Quote:
Originally Posted by Formula8
Not sure if that was directed at me but (1) most gear heads have a tendency to up their game over time. I am no different and my new motor is built with serious overkill with this in mind. My block was on the stand and I was deburring the valley so the timing was right to add a brace. I threaded my lifter bores for restrictors too although I have no current need for them. Either of these modifications would be a pain in the ass on an engine while it was assembled and sitting in your car. (2) There is a member on this board with exactly the same cam and lifters I am running who cracked a lifter bore. I don't know if he wants to chime in but again, the cost of the fix (new block with all of the attendant machine work, cam, lifters at a minimum) is several magnitude the cost of preventing failure. And the irony is that if you did have a failure and had to do it all over again. I am 100% sure you would buy a lifter brace for your new motor anyway.
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Is your handle "64 Speed"? In most cases, a lifter bore brace is really isn't needed for a NORMAL street engine(under 450hp), Will I install one in the 3" main 421 I'm planning to build? Absolutely, but we're talking a mechanical roller cam.