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Old 12-08-2008, 07:10 PM   #26
JR-66
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Originally Posted by JW240 View Post
a lot of stuff is possible i guess, but it is extremely hard to figure out certain stuff since Bosch gives no details about this stuff. It is all reverse-engineered. Step by step!

No need to figure out, chip has one control pin, depending where it its connected it ether reads first or the second half of the chip, you can do it pretty easily with couple of wires and a switch, this case it would be easy to
ad it on board, so no need to twist chips pin.

edit: actually its easy to do with the chip socket, no need to change layout...
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Old 12-08-2008, 07:28 PM   #27
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ah ok, good. I discussed this matter with Martijn/blabla a few times and yeah, it is possible. The software side of the EZK seems to be a tough nut to crack though.

switching map for LH is very high on top of my list, changing between E85 and normal gasoline is something that would be very nice.
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Old 12-08-2008, 07:44 PM   #28
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ah ok, good. I discussed this matter with Martijn/blabla a few times and yeah, it is possible. The software side of the EZK seems to be a tough nut to crack though.

switching map for LH is very high on top of my list, changing between E85 and normal gasoline is something that would be very nice.

There is only one map in EZK that "needs" to changed, and even Fred has shown it.
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Old 12-08-2008, 07:47 PM   #29
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great stuff , the unchippable ones are really cheap .

so would a 16vt chip work in one - i suppose thats a question for fred .
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Old 12-08-2008, 08:06 PM   #30
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I think that is one of the coolest things i have ever seen on this board.
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Old 12-08-2008, 08:17 PM   #31
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Now we just need one for the fuel ecu, e85 ahoy!
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Old 12-08-2008, 08:26 PM   #32
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Now we just need one for the fuel ecu, e85 ahoy!
Its easy, bought 27C512 chip, program it with two different bins, twist pin number one so that it wont go to socket, put wire on it, cut the wire in half, connect wires to a simple switch, put the other end of the wire in the socket pin number one. When switch is of first part of the chip is used and when its on the other part is used, simple, isn't it.

Best would be if additional socket is added, do the mod in it.

Of course it would be possible to do daughter card for like two or four chips, just some jumpers on the board and run...

Sorry for my poor English skils...
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Old 12-08-2008, 08:34 PM   #33
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Hmmm...could work with LH 2.2/EZK117?
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Old 12-08-2008, 09:03 PM   #34
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Now we just need one for the fuel ecu, e85 ahoy!
i bet you could pretty easily develop a daughter injector driver and run a switch to turn on a second set of injectors to meet the e85 fuel requirements.
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Old 12-09-2008, 09:19 AM   #35
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Originally Posted by JR-66 View Post
Its easy, bought 27C512 chip, program it with two different bins, twist pin number one so that it wont go to socket, put wire on it, cut the wire in half, connect wires to a simple switch, put the other end of the wire in the socket pin number one. When switch is of first part of the chip is used and when its on the other part is used, simple, isn't it.

Best would be if additional socket is added, do the mod in it.

Of course it would be possible to do daughter card for like two or four chips, just some jumpers on the board and run...

Sorry for my poor English skils...
Yup, it sure isn’t very hard to come up with some kind of map switching solution. Unfortunately the EZK box isn’t exactly spacey inside. Finding room for an extra IC socket wont be easy.

However, the “512kbit eprom solution” is not something I would recommend to everyone. One should have the tools and knowledge to merge the maps together, and burn them on an eprom. Of course this isn’t rocket science or something, but I think this should all be kept as simple as possible.

Luckily, the LH box has a lot more space available, and can easily be upgraded with a daughterboard hosting up to 4 eproms or so.

LPG, E85, Petrol, Diesel..
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Old 12-09-2008, 09:26 AM   #36
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Yup, it sure isn’t very hard to come up with some kind of map switching solution. Unfortunately the EZK box isn’t exactly spacey inside. Finding room for an extra IC socket wont be easy.

However, the “512kbit eprom solution” is not something I would recommend to everyone. One should have the tools and knowledge to merge the maps together, and burn them on an eprom. Of course this isn’t rocket science or something, but I think this should all be kept as simple as possible.

Luckily, the LH box has a lot more space available, and can easily be upgraded with a daughterboard hosting up to 4 eproms or so.

LPG, E85, Petrol, Diesel..
If you are interested I could make you some test file for that "EZK 512mod"

May take some time since I'm busy right now, chatting in the internet...

br JR
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Old 12-09-2008, 09:26 AM   #37
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i bet you could pretty easily develop a daughter injector driver and run a switch to turn on a second set of injectors to meet the e85 fuel requirements.
Although I could create some kind of buffer stage so one could run an additional bank of injectors, I do think it’s both easier and cheaper to just run 2 different chips combined with “enough injector” to support E85. The first chip should be optimized for E85. The second chip should contain scaled down values, so that “big” injectors can be used when running on petrol.
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Old 12-09-2008, 09:27 AM   #38
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Now we just need one for the fuel ecu, e85 ahoy!
Last summer you said you didn't want to have wood chips in your fuel when i was nagging you about running E85...
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Old 12-09-2008, 09:46 AM   #39
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i am surprised this had not been done sooner...
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Old 12-09-2008, 10:29 AM   #40
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Last summer you said you didn't want to have wood chips in your fuel when i was nagging you about running E85...
Nope, I don't want corn in my fuel tank. Wood chips and paper pulp are fine with me
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Old 12-09-2008, 10:45 AM   #41
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Nope, I don't want corn in my fuel tank. Wood chips and paper pulp are fine with me
ah ok my bad. I should save chatlogs to prevent occasions like this

installed it yet?
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Old 12-09-2008, 11:29 AM   #42
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So when will these be available ?
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Old 12-09-2008, 01:13 PM   #43
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i am surprised this had not been done sooner...
It had to be done by someone not connected to a business, or else it would be too expensive. And we all know how willing Turbobricks members are to cough up a lot of cash...

Or else we (Hi-Tuning) would have sold them instead.
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Old 12-09-2008, 01:14 PM   #44
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Hmmm...could work with LH 2.2/EZK117?
LH2.2 yes, but not with EZ117K.
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Old 12-09-2008, 02:18 PM   #45
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Sorry for possible off-topic, but is it not (economically) possible to make a mod to alter the maps with EZ-117K/118K (117 with a vacuum sensor)
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Old 12-09-2008, 02:24 PM   #46
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Sorry for possible off-topic, but is it not (economically) possible to make a mod to alter the maps with EZ-117K/118K (117 with a vacuum sensor)
It will take some explaining, but to keep it short:

The EZ117K does not use a normal chip to store the data and maps. It stores it in the processor. You can however add an external EPROM, but then you also need to know what the internal software layout looks like.

There are two types of EZ117K (if we are talking LH2.2 here). One that can be read, and one that can't be read. One with a CPU from Motorola, and one from Intel. A map for one of them won't work with the other one (I think).

And to add an EPROM to the EZ117K is not very hard (just one step harder than putting a chip socket and components in an LH2.2 ECU), but it involves a lot of other work first.

We have maps, but not an easy way to use them in customers cars. Most people choose to go to LH2.4 or aftermarket EMS instead of using that old system.
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Old 12-09-2008, 03:08 PM   #47
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It had to be done by someone not connected to a business, or else it would be too expensive. And we all know how willing Turbobricks members are to cough up a lot of cash...

Or else we (Hi-Tuning) would have sold them instead.


If you held it together with zip ties and JB weld instead of solder and an aluminum box you could have come in under budget and it would have been tbricker friendly. Win-win in my eyes
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Old 12-09-2008, 04:56 PM   #48
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Martijn

What does it take to get this daughterboard installed? And do you already have an idea about what the price could be? And when will those be available?

Sorry for all those questions but I would like to get my car chipped before we go to the track again. JW told me about going to the track with Janspeed perhaps you will come too?

Greetz Joris
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Old 12-09-2008, 04:58 PM   #49
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yeah I'm confused -if you do this to an ezk116 and chip it - will it work on LH2.4?
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Old 12-09-2008, 05:10 PM   #50
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yeah I'm confused -if you do this to an ezk116 and chip it - will it work on LH2.4?
Yes, the EZ116K is a part of the LH2.4 system.
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