Quote:
Originally Posted by Vettezuki
This is all I've found. It's not the lifter so much but people just plain configuring their valve train wrong. How many LS7 lifters fail in stock LS7s after even many hard miles? Not many that I'm aware of. The max lift on a stock LS7 is like .590~ and they spin up to 7k.
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Those lifters are paired with a measly 100lb valve spring, make sure that is noted. Lifters, are paired to spring pressure, as noted in my earlier post.