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Gtir Motorsport club » Tech room » Ecu related section » JAM ecu

JAM ecu

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1 JAM ecu on 18th November 2015, 9:44 am

Stu

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Anyone have any info on Jam racing ecu's?
I have just bought this one.


I have always thought they are similarly mapped like the mines ecu in Japan.
I have done a quick search but can't really find much info.


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2 Re: JAM ecu on 18th November 2015, 9:52 am

splmum

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Did you look up just JAM not much.

More when you put in JAM Super Tuning System.

Fair bit on Toyota's and some RX7 Mazda.

So, should be reasonable.

3 Re: JAM ecu on 18th November 2015, 10:03 am

Stu

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Thanks mate.
I did only search JAM.

I will add the rest to my search Smile


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4 Re: JAM ecu on 18th November 2015, 3:04 pm

GTI-R US

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Stu most of the generically mapped ecu's are very similar as you say.
As splmum says above they were widely used on Toyotas

From my findings on these they are generically mapped with stock items fitted and they work far better that way. Most are mapped to between 1.1 & 1.2bar but we recently ran one at 1.45bar and fuelling was absolutely spot on and knock levels low, infact far better than many custom maps ibe seen.
If you run one turn base timing back a tad to 18 degrees then get the fuelling, knock levels checked on a Dyno as the cars are so different with age and what suits one car may not suit another so better to be safe than sorry.
If you have an induction kit and exhaust fitted then they work very well but they do not like items such as atmospheric dv's, fmic kits for some reason (makes the afr's rich at low to mid range).

Price wise.......going by Mines which are one of the leading makes along with Blitz they sell between £150-£300 so I would put that around £150 mark but a gamble until you can see what car runs like and assuming it all works ok as some cars don't like them at all and run like a bag of shite lol


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5 Re: JAM ecu on 18th November 2015, 4:27 pm

wrc

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Just like bob said I would imagine stu.

Sounds like they have a good map on with timing advanced etc, should see you right. Pop it open and see if the chips have been epoxied over - If not it might even be able to be mapped.

If your stock ecu is now redundant mate I will happily buy it off you mate as its another part I need.

6 Re: JAM ecu on 18th November 2015, 4:44 pm

Stu

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Okay thanks Guys.
I will be sticking it up for sale as soon as it arrives.
Just wanted some information on them so I could pass it on to potential buyers Smile


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