228/228
#6
You can run a 239/246 cam in a 5.3, but should you? Just because you can, don't mean you should.
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#9
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Joined: Sep 2006
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From: Colorado Springs, Co/ Central, Ca
It would work ok but you would prob turn a better time at the track with something in the lower 220's like you have. A 220 cam is hard to beat in the 5.3L. Id want at least 4200 rpm flash with the 228 cam. On n20 the instant tq would prob fix it. Something like a Custom Isky 221/227/112 would work a little better with that combo IMO. The short split will help with the n20 and not kill the NA tq like a dedicated n20 cam.