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Old September 19th, 2019, 09:15
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cal cal is offline
NAXJA Warranty Voider
Join Date: Nov 2004
Location: Hammertown, USA
Posts: 17,550
Re: 4.7 stroker, whatchu got?

We thought for a while that it may be a lifter issue, but it doesn't appear to be.

Then we thought the extra spring pressure of the LS valve springs + the added rocker ratio may be causing lifter bleed down, but at this point we're pretty sure that's not it either.

We have some other theories, but its premature. Ask me in a few weeks.
I'm not a complete idiot - there are parts missing.
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