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.–
PEXJC
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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.
If you’re talking about the PreHE injectors it’s unlikely you will find a substitute. Definitely can’t use the HEs. Maybe SD Faircloth will know of something, but if he does he hasn’t told me about them!
Ed Sowell
'76 XJ-S coupe, red
http://www.efsowell.us
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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
Sowells’ comment.
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.
SD–
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.
–
www.jaguarfuelinjectorservice.com
Jacksonville, Florida, United States
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Standard Motor Products (SMP) makes a new replacement
aftermarket injector to replace the pre-HE V12 injector.
Part # FJ516.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.So the choices available are… buy a set of 12 from an
aftermarket supplier, and have them flow tested before
installation…
Why couldn’t you just buy a set of 12 of these SMP injectors and slap
'em in? I mean, yeah, flow testing them would be ideal, but the D
Jetronic wasn’t known for precision fuelling anyway.
– Kirbert
Visit the Jag Lovers homepage at http://www.jag-lovers.org for exciting services and resources including Photo Albums, Event Diary / Calendar, On Line Books and more !On 22 Jun 2015 at 7:49, SD Faircloth wrote:
In reply to a message from Kirbert sent Mon 22 Jun 2015:
Kirby,
I would suggest your statement answered your question. If
it is true ? that the D Jetronic fueling is not known for
precision fueling, then it is all the more reason to have
injectors that flow properly.
There are a multitude of posters here who discuss the
merits or lack thereof, of different brands of spark
plugs, and checking/readjusting the gap of new plugs prior
to fitting. In addition to the merits, or again lack
thereof of plug indexing.
The original poster, IIRC, had 20+ pre-HE OEM injectors to
choose from. Got 8-10 or so that may be suitable ? Given
the time required to get to and remove injectors, remove
the hoses, refit hoses, refit the injectors onto the rail,
and refit onto the engine, does anyone want to do it twice
?
SD–
The original message included these comments:
Why couldn’t you just buy a set of 12 of these SMP injectors and slap
'em in? I mean, yeah, flow testing them would be ideal, but the D
Jetronic wasn’t known for precision fuelling anyway.
–
www.jaguarfuelinjectorservice.com
Jacksonville, Florida, United States
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In reply to a message from SD Faircloth sent Tue 23 Jun 2015:
SD,
When you test the SMP for quality will you get the info to
us?
Dan
94 coupe–
The original message included these comments:
the time required to get to and remove injectors, remove
the hoses, refit hoses, refit the injectors onto the rail,
and refit onto the engine, does anyone want to do it twice
–
DanS
columbus ga. usa, United States
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In reply to a message from SD Faircloth sent Mon 22 Jun 2015:
How about keeping them in a sealed jar full of …?
WD40?
Light oil?
Kerosene?
Gas?
Paul B
Series 3 E-type, about to convert to EFI using injectors
from S3 XJ12.–
The original message included these comments:
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.
–
TriQpilot
cheshire, United Kingdom
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