...and here's a few others we've collected.
AD - Advance Design(1947 2nd series to 1955 1st series)
A/T - Automatic Transmission
ATDC - After Top Dead Center
BB - Big Bolts(1.5 Ton and up)
BC - Blue Chip ('55-'59 GMC)
BBC - Big Block Chevy
BFH - Big Friggin' Hammer
BFW - Big Friggin' Wrench
BTDC - Before Top Dead Center
COE - Cab Over Engine
Deco - Art Deco or"Victory"(1941 to 1947 1st series)
FLAPS - Friendly Local Auto Parts Store
FLARS - Friendly Local Auto Repair Shop
GS - Greasy Spoon
GT - General Truck (talk)
IFS - Independent Front Suspension
IRS - Independent Rear Suspension
LWB - Long Wheel Base
ND - New Design ('47-'55 GMC)
NOS - New, Old Stock
NORS - New, Old Replacement (or Re-manufactured) Stock
NORP - New, Old Re-manufactured (or Replacement) Part
OE - Operator Error
OEM - Original Equipment (from the) Manufacturer
PO - Previous Owner
RPO - Regular Production Option
SBC - Small Block Chevy
SLURP - Simple Lightweight Unpretentious Retro Pickup
SNAFU - Situation Normal - All Fouled Up
SWB - short wheel base
TDC - Top Dead Center
TF - Task Force(1955 2nd series to 1959)
TSP - The Stovebolt Page
WOT - Wide Open Throttle
