Quote:
Originally Posted by mike657894
I have a diamond on my block and no serial ill have to check my casting number. i had noticed a couple hardened seats but it didnt look like all were hardened but i may need to look closer. And how different is this B cam. my cam has very pointy lobes with no duration.
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Model A and B cams are both very pointy, unlike most of todays cams. It's a good thing the springs aren't as strong as what's used on most of todays engines, or those cam points would wear away very quickly. Give me back my zinc in the oil.
