5.0 vs 5.7 MEMCAL
05-24-2012, 09:26 PM
#1
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Car: 1989 GTA
Engine: 5.7
5.0 vs 5.7 MEMCAL
I recently bought a 89 GTA that someone has put a differant ECM in without changing the MEMCAL, apparently it was out of 89 S-10 2.5. I have found a MEMCAL for an 89 5.0, so I know the EPROM is wrong, but I do have a EPROM on a moates adapter ready to go, but before I buy the 305 chip, I was wondering if the CALPAK portion of it would work on my 350. Thanks
05-25-2012, 10:16 AM
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Car: 1985 IROC-Z28
Engine: LB9
Transmission: 700R4
Axle/Gears: 3.73
Re: 5.0 vs 5.7 MEMCAL
since the knock filter is external to these ECMs, i would think it will be fine unless you get thrown into limp-home mode.
05-25-2012, 02:10 PM
#3
Re: 5.0 vs 5.7 MEMCAL
The netress and the i/0 buffer are the same so Its just a matter of using the correct .bin in 89 the limp home mode netress war altered but even a 86-88 tpi maf memcal will work with the correct .bin
https://www.thirdgen.org/forums/dfi-...0-ecm-box.html
https://www.thirdgen.org/forums/dfi-...0-ecm-box.html
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