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Old 01-03-2021, 11:56 PM   #22
ThreeQuarter
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Join Date: Jun 2000
Location: Texan in Iowa
Posts: 2,522
Re: Engine Timing Help

Hi Jeff, I have the cam card from Comp (attached). I didn’t have a degree wheel when I removed the timing cover the first time, but now I wish I had taken the time to do that!

raceman, you are correct. TDC happens when my engine has both dots at 12 o’clock. I posted the pic with the dots next to each other because it’s easier to see.

Everyone: I got a dead stop and put the timing mark questions to rest. Here’s a pic of my stop marks on either side of the balancer timing mark. I think this shows my timing mark is synced with TDC.
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'68 Chevy C10 Custom LWB 327/TH400 2nd owner
'16 GMC Sierra 1500 SLE Dblcab 4wd 5.3
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