bnt83
Final Approach
Lycoming O-320-E2D with a fixed pitch prop. Pulled the plug in the end of the crankshaft and went on a treasure hunt.
Conclusion: You may be able to see an amazing amount of the engine inside by going in from the front. The scope I used was long enough to reach all the to aft of the crankcase, I could easily see the bolt hole holding the crackshaft timing gear to the crankshaft. Its a little tricky to see cylinder #3 and #4 cam lobes as the #1 & #2 connecting rods are blocking the hole the scope passes through
Conclusion: You may be able to see an amazing amount of the engine inside by going in from the front. The scope I used was long enough to reach all the to aft of the crankcase, I could easily see the bolt hole holding the crackshaft timing gear to the crankshaft. Its a little tricky to see cylinder #3 and #4 cam lobes as the #1 & #2 connecting rods are blocking the hole the scope passes through
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