[T3] ECU question .

[William J]

Thanks . One thing . I didn't have any trouble mounting the single vacuum 
can on the 72 dual advance dist and didn't modify it. The Map I have that 
was given to me only has the Bosch number on it , it is the 116 . How can 
the ECU and pressure sensor have the same VW #'s?
----- Original Message ----- 
From: "Jim Adney" <jadney at VWType3.org>
To: <type3 at vwtype3.org>
Sent: Saturday, July 09, 2016 8:51 AM
Subject: Re: [T3] ECU question .


> Here's what the US got in '72 and '73:
>
> 1972 Type 3s
>
> Brain:
> VW 311 906 021 E / Bosch 0 280 000 028
> Pressure sensor:
> VW 311 906 021 E / Bosch 0 280 100 106
> Distributor:
> MT: VW 311 905 205 AE / Bosch 0 231 172 009 (dual vac can)
> AT: VW 311 905 205 AF / Bosch 0 231 172 011 (dual vac can)
>
> 1973 Type 3s
>
> Brain:
> VW 311 906 021 E / Bosch 0 280 000 048
> Pressure Sensor:
> VW 311 906 021 E / Bosch 0 280 100 116
> Distributor:
> MT: VW 311 905 205 AG / Bosch 0 231 163 027 (single vac can)
> AT: VW 311 905 205 AH / Bosch 0 231 163 029 (single vac can)
>
> The dual vac can has different mounting holes, so that you can't
> mount it on anything other than an AE or AF. And you can't mount the
> single can on an AE or AF body. (Of course, you CAN modify the body
> or the can and MAKE these fit, but Bosch made this difficult on
> purpose. This was probably an EPA requirement.)
>
> -- 
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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