ECU QUESTION
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Joined: Dec 2001
Posts: 541
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From: Longview, Texas, USA
Re: ECU QUESTION (Milhouse)
From http://www.hondata.com
Concerning OBD2 ecus:
These ECUs have the processor (Oki 66507) and ROM chip combined and surface mounted onto the circuit board. The upgrade involves removing the processor/ROM and installing a socket in its place. This requires specialised surface mount equipment and training that few people have. The processor/ROM is expensive, and can only be programmed once. If you require changes to the fuelling or ignition, you have to throw away the old processor and install a new one, which at a couple of hundred dollars each gets expensive. We can raise the rev limit, set the VTEC point, and alter ignition or fuel tables as per requirement. The computer can easily be reverted back to stock operation by installing the original processor/ROM back into the socket.
Concerning OBD2 ecus:
These ECUs have the processor (Oki 66507) and ROM chip combined and surface mounted onto the circuit board. The upgrade involves removing the processor/ROM and installing a socket in its place. This requires specialised surface mount equipment and training that few people have. The processor/ROM is expensive, and can only be programmed once. If you require changes to the fuelling or ignition, you have to throw away the old processor and install a new one, which at a couple of hundred dollars each gets expensive. We can raise the rev limit, set the VTEC point, and alter ignition or fuel tables as per requirement. The computer can easily be reverted back to stock operation by installing the original processor/ROM back into the socket.
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