340 cam in a 318

Its more tin the heads, stock LA 318 heads wont do you any good the valves will float with the stock valve springs, the ports are restrictive etc. even if you rev it to 6 000 RPM, the springs cant handle it... now a combination of cam and heads well that would work...:) I have run this cam in my stock LA 318 with a 4 Barrel Holley it is still an affordable kit from Summit. Actually I still have one in my 318 but that engine is stiing in the corner, I have the same cam in a 340 with flat top pistons, and am going to run it in another 340 . street applications only not a racer. I run my Fox body at the track.

Summit Racing SUM-K6901 - Summit Racing™ Classic Cam and Lifter Kits
Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 276/288, Lift .441/.441, Chrysler, Small Block