Adjusting the timing - The 1947 - Present Chevrolet & GMC Truck Message Board Network

skokie · 08-16-2007, 10:57 PM

I installed a new balancer on the 350. The old balancer had the timing mark lined up with the keyway slot.The new one has the keyway slot lined up at just about 10 degrees. I pulled the distributor and pointed the oil pump to #1 and reinstalled it with the rotor pointing to #1. When I started up the truck to set the timing I noticed that when I set it to 10 degrees it was running rough so I got out my vac guage and it shows 16-17. So I adjusted the distributor until I got 18 then stopped. According to my timing light this is about 15-16 degrees. How can I check to make sure that 15-16 degrees is correct?

Thanks

08-16-2007, 10:57 PM	#1
skokie Registered User Join Date: Oct 2003 Location: San Jose Ca. Posts: 3,354	Adjusting the timing I installed a new balancer on the 350. The old balancer had the timing mark lined up with the keyway slot.The new one has the keyway slot lined up at just about 10 degrees. I pulled the distributor and pointed the oil pump to #1 and reinstalled it with the rotor pointing to #1. When I started up the truck to set the timing I noticed that when I set it to 10 degrees it was running rough so I got out my vac guage and it shows 16-17. So I adjusted the distributor until I got 18 then stopped. According to my timing light this is about 15-16 degrees. How can I check to make sure that 15-16 degrees is correct? Thanks __________________ RIP to my son Dylan. 5/17/2002 - 8/18/2018 If you want to know more about rare forms of pediatric cancer or if you want to help fund pediatric cancer research, please check out the website for the non-profit I started. https://slothforpedcancer.org 68 build thread http://67-72chevytrucks.com/vboard/s...d.php?t=223234



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