Why not? If you have more knowledge, spill it!
What "other product"? Gear Vendors? hardly garbage, but not the best solution for everyone either.
Read the whole thread, it's pretty clear to everyone else. He spent six grand, received a transmission that won't stay in 4th, and got the run around for a year.
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I had 3.23's behind an A833 years ago (mild 383), and it worked fine.