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Originally Posted by screamingchief
But the best of the bunch is likely the AFR LT-1/LT-4 heads,real nice,and tons more potential beyond the others.
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Can you site any sources that back that up? I'm not trying to be a smart ass or anything, I am curious because I cannot find anything that indicates any of the aftermarket LT1/4 heads are better than the factory castings. I'm beginning the process of upgrading my LT4 and can't find any information other than flow numbers. From what I've seen on flow numbers, the factory LT4 castings can easily match ported AFR LT4's. Maybe I'm not looking in the right place? Thanks for the help.