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Aluminum bonnet?

Pretty much.



...live wifit. Or go GET a Lotus.

THEN be th' Energizer Bunny for th' Lotus forum. Or just POST to it with a query NOW!
 
You guys are high tech, using micrometers to determine whether it's fiberglass or aluminum. I would just knock on it with my knuckle and see if it sounds like metal or not! :wink:

Aluminum bonnets were used until around 1971 IIRC before changing to steel for cost savings.
 
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