Timing tabs and damper TDC lines SBC
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==Checking the timing tab/damper for accuracy== | ==Checking the timing tab/damper for accuracy== | ||
If you're unsure, or just want to check the accuracy of the tab and damper mark for TDC, [http://www.crankshaftcoalition.com/wiki/Determining_top_dead_center DETERMINE TDC] and [http://www.crankshaftcoalition.com/wiki/How_to_make_a_timing_tape MAKE A TIMING TAPE] will help you to see for yourself. | If you're unsure, or just want to check the accuracy of the tab and damper mark for TDC, [http://www.crankshaftcoalition.com/wiki/Determining_top_dead_center DETERMINE TDC] and [http://www.crankshaftcoalition.com/wiki/How_to_make_a_timing_tape MAKE A TIMING TAPE] will help you to see for yourself. | ||
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| + | ===Checking the outer damper ring for movement=== | ||
| + | [[File:Damper line.jpg|left|400px]]Draw a sharpie line as shown in the image below. When the timing light is pointed at the TDC line, the sharpie line will also be seen. By revving the engine and running it at different speeds, if the outer ring is loose, the line on the outer ring will be seen to move independently of the line on the inner hub. | ||
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==Vortec plastic timing cover vs. steel cover== | ==Vortec plastic timing cover vs. steel cover== | ||
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