Re: no ecu ????
yes you can but you need to know what engine and trans combo you will be running. There are a few different types of ecu's depending on what it came out of. Certain ecu's don't have provisions to run DBW, others lack the correct drivers to convert to DBC if you need to do so. Also, the engine and trans will determine if you need the blue/green or red/blue (IIRC) connectors to function properly. Its a bit tough to describe in detail, but I would check out LS1tech for more specifics on ecu types.
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING 
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