I think you will be happy with the choice, after all it's a recomendation from comp on what to use and 3 out of 5 techs back up the choice made by the manufacture. I have used Comp and the cam help line a few times and have been very happy every time. Other times I just went with the 268H and been happy also.
Since your doing the entire engine and heads look into a comp K-Kit one for the 270 from Summit runs about $280.00 and includes cam,lifters,timing set,valve springs,steel retainers,valve locks and valve stem seals.
All matched parts designded to work together.
"If you can leave black marks on a straight from the time you exit a corner till the time you brake for the next turn.......
Then, you have enough horsepower."
My 67 Camaro Time Line
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