If it was a 49 and earlier 235 you could do the same as me.
Originally Posted by Virginiafiretruck
Thanks for the idea but I don't have that 216 option. Mine came with the 235 in 1951. So I'm going to need to keep the 235 look.

I thought of putting the nonvented cap on it but after reading alot here about the need for the engine to breathe, I dropped that plan.

Here is a photo link of my current "fix" Cardboard Fix