67/68/69 cuda dilemma
A little more research and it's a bit more aggressive cam than the melling SPD-22 68 340 cam I bought. Also found marks on the pistons where the exhaust valves and pistons smacked. Not sure if this was the result of too big a cam in a stock flat top piston equipped engine, or the original chain jumped time and they had a little valve smacking, and whoever owned it did a quick n dirty cam, lifter, and timing chain kit to it and kept driving it. I know this isnt the right way to check a cam, but I wanted to see how much taller the one lobe on the one we pulled out was at peak compared to what I bought. About .025" taller. Not sure how that equates to total lift. It will be going .030" over with KB167s it's currently a stock bore.
A little more research and it's a bit more aggressive cam than the melling SPD-22 68 340 cam I bought. Also found marks on the pistons where the exhaust valves and pistons smacked. Not sure if this was the result of too big a cam in a stock flat top piston equipped engine, or the original chain jumped time and they had a little valve smacking, and whoever owned it did a quick n dirty cam, lifter, and timing chain kit to it and kept driving it. I know this isnt the right way to check a cam, but I wanted to see how much taller the one lobe on the one we pulled out was at peak compared to what I bought. About .025" taller. Not sure how that equates to total lift. It will be going .030" over with KB167s it's currently a stock bore.
