[T3] 72 FI or compatible
Jim Adney
jadney at vwtype3.org
Sat Oct 1 13:03:30 PDT 2011
On 1 Oct 2011 at 11:17, Daniel K. Du Vall wrote:
> So guessing form the response there is no one that has the intake parts
> excluding the electronics of a 72 or later FI system?
I have all the parts, inclusive or exclusive of the electronics.
> I have noticed there might be two different size Throttle bodies is this
> true and what did the later models have?
The bore diameter is the same for all years, but the nose is longer
starting in '72. This requires a different rubber elbow for the air
cleaner. If you're not using the Bosch electronics, other than
perhaps the injectors, which I would recommend, then you can use
whichever year IAD fits your needs. The early ones take the more
common elbow and lack some extra fittings that you probably don't
need anyway (EGR, vac retard port, throttle dashpot, etc.)
You'll probably want to use a '70-1 MT IAD. It will have ports for an
intake air temp sensor and a cold start valve (which you will
probably block off.)
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Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
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