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spark plug cover 41 century


billbuickgs
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  • 2 weeks later...
On 12/21/2021 at 1:03 PM, billbuickgs said:

Thanks,

 Some early 320's had more of a round shape doom, think my 40 Crntury was like that .

Bill

Correct. Bill. 37 through 40 had slight dome shape and no vents. 41 through 52 were much flatter and had 4 stamped in vents to control condensation that could short out the uninsulated spark plug wire ends

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