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Mixing Memcal PROM and Calpack Chips

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Old Dec 21, 2024 | 11:13 AM
  #1  
Mr555's Avatar
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Mixing Memcal PROM and Calpack Chips

The car is a 1988 IROC 1227165 - LB9 - 5 Speed - AKFW

Trying to piece together a Memcal with a ZIF socket, from parts on hand, to avoid buying anything.

I had a 1986 AUM LB9 Auto Memcal that had been ruined on the PROM side. Calpack side is good. And a 1987 AMJW LN8 2.5L Memcal in useable condition.

As you can see, I was able to solder on the ZIF socket.

Presumably the LN8 Calpack will not work with the LB9.

Question is, will compute if I use the Calpack portion from the AUM on the (tuned) AKFW?

thanks for looking.


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Old Dec 21, 2024 | 02:25 PM
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Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Mixing Memcal PROM and Calpack Chips

You can use the 2.5 just solder in a cylinder select jumper 56 to 62 pins.
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Old Dec 21, 2024 | 02:41 PM
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Mixing Memcal PROM and Calpack Chips

https://www.thirdgen.org/forums/diy-...d-density.html

post 21 , it’s the same for tpi maf using a 4 cyl and 6cyl netress
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Old Dec 21, 2024 | 02:48 PM
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Re: Mixing Memcal PROM and Calpack Chips

Excellent, thank you very much!!
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