03-27-2009 | #1 |
Join Date: Aug 2006
Location: Texas
Posts: 518
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Chip burners jump in !!
Can someone tell me what is the primary difference in the memcal/prom used in the 1990 and 1991 ZR-1 with factory ECM 1228331 ? I have always heard one should not use a 90 in a 91 even though the ECM is the same. Please tell.
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1991 ZR-1, Black, Black, # 541 |
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