<VV> rubber brake adjust hole plugs

[Frank DuVal]

These drum holes were not just on Corvairs. I have worked on many cars 
with them, after self adjusters became common.

I don't think they melt, just crack and fall out. Or were never 
installed by the guy who punched out the slot.

Frank DuVal

On 1/31/2012 9:37 PM, djtcz at comcast.net wrote:
> Original message
> Metal plugs? Are you talking about the original "punch outs"? I've always
> seen rubber ones to fill the hole. Never had a problem with them and I've
> gotten the brakes pretty darn hot in road course and/or autocross racing.
>
> Later, JR
> ======================
>
>
> I assume I melted the 70s vintage ones out of my street Corsa with Velvetouch brakes as at one point they were gone.
> maybe there are/were different rubber recipes.
> Brake drums get hot, especially compared to backing plates where normal cars have adjuster holes
>