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Re: [T3] Injector interchangability?


On 23 Nov 2003 at 13:20, Todd Heimer wrote:

> Is there a difference in fuel delivery (volume) between the black injectors 0
> 280 150 001 and the yellow 0 280 150 007 ? 
> 
> I replaced a pair of leaky black injectors on my '68 with two yellow ones i
> had on hand.  I'm hoping this is not a bad thing. 

I'm not sure.

68-9 got the 001s while everything switched over to the 007s in '70. At that 
time the 007s also became the proper replacement for the 68-9s. There was 
always the rumor that the 007s were either richer or leaner (depending on the 
rumor) than the 001s, but I've never seen anything I trusted on this.  

I don't think VW ever said that you needed to replace all 4 if you changed to 
007s, so I suspect there is really no difference in fuel delivery, which leads 
to the question of what WAS the difference?  

I don't know. I've taken both kinds apart and the internal construction is the 
same. If there's a difference, it's pretty subtle. Of course it might still be 
a slight change in fuel delivery, which would WOULD be a very subtle change.

Because I've never been sure, I've always tried to stick to one or the other on 
a given engine, just to be safe. I've run both pre 70 and post 70 engines on 
both styles, however, and they both seem to work well.   

-- 
Jim Adney
jadney@vwtype3.org
Madison, WI 53711-3054
USA

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