timing (Fuel
> Sync) without
>
>
>
> My only question is, since there is a few degress of difference, do
> you
set
> it to where it just goes, high, just goes low, or somewhere in
> between? I tried all three today, and quite honestly, I can't "feel"
> any difference. ""greg conner"" <dodgeboy93@hotmail.com> wrote in
> message news:BAY15-F34ipsKR6sB8d000a8444@hotmail.com...
> >
> > The voltmeter approach is fairly accurate. I've set the sync on
> > quite a
> few
> > trucks with a voltmeter then later checked it with a scantool. The
> > voltmeter approach has allways gotten me + - 2 deg of being dead on
> > if not dead on. The best way is still to set it with a scantool.
> >
> > As far as oil pump driveshaft orientation goes, on both the magnum
> > and la engines the slot in the drive shaft gear is to be pointing
> > one tooth conterclockwise of straight ahead, as bernd stated
> > earlier. The slot will actually be pointing at the the number 1
> > cylinder front intake bolt hole.
> >
> >
> >
> > Greg Conner
> > 1996 RC
> > 3.9 hybrid
> >
> >
> >
> >
> >
> > >From: "Bernd D. Ratsch" <fasstdak@hotmail.com>
> > >Reply-To: dakota-truck@dakota-truck.net
> > >To: <dakota-truck@dakota-truck.net>
> > >Subject: DML: RE: Re: RE: RE: Setting Distributor Drive Timing
> > >(Fuel
> Sync)
> > >without DRB
> > >Date: Sun, 13 Jun 2004 14:29:16 -0500
> > >
> > >
> > >On some of the older ('94 and older) vehicles, you can't set the
> > >sync
> with
> > >the DRB. Is the voltmeter way inaccurate? Guess how DC techs were
> > >doing this before the DRB - voltmeter. While I respect KRC's
> > >opinion on how to set sync, they don't work for DC.
> > >
> > >Proper way is still with the DRB (or any scanner that can show Fuel
> Sync -
> > >SnapOn MT2500 for example) - just make sure you install the
> > >distributor correctly (aligned properly).
> > >
> > >- Bernd
> > >
> > >-----Original Message-----
> > >From: owner-dakota-truck@bent.twistedbits.net
> > >[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of
> > >BlackDak93
> > >Sent: Sunday, June 13, 2004 1:16 PM
> > >To: dakota-truck-moderator@bent.twistedbits.net
> > >Subject: DML: Re: RE: RE: Setting Distributor Drive Timing (Fuel
> > >Sync) without DRB
> > >
> > >
> > >
> > >If I read KRC's procedure correctly, they are talking about setting
> > >the timing mark to TDC for timing the distributor, not setting fuel
> > >sync.
> Their
> > >procedure does not state how to set fuel sync with a voltmeter, as
> > >they
> say
> > >it is inaccurate. The procedure below addresses how to set the
> > >initial
> sync
> > >without a DRB scan tool. I think this is the discrepancy.
> > >
> > >
> > >""Bernd D. Ratsch"" <fasstdak@hotmail.com> wrote in message
> > >news:000a01c4516f$b8915b10$020aa8c0@bernd...
> > > >
> > > > Yes...that's the official and correct way to set initial sync as
> > > > per DC.
> > >If
> > > > not set properly, you can had adverse performance. The proper
> > > > way is
> > >still
> > > > to properly align the distributor and then set sync via the DRB
> > > > or any
> > >other
> > > > scanner that shows Fuel Sync at 1000rpm (not to be set above or
> > > > below 1000rpm).
> > > >
> > > > - Bernd
> > > >
> > > > -----Original Message-----
> > > > From: owner-dakota-truck@bent.twistedbits.net
> > > > [mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of
> > > > James Calder
> > > > Sent: Sunday, June 13, 2004 11:50 AM
> > > > To: dakota-truck@dakota-truck.net
> > > > Subject: DML: RE: Setting Distributor Drive Timing (Fuel Sync)
> > > > without
> > >DRB
> > > >
> > > >
> > > >
> > > > There seems to be a discrepancy to as where the mark on the
> > > > damper should be. Some people say the damper should be right on
> > > > the TDC mark (like
> > >KRC's
> > > > write-up) while others say it needs to be advanced to the V8/V6
> > > > mark on
> > >the
> > > > damper. If the procedure below is as per DC, what's the
> > > > difference when going by the actual TDC mark and not the V8/V6
> > > > mark? Can this have an adverse affect?
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: owner-dakota-truck@bent.twistedbits.net
> > > > [mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of
> > > > Bernd D. Ratsch
> > > > Sent: Sunday, June 13, 2004 9:17 AM
> > > > To: dakota-truck@dakota-truck.net
> > > > Subject: DML: Setting Distributor Drive Timing (Fuel Sync)
> > > > without DRB
> > > >
> > > >
> > > >
> > > > This is a base setting for those without a DRB or other scanner
> > > > that shows Fuel Sync...but you still should have it checked for
> > > > proper setting on
> > >Fuel
> > > > Sync. Correct procedure from DC as well.
> > > >
> > > >
> > > > Distributor Indexing
> > > >
> > > > SYMPTOM/CONDITION:
> > > > Vehicles may exhibit surging, light bucking, or intermittent
> > > > engine misfiring. This will most likely occur when the vehicle
> > > > is at operating temperature, and under a light load at
> > > > approximately 2000 RPM. This condition may be caused by a
> > > > mis-indexed distributor. The following procedure is an
> > > > alternative to the indexing procedure outlined in the service
> > > > manual.
> > > >
> > > > REPAIR PROCEDURE:
> > > > This procedure outlines an alternative distributor indexing
> > > > procedure.
> > > >
> > > > Connect a voltmeter to the distributor sensor connector by
> > > > removing the
> > >end
> > > > seal and carefully back probing the connector. Connect the
> > > > positive lead
> > >to
> > > > the sensor output pin (pin 3, either a tan wire with a yellow
> > > > tracer or a gray wire, depending on vehicle application).
> > > > Connect the negative lead to the sensor ground pin (pin 2, a
> > > > black wire with a light blue tracer). Rotate the engine
> > > > clockwise as viewed from the front, until the number one piston
> > > > is at Top Dead Center
> > > > (TDC) of the compression stroke. The timing mark on the vibration
> > > > damper should line up with the zero degree (TDC)
> > >mark
> > > > on the timing chain case cover.
> > > > Continue to rotate the engine slowly clockwise until the V6 or
> > > > V8 mark (depending on engine type) lines up with the zero degree
> > > > (TDC) mark on the timing chain case cover. The V8 mark is
> > > > 17.5°after TDC and the V6 mark is 147°after TDC. NOTE: DO NOT
> > > > ROTATE THE ENGINE COUNTER CLOCKWISE. IF THE ENGINE IS ROTATED
> > > > BEYOND THE MARK, RETURN TO STEP 2 AND REPEAT THE PROCEDURE.
> > > > Loosen the distributor clamp bolt. With the ignition switch in
> > > > the ON position, rotate the distributor
> > >slightly
> > > > in either direction until the voltmeter switches between the
> > > > sensor transition point of 0 and 5 volts. Adjust the distributor
> > > > as close as possible to either side of this transition point and
> > > > tighten the distributor clamp bolt to 19-26 N-m (170-230
> > > > in.lbs.) .
> > > >
> > > >
> > >
> > >
> >
> > _________________________________________________________________
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>
>



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