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I have a Pro Flo 3500 setup running in my 91 RS Camaro, runs pretty dang good but I know the engine I built for it has a lot more to give if swap to a bigger cam. I just so happen to have a cam that is bigger, Edelbrock p/n 2204. Healthy bumpstick, should be a decent jump in power. The 3511 eprom works wonderful with the stock-ish cam at the moment, but the 2204 cam will require something different; if we jump over to https://forums.edelbrock.com/forum/pro-flo-efi/pro-flo/26065-pro-flo-chip-numbers we see a list of eprom chips and 3514 will fit the bill (2204 cam is 234 deg duration @ 0.050"). A few threads from the last year or so indicated Edelbrock was still making the chips, so I gave them a call on Nov. 1 2021, talked to a fellow who informed me that when Edelbrock moved out of California, they stopped making the chips. Seems like a combination of bad luck and bad timing, but that's the way it is some days.
Now just because Edelbrock doesn't make them anymore doesn't mean that they can't be made. The chips are a 27C256 according to http://tunercat.com/tnr_desc/ecm_sup.html#edelbrock, I would imagine if I peeled back the sticker on my chip it would have that printed on it. 27C256 chips are available from amazon.com and a myriad of electronics retailers, and there are also alternatives like the 27SF512 chip as a drop-in replacement (check out http://www.moates.net/chips-and-sockets-c-26.html) and chip burners are not all that expensive in the grand scheme of things (take a look at http://www.moates.net/burn2-chip-programmer-p-197.html?cPath=94 [*note* the chip burner I linked will read 27C256 chips, but does not write them. It can write 27SF512 chips]). I myself already have items like this in my toolbox so I'm half way there already, right?
Here's where it gets complicated (maybe). So there's all these zeros and ones on these chips, but they have to be in the correct order for everything to work as planned. What I need is a .bin file. Somebody somewhere in the world has a 3514 chip, either inside an ECM or sitting in a box somewhere. All I need is to set it in the chip reader, click the copy button and mere moments later, I have the file I need. I burn it onto a blank chip, write "3514" with a sharpie and I'm all set.
If anyone out there has a 3514 chip they're looking to sell, I'm ready to buy it, skip the whole chip burning thing and go for an original. Alternatively, does anyone have one I can make a copy of? Or maybe we will all have a stroke of good fortune and somebody at Edelbrock has all the .bin files on a flash drive somewhere.
I have done some searching, but all I've turned up are files for datastream definition (.adx, only really useful if you have a cable to go to your laptop) and .bin definitions that aren't what I need (.def, only useful if I have a .bin I want to make changes to) and those are for Magnetti Marelli ECMs that are similar but not the exact part number in the Pro Flo 3500 kit. Google searches show retailers have listings for the 3514 chips, but it's always a "ships from manufacturer" deal, eBay searches are turning up nothin'.
tl;dr I need help obtaining an unobtainable eprom chip
Now just because Edelbrock doesn't make them anymore doesn't mean that they can't be made. The chips are a 27C256 according to http://tunercat.com/tnr_desc/ecm_sup.html#edelbrock, I would imagine if I peeled back the sticker on my chip it would have that printed on it. 27C256 chips are available from amazon.com and a myriad of electronics retailers, and there are also alternatives like the 27SF512 chip as a drop-in replacement (check out http://www.moates.net/chips-and-sockets-c-26.html) and chip burners are not all that expensive in the grand scheme of things (take a look at http://www.moates.net/burn2-chip-programmer-p-197.html?cPath=94 [*note* the chip burner I linked will read 27C256 chips, but does not write them. It can write 27SF512 chips]). I myself already have items like this in my toolbox so I'm half way there already, right?
Here's where it gets complicated (maybe). So there's all these zeros and ones on these chips, but they have to be in the correct order for everything to work as planned. What I need is a .bin file. Somebody somewhere in the world has a 3514 chip, either inside an ECM or sitting in a box somewhere. All I need is to set it in the chip reader, click the copy button and mere moments later, I have the file I need. I burn it onto a blank chip, write "3514" with a sharpie and I'm all set.
If anyone out there has a 3514 chip they're looking to sell, I'm ready to buy it, skip the whole chip burning thing and go for an original. Alternatively, does anyone have one I can make a copy of? Or maybe we will all have a stroke of good fortune and somebody at Edelbrock has all the .bin files on a flash drive somewhere.
I have done some searching, but all I've turned up are files for datastream definition (.adx, only really useful if you have a cable to go to your laptop) and .bin definitions that aren't what I need (.def, only useful if I have a .bin I want to make changes to) and those are for Magnetti Marelli ECMs that are similar but not the exact part number in the Pro Flo 3500 kit. Google searches show retailers have listings for the 3514 chips, but it's always a "ships from manufacturer" deal, eBay searches are turning up nothin'.
tl;dr I need help obtaining an unobtainable eprom chip
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