Head casting - 6 cyl-
1550582, for '61-'63 with heater outlet at left rear of head.
1560952, for '64 with heater outlet at left front of head.
The valve cover has to be removed to see the numbers at the rear, just
forward of the rear head bolt. There is also a date code under the valve
cover just aft of the front head bolt.








 >Studebaker 6 Cylinder Crankshaft Forging Numbers
>
>169.6 1943-54
>#1547105
>#1550774
>#189986
>#199966
>#521525
>#521526
>#908292
>
>170 1959-64
>#1547105
>#1550774
>#189986
>#199966
>#521525
>#521526
>#908292
>
>185.6 1955-58
>#176254
>#186433
>#534231
>#534251
>#534254
>#534521
>#535377
>
>194 1965-66
>#3788424
>#3820618N
>#3820618
>
>226 1947-53
>#523135
>#523774
>230 1966-
>#3788424 (Same # as Buick, Chevrolet & Pontiac)
>#3820618N
>#3820618
>
>245 1949-59
>#523168
>
>Studebaker 8 Cylinder Crankshaft Forging Numbers
>
>224 1955-56 
>#533439
>
>232 1951-54 
>#526831
>#526832
>#536452
>#530081
>
>259 1955-1964 
>#526831
>#526832
>#536452
>#530081
>
>282 1939-47 
>#C116-LM (Same # as Packard)
>#117111
>#302811 (Same # as Packard)
>#304852 (Same # as Packard)
>#320428 (Same # as Packard)
>
>283 1965-66
>#3727449
>#3734627 (Same # as Chevrolet & Pontiac)
>#3815822 (Same # as Chevrolet & Pontiac)
>#3876764 (Same # as Chevrolet)
>
>289 1955-64
>#1556444
>#180590
>#526956 (Same # as Packard)
>#537424 (Same # as Packard)
>
>304 1963-64
>#15564444
>#180590
>#526956
>#537424
>
>352 1955-56
>#HAWK (Same as Packard)
>#300102(Same # as AMC, Hudson & Packard)
>#3144388 (Same # as AMC, Hudson, Packard & Willys)
>
>
>Taken from the 1979 Crankshaft Manual of the Automotive Engine Rebuilders Ass.
>
>If they are any other numbers I am missing please let me know. Also I have the
>specs on all these crankshafts
>
>Jerry

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Ron/Champ 6