Messuring engine timings

Old 04-17-2011, 12:16 PM
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With new engines the brightness of the light does not matter much so far I have seen. the sharp edges of the ports and small tolerances is cutting the light as a sharp knive.

Indeed as you are mentioning I do have some small difficulties with rounded edges and the V-shape exhaust ports but indeed if you use a steady methode for it you will get far.
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Old 04-17-2011, 02:20 PM
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I use a depth gauge and a known thickness stopper. 100% consistent.

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Old 04-18-2011, 03:54 AM
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This is the setup i use, I find it extremly accurate, i do find that the key to accuracy is using a dull light.
Attached Thumbnails Messuring engine timings-img_1541.jpg   Messuring engine timings-img_1542.jpg  
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Old 04-19-2011, 04:25 PM
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? whats the down side if u raise the timing 1 degree and its not good what happens, i mean does it get slower, ruff idle, hard to tune do u loose bottom end or top or it just dont get faster... thanks
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