How to make a timing tape

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'''Making a semi-permanent timing tape is very easy, and removes any doubt as to where the timing marks are or were supposed to be- provided that:'''
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'''Making a semi-permanent timing tape is very easy. It replaces the need for a "dial back" timing light and removes any doubt as to where the timing marks are or were supposed to be- provided that:'''
  
 
'''1.''' You know (or verify) that the "0" degree line on the damper or balancer (henceforth to be called a "damper") and the timing tab actually correctly represents "0" degrees (TDC).
 
'''1.''' You know (or verify) that the "0" degree line on the damper or balancer (henceforth to be called a "damper") and the timing tab actually correctly represents "0" degrees (TDC).
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Careful measurement and marking of the degrees in this fashion on a length of masking tape can then be applied to the damper, aligning "0" on the tape to the line on the balancer, with the degrees BTDC to the right of this mark.  
 
Careful measurement and marking of the degrees in this fashion on a length of masking tape can then be applied to the damper, aligning "0" on the tape to the line on the balancer, with the degrees BTDC to the right of this mark.  
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If you are going to invest in a timing light, you might consider an inductive light with an "advance" feature. This allows you to read the timing from just the "0" point, the timing light will then adjust itself to show whatever amount of advance you want, or read the advance without regard for a timing tabs marks, except for an accurate "0" mark.
 
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They cost more than a standard light, but if you plan on tuning engines beyond the basics, it will pay for itself in the long run, IMHO.
 
  
 
You can also measure the length between the timing tab marks and transfer them onto tape, i.e. if there's 3/4 of an inch (0.750") representing 10 degrees on the tab, two marks 3/4 of an inch (0.750") apart on your tape will also be ten degrees. This will work- provided that the timing tab is correct for the application and not for a different diameter damper.
 
You can also measure the length between the timing tab marks and transfer them onto tape, i.e. if there's 3/4 of an inch (0.750") representing 10 degrees on the tab, two marks 3/4 of an inch (0.750") apart on your tape will also be ten degrees. This will work- provided that the timing tab is correct for the application and not for a different diameter damper.

Revision as of 11:59, 18 November 2011

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