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#1065333 - 03/09/20 06:14 AM Looking for ZZ4 PROM or Hybrid ECM  
Joined: Aug 2010
Posts: 196
RDKLXPRS Offline
Member
RDKLXPRS  Offline
Member

Joined: Aug 2010
Posts: 196
Lexington, NC; Daytona Beach, ...
Same as title. Short sweet and to the point. Who's got one for sale?


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1986 MONTE CARLO SS 5.7L 440,000 mi.
https://www.facebook.com/Bakersprsprt
#1065335 - 03/09/20 06:23 AM Re: Looking for ZZ4 PROM or Hybrid ECM [Re: RDKLXPRS]  
Joined: Jan 2000
Posts: 4,760
mmc427ss Offline
20+ Year
mmc427ss  Offline
20+ Year
Member

Joined: Jan 2000
Posts: 4,760
Pottstown, Pa
Try Bitflipper on this forum.
Bob

#1065342 - 03/09/20 05:13 PM Re: Looking for ZZ4 PROM or Hybrid ECM [Re: RDKLXPRS]  
Joined: Jun 2004
Posts: 346
Bitflipper Offline
15+ Year
Bitflipper  Offline
15+ Year
Member

Joined: Jun 2004
Posts: 346
Las Vegas, NV
Had to clear out some old PMs - I was at quota. I was trying to hold on to as many threads as possible from prior buyers but with a limit of 30 I can no longer keep them all.

I have about 6 Hybrid ZZ4/L69 PROMs left assuming they are all still good (I have had a few that didn't keep their burn over the years, I now test them all prior to sending.) Remember that you will need a 1228079 ECM; that was not the stock ECM in the 1986 Monte Carlo SS.


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#1065345 - 03/09/20 07:39 PM Re: Looking for ZZ4 PROM or Hybrid ECM [Re: Bitflipper]  
Joined: Aug 2010
Posts: 196
RDKLXPRS Offline
Member
RDKLXPRS  Offline
Member

Joined: Aug 2010
Posts: 196
Lexington, NC; Daytona Beach, ...
Right, I plan on buying a refurb ac delco from rockauto. How much for the chip?


[Linked Image]
1986 MONTE CARLO SS 5.7L 440,000 mi.
https://www.facebook.com/Bakersprsprt
#1065363 - 03/10/20 05:15 PM Re: Looking for ZZ4 PROM or Hybrid ECM [Re: RDKLXPRS]  
Joined: Jun 2004
Posts: 346
Bitflipper Offline
15+ Year
Bitflipper  Offline
15+ Year
Member

Joined: Jun 2004
Posts: 346
Las Vegas, NV
Honestly I don't think they do anything to refurb them. They are difficult to fry in my experience. I have totally Frankenstein'd a couple of boards to hack into them and they still work. Probably one from eBay would be just as good.

Anyway, $65 shipped for the chip. PM me if interested.


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#1065378 - 03/11/20 04:47 AM Re: Looking for ZZ4 PROM or Hybrid ECM [Re: RDKLXPRS]  
Joined: Jan 2000
Posts: 4,760
mmc427ss Offline
20+ Year
mmc427ss  Offline
20+ Year
Member

Joined: Jan 2000
Posts: 4,760
Pottstown, Pa
Would have to check my inventory but probably a couple 1228079 ECM on the shelf.
Bob

#1065437 - 03/15/20 12:19 AM Re: Looking for ZZ4 PROM or Hybrid ECM [Re: RDKLXPRS]  
Joined: Jan 2000
Posts: 4,760
mmc427ss Offline
20+ Year
mmc427ss  Offline
20+ Year
Member

Joined: Jan 2000
Posts: 4,760
Pottstown, Pa
Tyler, I looked today and have an 079 ECM sitting here from an 87 SS, even has the ACFZ PROM in it. PM me if interested.
Bob

#1065477 - 03/16/20 01:11 AM Re: Looking for ZZ4 PROM or Hybrid ECM [Re: mmc427ss]  
Joined: Sep 2007
Posts: 3,171
1 Slow SS Offline
10+ Year
1 Slow SS  Offline
10+ Year
Member

Joined: Sep 2007
Posts: 3,171
Small town KY
I also have two from a couple 86's I had back in the day.

Last edited by 1 Slow SS; 03/16/20 01:13 AM.

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