[s-cars] installation of 034 updated RS2 injectors

Brett Dikeman brett.dikeman at gmail.com
Sun Sep 13 12:52:30 PDT 2009

On Sat, Sep 12, 2009 at 6:32 PM, Young, Steve <sryoung at trane.com> wrote:

> I looked over the scenario, and concluded he was right, as long
> as the fuel rail stays bolted down.  I suppose if the fuel rail comes
> loose, you have bigger problems than missing retaining clips.

Don't forget fuel pressure pressing against the rail, all the time,
though less, actually, at idle than with the engine off.

I ballparked it at just over 1 square inch of total surface area (I
couldn't find any specific info on injector diameter except an article
about building fuel rails which describes a .54" ID) so whatever fuel
pressure, that's how much force is against the rail.  ~40 pounds when
off, 50+ when at full boost.

To put that into real-world perspective, because 50lb doesn't sound
like much...that's the equivalent of roughly 6 gallon containers of


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