In reply to a message from PEXJC sent Sun 21 Jun 2015:
NO injector is made to sit dry for extended periods,
regardless of the fuel type, or whether pintle style, disc
or ball. Sitting dry and not used, the injector
internally will be subject to air entering internally.
Air has moisture…moisture equals rust…rust equals a
non-functional injector, or at best one that operates but
leaks and/or has off spec flow. Does anyone have 40 year
old spark plugs, tires, radiator hoses, or 40 year old
anti-freeze, or fuel, in their vehicle ?
Standard Motor Products (SMP) makes a new replacement
aftermarket injector to replace the pre-HE V12 injector.
Part # FJ516. I have nine new in my shop…yet to be flow
tested, so I don’t know if the flows match or are ‘‘close
enough’’ to suggest them as replacements. To reply to Ed
Every one in the injection supply trade will recommend DO
NOT mix mfg brands, due to flow rate variations, and spray
pattern variation that is likely from the OEM product.
As far as I know, Bosch no longer manufactures the pre-HE
injector. They have moved on to newer and a more
profitable operation. So the choices available are get
your existing units cleaned up and flow tested and cross
your fingers and toes, or buy a set of 12 from an
aftermarket supplier, and have them flow tested before
installation, or do some due diligence and find some
reconditioned Bosch units.
And a Happy Belated Fathers Day to all you Dads.
The original message included these comments:
Have anybody tried another type or brand of injectors? The
pintle type injectors do not take kindly to sitting for
long periods and even less to modern fuels.
Jacksonville, Florida, United States
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