51 DUELLER, I ASKED MY DAD (67 YRS OLD)
1. SPOT WELD A HALF INCH COURSE THREAD NUT TO THE VALVE.
2. THREAD A LONG BOLT INTO THE NUT
3. GRAB THE TOP OF THE BOLT WITH VICEGRIPS
4. HAMMER AWAY
I KNOW IT SOUND CRAZY BUT THAT`S WHAT HE SAID..
IF IT WERE ME I`D TRY JB WELD BEFORE I EVEN THOUGHT OF PUTTING A WELDER THAT CLOSE TO THE BLOCK, GOOD LUCK