update.
Quote:
you provided 7.800 pushrods which is stock length for LS7
these aftermarket heads are taller than the LS7 so we had to measure for Zero lash on our measurements we got a 7.950 so we ordered 8.050 pushrods to give us .100 preload usually the pushrods measure out on the shorter side so i was hoping we would be around the .080-.085 preload but these pushrods measured long so we ended up a little heavier than i wanted closer to .115-.120 preload we can always order up a set of 8.025 that would get us back to below .100 preload witch is where i was hoping to be at
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so next step is get to less preload using shorter pushrods.
We will also try to fix the problem of steering column hitting the headers... we will try both via releasing the top bolt and by shimming engine mounts (if push come to shove).