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700/900 Series General Forum for the Volvo 740, 760, 780, 940, 960 & S/V90 cars |
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2.3 Fuel and Ignition chipsViews : 1221 Replies : 20Users Viewing This Thread : |
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Jan 26th, 2024, 16:44 | #11 | |
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Im just about to upgrade mine with a 15G, 2 1/2 exhaust and a 3" MAF. Guess i need an intercooler too. Its already running R injectors and a IPD high cam and 5 degrees advanced cam timing :-) Gary |
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Jan 26th, 2024, 18:37 | #12 | |
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https://www.volvoforums.org.uk/showthread.php?t=336755 If yours is non A/C I can supply used Volvo pipes too |
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Jan 27th, 2024, 15:36 | #13 | |
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I was just guessing with that list! Although I would be disappointed if I didn't make 260bhp on a 15g/16t with full bolt-ons.
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The original chips can even be erased by a UV light and rewritten. They are TI SMJ27c256-20JT 200ns EPROMs with a quartz window under the sticker. There are also old 27c256 chips on ebay. AMD AM27C256, ST M27C256B, or TI TMS27C256. Lots of cheap chinese knockoffs about, particularly the ST ones which have been obsolete for a few years. Maybe they're ok? Winbond W27E257 EEPROMs are another option, they can be erased via the chip programmer. My chips aren't perfect, still runs a bit too rich up top and I might take out a couple of degrees timing out around 3000. The most time consuming part is fitting the chips, kind of a pain digging them out just to test a new chip. Think I'm going to look into making extension cables for them.
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MY97 940 CD LPT Super Sports Edition 2 Turbo, Midnight Purple, 175,000 miles. |
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Jan 29th, 2024, 19:58 | #14 | |
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I've decided to take the plunge and see if I can improve on what are some fairly good chips as whilst decent enough, I'm sure there is a little room for setting them up for my specific mod list. I've an ok understanding of the principles but nothing like first hand experience. I now have a T48 programmer and I've downloaded some files off the google drive in another thread you posted in ( https://www.volvoforums.org.uk/showthread.php?t=331084 ) for reference and have copied my chips as a reference also. Using the examples in the above thread, I can see the tables and details when loading the correct BIN and XDF as per your screenshot. When copying my chips, I see only null values on the fuel table in TunerPro. Yet the chips run the car just fine. The copy process reports as just fine on the T48 Software and beeps so say all ok. I can see the data there and not just the "FF" values shown when it starts up. What am I missing here? All I did was copy the chips. Do I need to tell it to start or end the copy at a specific point? Last edited by Mertz; Jan 29th, 2024 at 19:58. Reason: clarity |
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Jan 30th, 2024, 11:23 | #15 | |
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Its going in a 240 non AC car. Cheers |
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Jan 30th, 2024, 11:34 | #16 | |
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Jan 30th, 2024, 12:22 | #17 | |
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Jan 30th, 2024, 22:59 | #18 | |
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Same when looking at an ezk bin. There's either 'EZK 219_207_175_147 Basic A.xdf' or 'EZK 208_177_169_146_140 Basic B.xdf'. When reading/writing chips, I left all the settings alone.
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MY97 940 CD LPT Super Sports Edition 2 Turbo, Midnight Purple, 175,000 miles. Last edited by baggy798; Jan 30th, 2024 at 23:02. |
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Jan 31st, 2024, 13:31 | #19 | |
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You don't have a Phase 2 fuel Bin I could have as a solid starting point for my upgraded 240 I'm on with. You helped me with the chips its currently on but I would love a solid starting phase 3 from you if possible. Thanks Gary |
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Feb 1st, 2024, 15:36 | #20 |
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Not got one so your guess would be as good as mine. I'd say the fuelling can be perfected within 3-5 tries though.
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MY97 940 CD LPT Super Sports Edition 2 Turbo, Midnight Purple, 175,000 miles. |
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