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#70675 12/27/2006 7:12 PM | Joined: May 2005 Posts: 86 'Bolter | | 'Bolter Joined: May 2005 Posts: 86 | just curious, but are the pushrods for a 235 using HYDRAULIC lifters hollow inside to allow oil to reach the upper rocker arm ball, just as they are on the small block chevy motors, or are the pushrods completely solid?
Mike
1951 Chevy 1/2 ton w/ 1959 235
1971 Chevelle
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#70676 12/27/2006 7:50 PM | Joined: Jul 2004 Posts: 5,708 'Bolter | | 'Bolter Joined: Jul 2004 Posts: 5,708 | archburycontrol,
I'm pretty sure they are the same as the solid lifter versions...solid. The rocker assembly is the same on both models, so that means the lube for the rockers is still pumped from a source to the center oiler, through the shafts and out the little drip holes in the bottom (gravity).
I think other than the shaft oiling, all other points are lubed by the 'incidental mist' method.
Stuart | | |
#70677 12/28/2006 5:16 AM | Joined: Oct 2001 Posts: 3,458 Extreme Gabster | | Extreme Gabster Joined: Oct 2001 Posts: 3,458 | The top end of all 235's is splash and drip oil lubed. The oil comes out of the rocker arm bearings and kind of drips along the shaft and into the cup on the end of the rocker arm, then runs down the shaft and into the lifter gallery. You can run a 235 with no valve cover and see it in action. There's plenty of oil up there.
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