[T3] 72 VW Fastback idlle

Dennis Stiefel dlstiefel at dekalbk12.org
Thu May 21 16:59:38 PDT 2015

Jim if you will remember I have a 73 distributor I got from you. The original 72 distributor was too far gone for you to rebuild after setting up 30 years.  So only one  vacuum hose. 
It runs well with this set up except for slow idle after it gets up to operating temp. It will almost stall some times and occasionally the oil light will flicker during this slow idle

Sent from my iPhone

> On May 21, 2015, at 3:21 PM, Jim Adney <jadney at vwtype3.org> wrote:
>> On 21 May 2015 at 9:46, Dave Pallo wrote:
>> Keep in mind that with our 72's - you MUST have
>> the 72 dizzy with dual vacuum can properly installed and functioning in
>> order to achieve correct idle.  If you do not have the correct and
>> functioning '72 dizzy; your idle speed will be a compromise of engine timing
>> in order to achieve a correct idle speed.
> Dave's last point is especially important. '72 was the only FI year 
> to get the dual vacuum adv/retard distributor, and ONLY the Bentley 
> manual gives the correct tuneup instructions for that year. It's very 
> common for the vac retard to be broken, so nothing works right until 
> this is fixed. Unfortunately, it's expensive to replace.  
> When you read the Bentley, note that the very first thing they tell 
> you to do is check the vac retard to verify that it's working.
> And, yes, if your dist is running into the generator, you need to 
> pull the dist drive shaft and back it off one tooth. Don't do this 
> until you verify that the vac retard is working, however, because you 
> may just end up undoing this.
> -- 
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
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