Can I just put a '89 PROM in my '88 car without any tuning? Is the '89 PROM better than the '88? Will the new PROM give me fuel enrichment during cold start (my coldstart valve is long gone, and it takes a while to start)?
Thanks, Rick

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'88 GTA 350 Full of Leprosy (rust)
Full exhaust, free mods, Xtreme energy cam, intake pieces and 2100 RPM TQ

13.39@102.50 MPH
1.90 Sec ----- Best 60FT
104.23 MPH -- Best Trap Speed
AIM HIGH!

[This message has been edited by F22Raptor (edited March 14, 2001).]

[This message has been edited by F22Raptor (edited March 14, 2001).]

[This message has been edited by F22Raptor (edited March 14, 2001).]

 

Yes, you can, assuming it is for the same application (350TPI/A4 in your case). The '89 code is a slightly better calibration, especially the ARAP bin, and it already has the open loop chart set up for cold-start enrichment (ie: the correct values are already there).

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Greg Westphal
'87 IROC 305TPI/A4

 

thanks greg

 

Is porm short for pormography? Just curious...

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'87 IROC 5.7l TPI - original owner!