Help me choose a cam for my 5.3
10-11-2010, 10:17 PM
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Help me choose a cam for my 5.3
Hey guys I posted this over on LS1 tech and didnt get much of a response so maybe someone over here can help me. Im building a 99 wrangler with a 5.3 and I need help choosing a cam. I had the heads milled .035 and the truck is going to have a full exhaust, stock intake manifold, and a k and n filter. Basically a bolt on 5.3. I want something with a little lump but keep in mind this is going in a jeep not a race car, so it has to make some good low end power too. Comp cams makes a Sh*t ton of different cams and i can seem to pick one, not to mention a few other aftermarket companies make some nice stuff too. I guess basic requirements are power under 2k rpms and no more than say 6400-6500 rpms. Gas milage is no matter and sound is a must, this is not a DD so I want to know its not stock. Thanks for the replies and wish me luck with this thing lol.
10-13-2010, 11:20 AM
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Comp Cams XR265HR, the most recommend torque cam in a 5.3. 212/218 .522/.529 114LSA. Go with a 112 LSA if you want a little lope, which will also lower the powerband a little more yet. This cam is strong on the bottom, and pulls way harder up top than stock.
With that said, you might do better with a slightly larger cam in a vehicle as light as a Wrangler. Will this be a manual or automatic? If automatic, the torque converter is a huge piece of the puzzle.
With that said, you might do better with a slightly larger cam in a vehicle as light as a Wrangler. Will this be a manual or automatic? If automatic, the torque converter is a huge piece of the puzzle.
10-13-2010, 06:41 PM
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10-13-2010, 07:47 PM
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Thanks guys, yeah the truck is a 5 speed with 4.10s and only 31's so an that's plenty for a decently big cam. The texas speed 220/220 seams like a good way to go. I milled the heads .035 so compression should be about 10 to 1 now. That with the texas speed cam, a full exhaust with shorties and a k and n intake should net me close to 350 at the crank right? This Jeep was moving along quite well until I decided to open the motor lol. Can not wait until it is done. Anyone got any sounds clips of some nice 5.3 with a decent cam?
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