![]() You can use a piece of masking tape and get the exact circumference of your balancer. I can do at 10 degrees BTDC because of the factory timing tab/mark, but how about others? ![]() The Actron was the brightest, and the Equus the dimmest.Īlways a good idea to check the "dial back". Both fired at zero, and worked fine at all RPMs. An older Craftsman Inductive pickup, and a cheap Equus Inductive pickup unit. I also tested my other 2 timing lights at the same time (both non "advance" type). of error is not a lot, it still can matter. would actually be 30 crank deg.Īctron set at 62 deg. would actually be 10 crank deg.Īctron set at 32 deg. In each case, if I added 2 degrees to the Actron setting as a correction factor, it would fire at the correct point.Īctron set at 12 deg. (48 crank).Īctron set on 60, Sun read 29 dist. (38 crank).Īctron set on 50, Sun read 24 dist. (28 crank).Īctron set on 40, Sun read 19 dist. (18 crank).Īctron set on 30, Sun read 14 dist. (8 crank).Īctron set on 20, Sun read 9 dist. When the Actron's advance dial was set on "0", Sun agreed "0".Īctron set on 10, Sun read 4 dist. ![]() In other words, 2 separate sets of tests. The Actron readings showed a consistent 2 degrees of error at all positions above zero, as tested both 500 & 1000 dist. I compared it's readings with a distributor on my Sun Machine, to check it's accuracy (firing a separate ignition coil to fire the Actron strobe/circuit). I have an Actron CP7528 (Inductive pickup with the advance dial). Beware that the adjustable advance lights are not necessarily accurate.
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