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InläggPostat: fre 07-06-01 08:53 
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Volvo-Berti skrev:
*shout: does anyone have injectors of a Porsche 924? :mrgreen:


Sure, this scrapyard has them http://tinyurl.com/2x6zjl 800 SEK, ca 80 euro

If Bosch 0437502013 is the right number you can buy new ones here on ebay: http://tinyurl.com/269gmb

Bild

/Aryan


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InläggPostat: fre 07-06-01 09:15 
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Is this a K-jet Volvo?
There are smarter ways to convert a K(E(III))-jet than replacing the injectors!
For instance adjust the EHA if any, modify the varm-up valve, a weight on the metering disc or the lever, adjusting the individual regulation valves just below the outlet to the invectors.

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The risk of overheating due to too lean mixture when running a un-converted gasoline car on E85 is not fully investigated.
There might be the case that the car stops to work on higher revs and in those cases there is ofcourse no risk of overheating any parts.
And even if there is a function but with small output, there is a possibility that the cooling effects of ethanol will anywayt protect engineparts and turbo from overheating.
I think that the case we have heard of is always on cars with heavy overcharging, not std cars.
So you shouldn't worry too much.

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InläggPostat: fre 07-06-01 10:26 
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no, it's a L-Jetronic. there is no way to adjust anything :roll:

the injectors which fit to my engine are Bosch 0280150431 from Saab (used in nearly all engines) with 11% higher flow, or 0280150984 or 0280150803 from Porsche with 15 resp. 22%

in my hometown there is a scrap yard. the guys there a specialized on Saab :wink: so i have a good chance to get there my injectors for only 10€ each (approx.) :D

and then my Volvo should run on E70 minimum without problems

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http://www.ethanol-tanken.com
http://www.spritmonitor.de/de/detailansicht[url]/349366.html[/url]


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A bit confused here..:Bosch 0437502013 is K(E)-jet injectors, they don't fit a L-jet.
But these was perhaps for another car?
If you have a L-jetronic you can raise the fuelpressure, swap to larger injectors or mount a flexitune or similar.
If you want to convert a K(E)-jet you should not switch the injectors.

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InläggPostat: fre 07-06-01 10:59 
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hm, Bosch 0437502013? i do not know them.

my car is a L-jetronic with Bosch 0280150804 injectors

you can find injector part numbers and flow rates in this excel-sheet

http://home.online.no/~niande/diverse/a ... hdyser.xls

or the same content, but a pdf-file:

http://www.nord-com.net/stoni/docs/inje ... _flows.pdf

as i wrote there is no option to raise the fuel pressure, and mounting a flextune (or similar) can cause the lost the "general operating licence (german: ABE)". actually there are no systems in the german market that support the ABE.

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best wishes from here :)
Volvo V70 II on 30% E85 (just for starts) and LPG
Berti
http://www.ethanol-tanken.com
http://www.spritmonitor.de/de/detailansicht[url]/349366.html[/url]


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Volvo-Berti skrev:
hm, Bosch 0437502013? i do not know them.

my car is a L-jetronic with Bosch 0280150804 injectors

you can find injector part numbers and flow rates in this excel-sheet

http://home.online.no/~niande/diverse/a ... hdyser.xls

or the same content, but a pdf-file:

http://www.nord-com.net/stoni/docs/inje ... _flows.pdf

as i wrote there is no option to raise the fuel pressure, and mounting a flextune (or similar) can cause the lost the "general operating licence (german: ABE)". actually there are no systems in the german market that support the ABE.


Hmmm according to http://www.witchhunter.com/flowdatapix/b0280150804.jpg the flow is 312 cc.
And an increase of say 15% would mean a flow of 312x1.15= 360 cc
The SAAB gives 350 cc according http://www.witchhunter.com/flowdatapix/b0280150431.jpg so it's quite close.
But note that the SAAB injector are 12 Ohm , not 2.2 Ohm.

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yes, the Saab injector is at 12 Ohm, but that is not a problem, as far as i know.

a member of the German volvo-forum has installed bigger injectors, from an Audi RS 2, and he have no problems in any way.

the difference between the data on your side and the list is based on the solvent they used.
your data relate to regular fuel, the data list is based on n-Heptane :wink:

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best wishes from here :)
Volvo V70 II on 30% E85 (just for starts) and LPG
Berti
http://www.ethanol-tanken.com
http://www.spritmonitor.de/de/detailansicht[url]/349366.html[/url]


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no, it's a L-Jetronic. there is no way to adjust anything :roll:


Of coarse there is, just add a Malpassi in your return fuel line and raise the fuelpressure and the fuel flow of your stock injectors will increase with the square roo of the the increase in pressure. In theory you would need to almost double the pressure to get 1,4 times the flow, square root 1,96 = 1,4 but in reality 50% more pressure will give you 22% more flow (like the Porsche injectors) and will be sufficient to run on E85, the long term fuel map takes care of the rest.

The other sollution I sugested, a piggyback system like feltek or Flexitune will also prolong the injector timing enough to run on E85 unless you need full throttle power a max RPM where the you might or run into a 100% dutycycle limitation that is a very good conversion method as well.

/Aryan


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as i wrote there is no option to raise the fuel pressure, and mounting a flextune (or similar) can cause the lost the "general operating licence (german: ABE)". actually there are no systems in the german market that support the ABE.


I do not know much about the "Allgemeinen Betriebserlaubnis (ABE)" but I'd suspect that any conversion method: raised pressure, piggyback or larger injectors would not be covered by the ABE.

Or is that not correct?

/Aryan


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I guess the question is what is checked and not every year...
A piggyback is easier to find than a larger injector..

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Yes that is true allthough the Porsche injectors ar green, and for example the flexitune is very small and can easily be hidden somewhere near (inside??) the ECU box.

/Aryan


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aryan skrev:
Yes that is true allthough the Porsche injectors ar green, and for example the flexitune is very small and can easily be hidden somewhere near (inside??) the ECU box.

/Aryan


Why are you talking about this Porsche CIS injectors (0437502013)?
The car is a Volvo L-jet?

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some questions to be answered, i see :)

explanation: ABE is a document which declares that the car compares with the german regulations.

1.
Citat:
I do not know much about the "Allgemeinen Betriebserlaubnis (ABE)" but I'd suspect that any conversion method: raised pressure, piggyback or larger injectors would not be covered by the ABE.

Or is that not correct?

you are right in the first and second point, both will suspend the ABE, because the parts themselves especially the box) have no ABE or make changings to the car which can change the cars property.

at point three i am not sure, but i got some information that this is no problem, if the other injectors do not make the car running out of the exhaust values and let the car get not more power :wink:

2.
Citat:
I guess the question is what is checked and not every year...
A piggyback is easier to find than a larger injector..

yeah, the official checks are every 2 years, and the engine's exhaust will be tested at this check. if the controller find such a box without its ABE, the whole car will have no ABE any longer!! :evil:

3. as i wrote my Volvo is a L-Jet

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best wishes from here :)
Volvo V70 II on 30% E85 (just for starts) and LPG
Berti
http://www.ethanol-tanken.com
http://www.spritmonitor.de/de/detailansicht[url]/349366.html[/url]


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Blev medlem: tis 06-12-19 18:42
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Volvo-Berti skrev:
yes, the Saab injector is at 12 Ohm, but that is not a problem, as far as i know.


If you install injectors with high resistance (12-16 ohms) on a Volvo with LH-Jetronic which has used low resistance injectors (2-3 ohms), then you have to bypass the ballast resistor (vorschaltwiderstand in german) which is located in the left front corner of the engine compartment. And if you then revert to low resistance injectors, DO NOT forget to remove the bypass connection, in other case the transistor in the output stage of the ECU will fail a few seconds after the first start.

If high-resistance injectors are used with the ballast resistor, then it might work for a while. But if the battery voltage one day is lower than normal during a cold start, then the injectors will not open at all.
A friend tried this a few years ago. One injector on his Volvo 940 (engine B200FT) was leaking and he had changed them for Saab injectors which he had in a junk box. It worked well for a month or so, but then one day the car refused to start. After some troubleshooting by telephone, i suggested him to short the ballast resistor and then everything worked well until the original injector set had been cleaned and reinstalled. Then he forgot to remove the bypass cables and accordingly had to replace the output transistor of the ECU (a very common type, BDX53F, is used in both LH 2.2, LH 2.4 and Motronic 4.1 although the original transistor might have some strange marking instead).

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