Today, dollar for dollar, is the 318 faster than the 340 ???

pittsburghracer said
Will a 4 inch stroke 340 crank fit a 318 block.

Only with 318 or 273 heads. If you use the bigger heads you have to reconfigure the Finnegan pin around the quasi cam for the moto drive spray to the cog for inverted over/under Linear operations oiling to limit the hydro terminator’s derma amateur reading level to the meet the Vibratory limitations of the capacitor dual back flog operations.

It is a simple operation involving the Jesus clip on the back face of the unit that retains the hydro meters electromagnetic residence pick up harmonizer.

Failure to do so may cause nausea vomiting monkey tails to grow out your backside shortened fingernails irregular heartbeats and shorten breath. Proceed or ignore at your own risk. It is a easy operation to perform with simple hand tools, a grinder and a BFH.

mopowers said
A budget of $1500 was established for the 340 and $3k for the 318. With those miniscule budgets (I didn't make the rules), you'd have to assume both engines are 'usable' with minimal to no machine work necessary (ie. backyard rebuild, hone, re-ring, bearing, lap valves, and reassemble).

If the 340 needed new heads, it's probably out of the discussion all together. If the 318 needed heads, that $3k starts decreasing very quickly and pretty much eliminates the possibility of the 50 extra cubes.