mfg Posted September 20, 2017 Report Posted September 20, 2017 To aid in oil 'drain back' from the rocker arm area of the cylinder head, Studebaker engineers increased the diameter of the cylinder head oil drain holes by......?......%. 1) 10.........2) 25..........3) 35....or....4) 40
r1lark Posted September 23, 2017 Report Posted September 23, 2017 #3, 35% should be about right if I ciphered right.
mfg Posted September 23, 2017 Author Report Posted September 23, 2017 12 hours ago, r1lark said: #3, 35% should be about right if I ciphered right. 35% increase is CORRECT!
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