The 1947 - Present Chevrolet & GMC Truck Message Board Network

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- - factory ecm and digital 6? (https://67-72chevytrucks.com/vboard/showthread.php?t=459273)

GMC70c20

04-14-2011 09:23 PM

factory ecm and digital 6?

I am just about to order some parts for my lq4. I want to run a digital 6 for the rev limiters and cdi. I've heard of people using a 6al box but not a digital 6, can I use one if the ecm is tuned right?

68GMCCustom

04-15-2011 12:09 PM

Re: factory ecm and digital 6?

I have a MSD 6LS-2 in my truck. According to the instructions, the extra harness I bought connects to the stock PCM harness, and allows you to override the timing settings of the PCM with the MSD's setup. So....a 6LS should do it?
Since I went with a carb...I didn't even need the extra harness...but I've got one! :lol:

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