How to check pushrod length..solid lifter and adj rockers
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TECH Junkie
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From: East Brady, Pa
How to check pushrod length..solid lifter and adj rockers I need to figure out what pushrods I need. I've read how to figure out what size I need but what preload do I figure in for morel solid lifters? All the posts I could find were on hyd lifters. Also when I measure should I get the measurements with my rocker adjusters in the middle of their range?
Contact Chris Straub on the amount of preload for the solids. As for measuring, what I did was adjust the rocker (I am using Cranes) on the head to get the best wipe pattern. I found that I could measure the depth from the top of the adjusting nut to the stud and use that as a gage very consistantly. I then figured a range of stud depth measurements that provided an acceptable wipe pattern. Then when I did the pushrod measurement on the car with the lifter, I could figure out what length I needed to put me in the correct stud depth range once adjusted. Hope this makes sense, what rockers are you using?
Thread Starter
TECH Junkie
iTrader: (71)
Joined: Mar 2002
Posts: 3,703
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From: East Brady, Pa
Just got done measuring and I'm coming up with 7.825 length. That seems aweful long to me. What I did was put a stock pushrod in the head, turn the engine over until the pushrod was down the whole way(base circle...right??) then used my pushrod checker. I did this on cylinder 1 on both valves and got the same measurement. I'm using heads with a ton of custom work and .140 worth of shims under the T&D rocker stands. I'm also using Lash caps. I'm just looking for some reassurance that I did everything correctly.
