ecm compatibility from 88 to a 91
04-10-2014, 10:45 PM
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Car: 1991 Z28
Engine: 350 tpi
Transmission: auto/stock
Axle/Gears: stock
ecm compatibility from 88 to a 91
so is an ecm with a 350 from a 1988 iroc-z compatible in a 91 z28 with a 350? Are the memcal the same and programming etc?
04-10-2014, 11:47 PM
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Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: ecm compatibility from 88 to a 91
Not even close...
86'-'89 same ECM different memcal
'90-'92 same ECM
86'-'89 same ECM different memcal
'90-'92 same ECM
04-11-2014, 07:28 AM
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Car: 1991 Z28
Engine: 350 tpi
Transmission: auto/stock
Axle/Gears: stock
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