Plastic (old) elbow dilemma

[Susan Kline]

At 11:49 PM 10/19/1999 -0400, you wrote:
>Clyde,
>    You've simply got to try this. Heat the wire with your propane torch
and simply
>push the new elbow on. It's really that simple. I'm guessing it's kinda
like they
>put the screw driver blade into its' handle. Anyway it will shorten your
time on
>this job dramatically!!!
>    Greg Newell

Can you still adjust the lost motion after they are in, or are they fixed
in place?
And how does the heat affect the durability of the plastic? And do you have
to 
smell the hot plastic as you do it?

Susan