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Ya know,,, I was just thinking of WHY they are different... and I think I may know. The original BLACK injectors used in the 68-9 cars may have had a slightly bigger orifice and therefore needed a lower pressure, then as Bosch tweaked things out they introduced the yellow injectors in 70 with the higher pressure for perhaps a better spray pattern. If this is the case then most of us should be running 30 now. This sound likely? Jim? Russ? others? Keith > On 8 Jun 2003 at 4:16, Chris J Valade wrote: > > > 30psi? I thought 28psi is what I wanted? > > 68-9 were 28, 70-3 was 30. > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org