[T3] Question about D jet idle issues 73 T3

William J catnine09 at dslextreme.com
Tue Jan 26 20:25:06 PST 2016


I cannot find any info on what additives they put in the fuel here.

William
----- Original Message ----- 
From: "Keith Park" <topnotch at nycap.rr.com>
To: <type3 at vwtype3.org>
Sent: Tuesday, January 26, 2016 7:04 PM
Subject: Re: [T3] Question about D jet idle issues 73 T3


> 89 is marginal at sea level, but if thats the best you can get, im
> surprised. you'd blow up any vintage muscle car in quick order at sea 
> level
> with 89, our premium here in NY is 93.
>
> Around town 89 is probably fine, Tram knows oregon gas better than me of
> course and its not only the octane, but the additives they use and that
> changes from state to state.  89 Nonthenal is probably better than 89 E10
> too as it will run richer.
>
> Keith
>
>
> Topnotch Restorations
> topnotch at nycap.rr.com
> http://www.a383ina68.addr.com/radiorest/main.htm
> 71 Squareback  "Hothe"
> 65 Notchback  "El Baja Rojo"
> 93 RX7  "Redstur"
> 87 Golf  "Winterat"
>
>
> -----Original Message-----
> From: type3-vwtype3.org 
> [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org]
> On Behalf Of Mike Fisher
> Sent: Tuesday, January 26, 2016 9:53 PM
> To: T3 List
> Subject: Re: [T3] Question about D jet idle issues 73 T3
>
> Tram has me running Premium only in my '69 FI/AT square, which is 89 
> octane
> in Oregon.
>
> On Tue, Jan 26, 2016 at 6:35 PM, Keith Park <topnotch at nycap.rr.com> wrote:
>
>> Stock 73 should run 89 but if you dont have the stepped heads 92min.
>> I had to completely re-jet the carbbed cars and adjust the FI
>> on the FI cars to run with todays gas, big change in gas
>> here in NY several years ago and CA is probably worse.  RUnning the
> Ethanol
>> will require the FI to run richer, unplugging the IAD temp sensor is one
>> way
>> to do that, in Hollywood you dont need the cold start system as much so
>> this
>> is acceptable.
>> the other thing you can do is bump up the Fuel pressure to say, 33 or
> 34psi
>> and see how it runs.  But MAKE SURE everything else is exactly right
> first,
>> valve, timing etc or you can screw up a system that wasnt the problem in
>> the
>>
>> first place and be in even more of a hole.
>>
>> Make sure your not trying to run the E15, that stuff is NASTY NASTY!
>>
>> Keith
>>
>>
>> Topnotch Restorations
>> topnotch at nycap.rr.com
>> http://www.a383ina68.addr.com/radiorest/main.htm
>> 71 Squareback  "Hothe"
>> 65 Notchback  "El Baja Rojo"
>> 93 RX7  "Redstur"
>> 87 Golf  "Winterat"
>>
>>
>> -----Original Message-----
>> From: type3-vwtype3.org [mailto:
>> type3-vwtype3.org-bounces at lists.vwtype3.org]
>> On Behalf Of William J
>> Sent: Tuesday, January 26, 2016 7:47 PM
>> To: type3 at vwtype3.org
>> Subject: Re: [T3] Question about D jet idle issues 73 T3
>>
>>  I live in Hollywood , CA . I was using 87 octane exxon then switched to
>> Shell 89 octane. It seemed to have a bit more power with 89 Shell yet
>> didn't
>>
>> change the idle issues. I think the ethonal is 10%
>>
>>  Off topic ,it does have oil leaks , a bit at a few push rod tube seals
> but
>> mostly on the left side might be old oil cooler seals . I wanted to clean
>> it
>>
>> all off so I can find where the leaks are. The runner hoses have oil on
> all
>> of them but that seems to be blowing up from the torque converter cooling
>> fins or just from air flow. It does not burn oil.
>>
>>  I would like to pull the runners and IAD and upper tin to replace at
> least
>> the runner hoses and cooler seals . I'm not sure if the intake gaskets 
>> can
>> be reused . I doubt they are cracked but the paper gaskets might need
>> replacing.. The old ones I tossed didn't know they would become so
>> difficult
>>
>> to locate these days. They never cracked . I used this brush on sealer
> Ford
>> used when I worked as a Tech for them for over 40 years. It was just a
> thin
>> sealer we used on gaskets. I only see runner hoses at one place now . 
>> Mine
>> ar the old German ones with the cloth covering.
>>
>>  I don't drive much and not long trips yet since this is my only car I
>> can't
>>
>> do a lot unless I can get it done in a few days.
>>
>>  William
>>
>> William
>> ----- Original Message -----
>> From: "Keith Park" <topnotch at nycap.rr.com>
>> To: <type3 at vwtype3.org>
>> Sent: Tuesday, January 26, 2016 4:19 PM
>> Subject: Re: [T3] Question about D jet idle issues 73 T3
>>
>>
>> > what gas are you running?  What part of the country, what elevation?
>> >
>> > Keith
>> >
>> >
>> > Topnotch Restorations
>> > topnotch at nycap.rr.com
>> > http://www.a383ina68.addr.com/radiorest/main.htm
>> > 71 Squareback  "Hothe"
>> > 65 Notchback  "El Baja Rojo"
>> > 93 RX7  "Redstur"
>> > 87 Golf  "Winterat"
>> >
>> > -----Original Message-----
>> > From: type3-vwtype3.org
>> > [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org]
>> > On Behalf Of William J
>> > Sent: Tuesday, January 26, 2016 5:54 PM
>> > To: type3-vwtype3.org at lists.vwtype3.org
>> > Subject: [T3] Question about D jet idle issues 73 T3
>> >
>> > Has anyone run across issues with an unstable idle that clears up with
>> the
>> > IAD temp sensor is unplugged ? It only shows up when there is no load
>> auto
>> > trans in park engine warmed up . If I give it gas from 900 RPM idle
> speed
>> > and watch the tach for lack of a better term it seems to stuggle until
> it
>> > reaches 2000 RPM.
>> >
>> > I first noticed this when I opened the tail gate with it warm and 
>> > runing
>> I
>> > could hear an erratic miss out the exhaust , it's not one cylinder .
> Also
>> > if
>> > I am driving say 30 MPH and let off the gas quick I hear a slight
> popping
>> > out the exhaust.
>> >
>> > The only thing that seems to cure this is to unplug the IAD temp sensor
> .
>> > I
>> > assume it is running lean.
>> >
>> > It has all the proper E system parts and I have not found a vacuum leak
>> so
>> > far. With the IAD temp sensor connected and driving under load it seems
>> > fine
>> > other than the popping .
>> >
>> > It has the electric AAR which does close although it s eems to take
>> longer
>> > to close that  it used to. I just changed the MAP to a NOS Bosch #  0
> 280
>> > 100 116. It holds vacuum and the resistence is within spec. Compared to
>> > the
>> > old one with the temp sensor plugged in it's better yet still stuggles
>> > with
>> > no load . My voltage is 14.3 at 1500 RPM. I don't have access to read
> the
>> > actual mixture I am just going by the way it acts.
>> >
>> > William
>> >
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>
>
> -- 
> Eugene, Oregon
>
> http://s169.photobucket.com/albums/u236/mr_bojangles500/
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