I'm curious to know who out there has an aftermarket engine. What size and why you chose that particular engine over the other options out there.
(I personally the stock engine, but am curious to see the variations people have)
Thanks
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I went with the 5.7 HEMI on my 2008 JKUR because:
1) I had a 3.8
2) AEV did a fantastic job with a very clean install
3) there weren't too many other choices
I then became frustrated with the inability to enhance performance on AEV's set up because they really had the programming locked down.
I also didn't like the big flat spot in the 545rfe 5 speed transmission
HEMIs make good power but you have to rev them up.
I then went with Motech's Crate 6.2 LS3 and 6L80 transmission
Much better power throughout the power and
Way better transmission
Also infinite ability to increase horsepower
Also only one bridge between GM and Chrysler on the engine harness
Much cleaner with no multiple splices / bridges
Overall the LS is much better for numerous reasons:
1) lighter and smaller (aluminum block)
2) more horsepower
3) ability to add horsepower numerous ways
4) way better transmission
5) much better torque curve
6) stays in gear way longer
7) better gas mileage
8) better / less expensive parts availability
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