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July 25th, 2003, 02:26 PM
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getting ready to swap ECM
I pulled out the ECM and the chip has "RN" on the top of it. when i pulled the chip out the part# is 9004U.
I'm curious to know if this is stock. I didn't expect to see the "RN" on the top of the plastic casing of the chip. thanks -Brad-
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'85 GN, TurboLink 3.02,new stock turbo, 204-214 cam, .030 over,walbro 340 ,afpr,spearco f/m,K&N,2 1/2 hooker exhaust, no cat ,deltagate, VDO vac/boost guage, oil pressure, water temp, tach.     
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July 26th, 2003, 03:57 AM
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Nope, not stock. From the part # 9004U...looks to be a Kenne Bell ultimate chip..thus the U after the 9004. Some like it some don't. As far as the RN on the casing the chip was in...that is who manufactures the chip carrier...the casing
 HTH
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July 26th, 2003, 09:42 AM
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well that is interesting! so that means i've been running around with a '85 ECM, this kenne bell chip, and the rest of the sensor's have not been modified i.e. the MAT, MAF, etc. to the '87.
with the mods below, and when I upgrade the sensors to finish the conversion.....I can cross my fingers and hope that my car will run great then right?
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'85 GN, TurboLink 3.02,new stock turbo, 204-214 cam, .030 over,walbro 340 ,afpr,spearco f/m,K&N,2 1/2 hooker exhaust, no cat ,deltagate, VDO vac/boost guage, oil pressure, water temp, tach.
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July 27th, 2003, 08:24 AM
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What's the part number on your ecm? With the mods in your sig I would think the ecm swap had already been done.
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July 27th, 2003, 05:07 PM
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I don't know man....I've been cleaning up mess after mess with this car since I've had it.
anyway here is the part# of the ecm I just took out: -not sure if this helps but its a remanufactured ECM part number 7-6459 calibration code 0997IM this is the ECM that the Kenne bell chip was in there is a number stamped on the inside of the ECM cover that reads 16026927
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'85 GN, TurboLink 3.02,new stock turbo, 204-214 cam, .030 over,walbro 340 ,afpr,spearco f/m,K&N,2 1/2 hooker exhaust, no cat ,deltagate, VDO vac/boost guage, oil pressure, water temp, tach. Last edited by YNOVATE : July 27th, 2003 at 05:09 PM.
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July 28th, 2003, 12:09 AM
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That ecm is questionable. Not sure of the exact part number for the 84-85 ecm....but it is not even close to the 86-87. I would start there....another ecm 86-87 preferably. Part number you need is 1227148 and they can be found at the salvage yards or from this board. You will also need the correct calpak. Here is a link to the swap to better help.ecm swap
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