Is/was there ever a 340 Magnum

If you want a badge on your car ( and if it legitimately has a 340) do it! Most won't know or care if it's "right" and if they do, and don't like it, f#@k em. My friend with the A66 had a R/T butt stripe on it when she bought it. It's NOT an R/T, but she liked it and had the stripe put back on when she had it painted.
Bottom line, she now refuses to "show" her car, cause she got grief over the stripe. In my opinion, not showing it doesn't hurt her any, but deprives other Mopar people from seeing a nice, fairly rare mopar.
I would have said, "where is your cool vintage hot rod, let's go have a look at your junk"

1. A bit back a member said that an idiot, mentioned that "his valve cover was leaking a bit" and the turd mentioned it to the member.

Use 1st Paragraph instructions in this instance

2. Scream at them
"Get the **** away from my car"

3. If he does have a car there, take a potato, carve it down to where it's just a little to large, using a stick, shove it inside the tailpipe, until it can't be seen. The car will not crank, and will stupify the diagnostic computer.

Someone will be spending a bunch of $ paying diagnostic fees
Ask me how I know

Maybe I'm a little too
Stay the **** away from me with you stupidity and ignorance