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01-11-2013, 11:59 PM
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#1 |
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Registered User
 
Join Date: Jan 2012
Location: greenville pa 16125
Posts: 283
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factory tach
can i use my factory tach when i put a6.0 in my 1987 ccsb ? stock engine is a 350
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01-12-2013, 02:24 AM
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#2 |
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Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,119
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Re: factory tach
Yes. You'll have to have the tach resolution changed from 6 to 3 so it will read right. And depending on what year PCM you're using, you might need a 'pull up resistor' to strengthen the signal.
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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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01-12-2013, 02:53 PM
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#3 |
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Registered User
Join Date: Nov 2011
Location: Idaho
Posts: 857
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Re: factory tach
I'm in for one possible two of those overlays been looking at some of those expensive aftermarket clusters but trying to keep that original look. Willing to attempt one of these clusters.
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