From reading early post of yours, I believe you have a ‘54 235. I believe the early 235’s (pre ‘56) were not machined to accept a rubber seal (neoprene) and may not seal correctly.

Maybe some of our experts can confirm this.

Last edited by Phak1; 03/31/2021 12:28 PM.
Phil
Moderator, The Engine Shop, Interiors and Project Journals

1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes
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