yellow rose said I just did a street tunnel ram. The owner says he will NEVER go back to a single 4. What has him excited is the bottom end with the TR. If you do a TR correctly, and IF you buy a cam just for it, and IF you are willing to tune it, the payoff is gold. If you don’t want to do that, the TR isn’t for you. The BS about the TR being high RPM is just that. BS. Click to expand...