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Might be a dumb question, but I couldn’t seem to find the info.
Is there anything special about the 1989 CSX VNT ecu ? If memory serves me right it is an SBEC based on the 1990 electronics ?
If I am looking to start tuning the car myself, do I need a CSX specific ecu to have socketed or can I have any SBEC sent in for socketing ?
Previous owner replaced the VNT with a Mitsu turbo and manual boost controller, so I don’t need to have a way for the computer to control the VNT
I have a 90 VNT SBEC here on my shelf. I believe the 89 CSX is an early release of SBEC. I have socketed my 90 VNT SBEC and used it on my 87 2.5 TII CSX.
If you take a few good pictures of the 89 CSX ECU I can verify if it is the same as the 90.
I have verified that my 89 V6 van SBEC has the same hardware as the 90 VNT, except for number of injector driver etc and uses PCB board 025.
it's the same as a 90, for socketing apparently you can use any 8v 90/91 2.2/2.5 turbo ecu. i just bought one from rockauto for my 89 csx, wish i had asked here first.