[Gmecm] ECU / PROM questions

[Steve Ravet]

> -----Original Message-----
> From: gmecm-bounces at diy-efi.org 
> [mailto:gmecm-bounces at diy-efi.org] On Behalf Of Sam Reed
> Sent: Wednesday, December 14, 2005 12:04 AM
> To: gmecm at diy-efi.org
> Subject: [Gmecm] ECU / PROM questions
> 
> Does it matter if a P4 PROM was originally for a speed 
> density or MAF system when customizing?  Does the ECU care 
> about SD v. MAF?  Is there anything about displacement 
> hard-wired into the limp-home mode chips (i.e. as long as you 
> have the right number of cylinders, are you ok)?
> 
> I need to find a V8 P4 chip for a conversion I'm working on - 
> where can I find one for a reasonable price?  Used would be fine.

You can get new memcals from gmpartsdirect.com for less than the local
dealer.

--steve

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