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Old 10-01-2013, 05:36 PM   #10
ls1nova71
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Join Date: Dec 2009
Location: Independence Mo
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Re: A few guage questions

Generally its the 2003 and newerPCMs are the ones that need the "pull up" resistor to amplify the weaker tach signal they produce. Also if you don't have an aftermarket tach that can be set to 4 cylinder mode, changing the tach resolution in the tune from 6 to 3 will double the signal to 8 cylinder.
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My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html

5.3 swap into my RUSTY '71 C10
http://ls1tech.com/forums/conversion...71-c-10-a.html
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