A basically stock 340 running 11's...i love my 340's and have owned several but, i don't think so...
I Have One in a 68 Barracuda with a 727 and 4.88 Gears and FULL Street Trim Through the Mufflers and Street Tires that has run 11.8001.I HAVE the Time Slips to prove it.It Is Stock X-Heads,MP Single Plane Manifold,.030 TRW Pistons,STOCK 273 Crank,Rods,Rockers,and a .590 MP Cam.
IT CAN BE DONE EASILY..
SS