<div class='quotetop'>QUOTE(farmtruc &#064; Jan 25 2006, 10&#58;15 PM) [snapback]42288[/snapback]</div>
What gears, tires, trans do you have?
The 224 is a nice cam and will pull great from 2800rpms to 6500rpms.
To take advantage of the cam, you&#39;ll definitely need a tune. If not, your truck will be shifting at the stock rpms, idle will be fussy, and the truck will down on power.
Plus, you&#39;ll need a tune to take care of vats, accessories, etc.
Expect about 50hp at the flywheel from that cam in a stock 6L.

good luck,

allen
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3.72 gears, and built 4L60E. Could you do a tune for me if i send you the PCM?