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Sorry to wake this thread up from the dead but....
The 501 is a mild cam that will have no problem passing emissions with a tune. I drove a stock caprice other than the cam, heads, and headers. It was a monster on the freeway.
The 501 is a mild cam that will have no problem passing emissions with a tune. I drove a stock caprice other than the cam, heads, and headers. It was a monster on the freeway.
