Where to get an ECM & Eprom

[slacha1]

Hello,
I am looking for an ECM and an Eprom package (the blue cal-pack/chip) for a 1991 ZR-1. Any idea ?
Thx
Steve

[XfireZ51]

Looking for both or just the cal-pak?

[Kevin]

can't any ecm be used for the zr-1?

[XfireZ51]

can't any ecm be used for the zr-1?

If u mean any LT-5 ECM, yes. As long as u use the correct year calibration.

[Kevin]

If u mean any LT-5 ECM, yes. As long as u use the correct year calibration.

i thought I read that any ecm was useable with an lt5 prom. but i've been wrong before. ask my wife

[secondchance]

I believe any year ZR-1 ecm will work as long as you have a crrect year eprom - cannot use an ECM out of a LT1 car.
Check with Kurt - whiteracingproducts.com.

[XfireZ51]

i thought I read that any ecm was useable with an lt5 prom. but i've been wrong before. ask my wife

Your wife is correct. ;-)

[slacha1]

I am looking for both, the ECM and the cal-pack.
As I understood from some replies any LT5 year ECM will do but the Cal-pack will need to be a 1991 ...

[XfireZ51]

I am looking for both, the ECM and the cal-pack.
As I understood from some replies any LT5 year ECM will do but the Cal-pack will need to be a 1991 ...

To be accurate, any calpak will work as long as the correct model year calibration is burned on it. The one exception for this is the 90 calpak which does not have the knock filter on board.

[GOLDCYLON]

i thought I read that any ecm was useable with an lt5 prom. but i've been wrong before. ask my wife


Not unless its a LT5 ECM. With the correct MY Prom for the LT5