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Message: [QUOTE="TooManyToys, post: 1529272, member: 30841"] No real need to review them. Again, thanks for giving me the values you use on your engine builds. I'm going to go back to my motor and install standard rate springs to see if my checks come out close to Colts numbers. As I said earlier, years ago I tried the light springs and my numbers were a little off, showed too tight. And maybe that's were these sweeps are off. You mentioned people putting motors together and never checking clearance. It may be for the average guy the methodology is too involved to get their head around. Hey, I've having a hard time here and I've done it before decads ago. But I'm more of a numbers guy, give me a spec and I'll run with it. In that vein, I took your numbers and Colts comments and tried making up a calculation that might work for those people. I rather have it this way too. Your building motors for customers in a safe way, and that's how I would do it too. In fact, plugging my numbers in with the FelPro gaskets, there's a couple of valve locations I need to get to for a 0.051 factor, and that's where I'll go. Anyone who may want to use this, it's an unproven calculation but I believe it would work, but only for this camshaft. And you still need to know what your piston protrusion and what every valve recession value is. On another note, in the current market have you had experience with Melling valves? I got one intake valve to check in these heads. Slightly different tulip head, 2 grams lighter. [/QUOTE]

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