... I wonder if I should go back in...
All it costs you to Check it out is the fluid, RTV, and time.
What does it cost if it fails?
I bet there's at least one more zero in the second number.
If you Know it's on the other way, I'd take it apart and plastigage it to be sure; if it's flat, WGAF where the arrow is.
It being BW may have led to the bolt snappage you had happen; the second plastigage taper pic would lead to that very occurrence, as the stress concentrates on one side of the bolt head.
It could have been made on a Friday: "Fred, I put that last cap in the grinder backwards; just install it backwards, and it will be fine."
That's way better than Monday: "Man, I'm still wasted from Friday night. Which way does the arrow go?"
Red '96 Cougar XR-7 240k mi. '02 4R70W, PST DS : '03 PI engine, 04 maf, 24lb injectors, 2.5" exhaust, '02 4r70w + Jmod, DirtyD0g TC + cooler + 3/8" lines, 255 walbro fp. Alpine system.
Black '96 Cougar XR-7 (Lazarus) 210k mi PI Intake, '02 4R70W, Jmod, PST DS, GrogTune, Konis, Mark LCA+Poly, racecougar Custom Engine Chain, and JL and racecougar Bracing.
Black '97 Tbird Limited Edition, '02 4R70W, 255 walbro, PST DS, PBR Brakes&SS lines, Toicko Blues & Springs, GrogTune.
"War Is Peace. Freedom Is Slavery. Ignorance Is Strength." - George Orwell.
Truth Isn't Truth. - Rudy Giuliani, 2018 Award winner, “Most Outrageous Diversion” by MSNBC for this quote