Review on 🔧 COMP Cams 4795 TDC Stop, 14mm Bolt-Style by Tim Rios

In fact, this is the ONLY way to determine the TRUE TDC of your engine. And that's very important. On my old Dodge Ramcharger the timestamp actually shifted. I used to set the time this way and it didn't have much power, so I suspected that was the problem. Timing with the Piston Stop I noticed that the standard timestamp was moving a few degrees slower. I used a time tape and set the lead to a reasonable 8* and the sleepy (default) 360 woke up!