Originally Posted by chevyfiftynine
Hi Everyone,

I'm tuning the engine of my '58 Apache 1/2 ton s/s 235 column change and would like to ask that when the pushrod is resting on the lifter, how many turns do I give it to push the rod into the lifter? Is it a quarter turn or as much as a whole turn? It's had a lot of work done such as inlet manifold, twin carbs,stage 4 head etc. Thanks.


Stock engine would have had mechanicla lifters, if it has a hydraulic lifter cam it would be good to know the specs for that specific cam, i.e. manufacturer.


BC
1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc
1949 GMC 250 project in waiting
1960 C60 pasture art
Retired GM dealer tech. 1980 - 2022