Any interest in stock eproms/memcals from 84 to 93. Just respond with year & type you're intested in (auto or manual). Thanks,
Ken
Ken
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Are there any C-4 owners on the forum? -
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anny 82 fed proms?
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Yes, 1986 w/ aluminum cylinder heads & manual transmission.Comment
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'88 35th Anniversary (McClellan & Crossed Flags)
'91 ZR-1
(plus several others, all generations except C5, all drivers)
KenComment
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'92 LT1 Z07 going for McLellan in Novi.
Not sure why I would want an EPROM and don't know what an memcal is...Comment
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What are eproms and memcals?
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Pat, those are the programs that GM installed on there computers, they were changed out when they had a driveabilty problem that could not be fixed by the routine adjustments, I replaced many when I was a GM tech. they put into the top of computers circuit board.New England chapter member, 63 Convert. 327/340- Chapter/Regional/national Top Flight, 72 coupe- chapter and regional Top Flight.Comment
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EPROM: Electronic Programmable Read Only Memory. These are the black chips with the legs, these hold the .bin file the ECU reads.
MEM-CAL. This is the blue/brown (depending on year) housing which contains the EPROM and CAL-PAK (depending on year). The CAL-PAK is the knock circuitry. Because of the CAL-PAK being VERY engine specific, you MUST have the correct MEM-CAL for your EXACT engine, once you have that you can flash any .bin file you with onto the EPROM. The CAL-PAK is hard wired into the MEM-CAL and you can't swap this easily at all. I like to replace the EPROM chips with EEPROM chips so I can erase them via USB and not a UV light (which takes hours).
Long story short, NEVER store these with the sun can reach them either
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