If I do the ecm swap, to a 730 but I get the ecm out of say a celebrity, will the mem cal work from that car? Or do i need one specifically from a camaro?

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1985 IROC-Z
TPI 305, 700R4 with shift kit, richmond 3.73's, auburn pro series posi, crane compucam 2030, ported plenum, gutted air boxes, all the little insignificant stuff.

 

In fact if i could get a detailed description of exactly what the mem cal IS for that would be great, my car doesn't have one

YET!

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1985 IROC-Z
TPI 305, 700R4 with shift kit, richmond 3.73's, auburn pro series posi, crane compucam 2030, ported plenum, gutted air boxes, all the little insignificant stuff.

 

As a min., you need one from a v8.
It's best to just get the most similiar one possible from gm and use that.

 

so what is the mem cal responsible for?

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1985 IROC-Z
TPI 305, 700R4 with shift kit, richmond 3.73's, auburn pro series posi, crane compucam 2030, ported plenum, gutted air boxes, all the little insignificant stuff.

 

so what is the mem cal responsible for?

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1985 IROC-Z
TPI 305, 700R4 with shift kit, richmond 3.73's, auburn pro series posi, crane compucam 2030, ported plenum, gutted air boxes, all the little insignificant stuff.

 

Its basically the carrier for the prom and limp home circuitry.

 

I think a GMECM member discovered the resistor values to at least tell the ECM that you've got eight cylinders. That would allow you to use the mem-cal out of the non-V8 donor vehicle, but you wouldn't have a useful limp-home mode.

Search the archives at www.diy-efi.org to find this information.

 

Mike Davis specified a GM P/N 16151348 Memcal in his article at
http://www.eecis.udel.edu/~davis/z28/ecm_swap_730/

Is there another or better Memcal to use???

 

And the cylinder select.
It sets the hardware for 8 sylinders, where the code also has a cylinder select variable, the two much match for the car to run right, and report the correct ALDL values.
The memcal as used in the 165s has a knock filter on it, and the 730 has an addition PCB for additional knock filtering.

 

Vice-versa, acually