85 computer
Thread Starter
Drifting
Joined: Oct 2006
Posts: 1,328
Likes: 14
From: Stafford Connecticut
85 computer
Is there a difference between an auto trans and manuel trans computers other than chip.I am looking at a computer with these numbers.Service # 1226870 /862531/m511824383.Anyone know what this fits?
Burning Brakes
Joined: Dec 2002
Posts: 1,088
Likes: 0
From: Lakeland fl
84-87 ECM all the same
The 85 uses a '6870 ECM, while the 86 and 87 use a '165 ECM. The ECM's do interchange with some minor rewiring, but they are definately not plug and play. '6870 ECM's use a chip, while the '165 ECM's have a removable memcal with a chip inside it. I don't know which ECM was used in 1984, but it wasn't the '6870 or the '165.
The first number of 1226870 makes it a 1985 ECM, but there were a few applications depending on the chip installed.
Last edited by SBNova; Apr 2, 2007 at 10:40 PM.
Le Mans Master
Joined: Feb 2006
Posts: 8,753
Likes: 9
From: Louisiana
sorry, but that is incorrect.
The 85 uses a '6870 ECM, while the 86 and 87 use a '165 ECM. The ECM's do interchange with some minor rewiring, but they are definately not plug and play. '6870 ECM's use a chip, while the '165 ECM's have a removable memcal with a chip inside it. I don't know which ECM was used in 1984, but it wasn't the '6870 or the '165.
The first number of 1226870 makes it a 1985 ECM, but there were a few applications depending on the chip installed.
The 85 uses a '6870 ECM, while the 86 and 87 use a '165 ECM. The ECM's do interchange with some minor rewiring, but they are definately not plug and play. '6870 ECM's use a chip, while the '165 ECM's have a removable memcal with a chip inside it. I don't know which ECM was used in 1984, but it wasn't the '6870 or the '165.
The first number of 1226870 makes it a 1985 ECM, but there were a few applications depending on the chip installed.
The 86-89 ECM's are the same. The chip is where the difference is.
Le Mans Master
Joined: Feb 2006
Posts: 8,753
Likes: 9
From: Louisiana
5.7 V8 CFI ("Y" body).........1226026 (84 vette)
5.7 V8 TPI “8” L98 (“Y” body)......1226870 (85 vette)
5.7 V8 TPI “8” L98 (“Y” body)......1227165 (86-89 vette)
5.7 V8 TPI “8” L98 (“Y” body)......1227727 (90-91 vette)
5.7 V8 TPI “P” LT1.......16159278 (92-93 vette)
5.7 V8 TPI “P” LT1.......16188051 (94-95 vette)
5.7 DOHC V8 SFI “J” LT5 (ZR1)......1228331 (90-91 ZR1)
5.7 DOHC V8 SFI “J” LT5 (ZR1)......16163993 (92-95 ZR1)
5.7 V8 TPI L98 ("F" body) Camero.......1227730 (unsure of years)
5.7 V8 TPI “8” L98 (“Y” body)......1226870 (85 vette)
5.7 V8 TPI “8” L98 (“Y” body)......1227165 (86-89 vette)
5.7 V8 TPI “8” L98 (“Y” body)......1227727 (90-91 vette)
5.7 V8 TPI “P” LT1.......16159278 (92-93 vette)
5.7 V8 TPI “P” LT1.......16188051 (94-95 vette)
5.7 DOHC V8 SFI “J” LT5 (ZR1)......1228331 (90-91 ZR1)
5.7 DOHC V8 SFI “J” LT5 (ZR1)......16163993 (92-95 ZR1)
5.7 V8 TPI L98 ("F" body) Camero.......1227730 (unsure of years)
