[T3] Crate Distributor

Bobsnotch at aol.com Bobsnotch at aol.com
Wed Jul 11 20:49:25 PDT 2012


 
In a message dated 7/11/2012 10:12:07 P.M. Eastern Daylight Time,  
topnotch at nycap.rr.com writes:

-----Original Message-----
From:  type3-vwtype3.org-bounces at lists.vwtype3.org
[mailto:type3-vwtype3.org-bounces at lists.vwtype3.org]  On Behalf Of Dave Hall
Sent: Wednesday, July 11, 2012 7:10 AM
To:  type3 at vwtype3.org
Subject: Re: [T3] Crate Distributor

Our 1964 1500S  was unhappy with anything less than 100 Octane back when 
new,
and even then  some brands didn't work without some knocking, but I guess
octane numbers  vary depending on how it's measured. In the UK we have a
super grade  labelled 98 RON, but I think the US ratings are based on the
average of the  MON (motor octane rating) and RON (Research Octane Rating),
so your USA 93  is probably the same.

The high compression gave greater efficiency but  more sensitivity to fuel
quality.

The timing specification is 10 deg  BTDC (middle mark of the 3) at 700rpm,
and the advice from VW is to pull  off two spark plug leads to slow it down,
as the advance begins below  normal idle speed.  Maybe you've a bit more
advance than is  correct.  See http://home.clara.net/hallvw/type3ign.htm
which was  extracted from a VW maintenance manual.



The distributor Dave is mentioning above, is the same one I have for my 64  
T-34 (1500S distributor). It's a ZV/JCU 4 R 3 . This IS a 64-65 1500S only  
distributor. It's an adjustable vac advance AND mechanical distributor. 
You'll  need to look in the Samba classifieds (not cheap), or contact Glenn 
Ring (out of  NY for 1(really not cheap)). I have 1 for my 64 (it's OE to the 
car), but it  doesn't work (even with new parts), as there's something going 
on with it. Russ  rebuilt it, but I never had it in use until after he left 
us.So I  don't know what's going on with it. That's why I went with the 
034(SVDA) in it.  I still have it here, and I might send it to Glenn.
 
Yes, Russ told me the same thing (unplug 2 plug wires to set the timing  
with it), but using the 034 I don't have to.The blue Bentley calls this out as 
 well (using the 1500S only distributor). It IS a high octane (really good 
fuel)  only distributor though.
 
The low compression 1500 got a 311 905 205 E , with the  F or  N being used 
on 66 and later 1600's.These were all vac only units.
 
Bob 65 Notch  S with sunroof and IRS (Krusty)
64 T-34 Ghia  (Wolfie)
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