lightest a-body??

Outsider said
The 318-3 truck crank #2268810 was included in the Dodge Tech bulletin regarding the ugrade of factory D/Darts or other 235hp 273 4-barrel cars to race in D/class, Modified Production, FX, and Gas. The 318-3 truck crank was a replacement for the 273 crank, and had identical balance.
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The 318-3 was a heat-treated and shot-peaned crank identical to the 273, in my hurry typing about the engine in Grable's car, I made a mistake, as the crank they used was the 301 "Poly" crank from 1957/58 A engine, which was a different crank altogehter. Sorry 'bout that.