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Amicale Spitfire
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Museum main entrance |  Tiges de culbuteurs tordues | Bent push rods 

Spitfire Culbuteurs    Patrick Simillon did not know if this was due to his special camshaft or to a wrong tappet clearance adjustment.

Later on our web forum "Cyberspit", Dario Gusmeroli explained that the original valve springs are perhaps not adapted to the special camshaft (higher cams), if when the valve is opened the spring turns are touching together.
Last update 01/09/2018