Replace the tires. Replace the tires. Replace the tires.
You are flirting with disaster to do otherwise with the sidewall. Don't listen to anyone who says they've been doing it for years with no problem. Darwin WILL find them sooner or later.
Take a shortcut when it does not involve your or my personal safety.
Luke Porter wrote: How easy is it to get a knife into a tire? Seems like a lot of work.
Think I'd use a cordless drill.
A good 2-3" knife that's been properly sharpened will go through the very thin plys of a side wall with little to no effort. Remember, your tread maybe 10 ply, but your sidewall is like 2-3 ply with Radials, only Bias tires had the same number of plys in the sidewalls as it did the tread.
I've put a knife through the tread of a class 8 tire (10R22.5)...it takes some force, but a sharp blade has no trouble.
John
1984 Ford B-700 school bus conversion, Thomas body
A bunch of other vehicles
3 nutty cats (Maya, Vierna, Briza)
One lazy dog (Marmaduke)
One wife (Liz)
"A wasted youth is better by far than a wise and productive old age"
-Jim Steinman
JJBIRISH wrote: ty bad... I know that doesn’t sound right it was my experience…
its true... nothing runs like a deere...
And even the fastest John Deere can't outrun a bumble-bee
hershey - albuquerque, nm Someday Finally Got Here
My wife does all the driving - I just get to hold the steering wheel.
Superman was an illegal alien.
Expedition - Suzuki Grand Viagra
Offline
, no one ever told me this was going to be easy... they were right... 
