am I beating a dead horse trying to make a 4x4 fast?
Mar 26, 2013 | 05:20 PM
#31
6.0 swap is the best thing i've done to my truck. I have a lifted Silverado on 37's with 4.56's and just about EVERYONE who rides in my truck is amazed by the torque it has. It's a little more than just a stock 6.0, but I still can't imagine a built 5.3 performing like this thing does.
Mar 26, 2013 | 07:22 PM
#33
i bought a set of ARH headers for my silverado and i f*&king love them. the owner of the shop is a stand up guy and amazing to deal with. if he made headers to fit my wifes acadia i would buy them just to do business with him again. hands down the best quality header and i didnt need to heat and beat them to get them in.
Mar 26, 2013 | 07:52 PM
#34
If it were me with a 170k 5.3. I would just throw a stock 01-07 6.0 pull out and some headers in there. LQ4's have gotten pretty cheap now that gen 4s are around. All of your accessories and transmission will bolt up to it. Especially since you don't want to switch gears. When thats not enough hp for you, then go ahead and start adding more hp.
4x4 definitely robs you big in a setup with low power but is the way to go imo for something with 500+ hp on street. I would jump straight to a 6.0L and run around a 220@.050 cam with good converter, and long tubes. That combo will run 12's if done correctly. I wouldn't bother with a worn out 5.3L in the 4x4. You will likely have lifter probs adding a cam with those miles + the better heads and tq of the 6.0L will make all the difference.
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