Timing Question - Timing Cover or Balancer switch

The early and late timing tabs were on opposite sides of the engine, late is viewed from driver's side. Don't know how far they moved in degrees

The EASY way to check your timing mark will settle all arguments. Buy or build a "piston stop:"

http://how-to-build-a-pilgrim-sumo....eful-articles-by-members/piston_dead_stop.jpg

Disconnect the bat. ground, get a socket on the crank, and make sure the no1 piston is down far enough to install it.

Rotate the engine CW until it stops, and make a temporary mark on the balancer RIGHT under TDC on your tab

Now do the same, CCW

You'll have two marks some distance apart. True TDC will be exactly halfway in between.

Now, by using a thin tape, and carefully measuring (two or three times) around the wheel to get circumference, "do the math" to figure how many "degrees per inch." You can now scribe/ file marks on the wheel.

One way to do this is calculate 40*, and scribe the mark. MEASURE with your tape, not dividers, because you have to measure AROUND the wheel.

Next, take dividers, and divide the 40 in half, for 20, then in half again, for 10*. While you're at it, you can take your dividers set for 10* and ADD past 40 for 50.

Last divide again for 5. Note that by using dividers, you can check from "both directions" on two marks and confirm accuracy.

Of course the easy way out is just buy some "timing tape."