tach troubleshooting - The 1947 - Present Chevrolet & GMC Truck Message Board Network

hotrodhomi · 01-14-2011, 07:37 PM

What size pulse should I see coming from the distributor? My tach problem is an inconsistent and low RPM indication on the gauge. I'm trying to find out if it is getting the right signal.

hotrodhomi · 01-16-2011, 05:56 PM

nobody knows?

Ole Greenie · 01-16-2011, 05:58 PM

What is the tach doing? The "hood" over the needle might be interfering with it's movement. Happened to me.

01-14-2011, 07:37 PM	#1
hotrodhomi Registered User Join Date: Apr 2004 Location: Sacramento Posts: 3,737	tach troubleshooting What size pulse should I see coming from the distributor? My tach problem is an inconsistent and low RPM indication on the gauge. I'm trying to find out if it is getting the right signal. __________________ '72 2wd blazer, bagged w/ watts link & EDC '72 C10 "Lowered Farm Truck" STOLEN 5-18-11 '66 impala ht

01-16-2011, 05:56 PM	#2
hotrodhomi Registered User Join Date: Apr 2004 Location: Sacramento Posts: 3,737	Re: tach troubleshooting nobody knows? __________________ '72 2wd blazer, bagged w/ watts link & EDC '72 C10 "Lowered Farm Truck" STOLEN 5-18-11 '66 impala ht

01-16-2011, 05:58 PM	#3
Ole Greenie Registered User Join Date: Apr 2010 Location: Hagerstown, MD Posts: 246	Re: tach troubleshooting What is the tach doing? The "hood" over the needle might be interfering with it's movement. Happened to me. __________________ John Paap Ole Greenie Hagerstown, MD My Mistress 70 CST Short/Step LS 5.3/4L65E New motor install Thread:http://67-72chevytrucks.com/vboard/s...d.php?t=667773

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