Quote:
Originally Posted by charlie66
Man, I hope I didn't make a big mistake buying this cam. I thought I knew what I was doing. So, the Jonsons will be able to handle this aggressive lobe ok without worries you're saying? I'm wondering if I need a less aggressive cam now.
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On a less aggressive cam I would have suggested solid rollers and not looked back. I have 3 cars set up that way.
The HLJ’s can rev well past 6, they just quit making power and loose valve control with aggressive cams like your cam just past 6. Johnson’s have slightly better valving and similar leak down rates, and seem to rev a bit higher with the same set up. I have HLJ’s on a couple of my engines and shift at 6k. They are done at 6k, and have rev limiters at 6, so what happens after that really doesn’t matter.