jk unlimited with 6.1 srt8 engine anybody? please take 2 minutes and comments
08-02-2011, 07:32 PM
#1
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jk unlimited with 6.1 srt8 engine anybody? please take 2 minutes and comments
i have buy the engine and have at my home, but i will put that engine only this winter.... i want to know from people that have already do the conversion about everything, cops, aev or burnsville, how hard it is to do the conversion, what tranny you use, what gear and tire you have, the feeling, the performance, the mpg.... everything you can tell to me will be really appreciate!!! thank you everybody
08-02-2011, 07:58 PM
#2
JK Junkie
Im not sure what your local laws are but the engine needs to be newer than your jeep here in CA for it to be smogged. The 5.7 will bolt to a stock 6-speed. I don't know about the auto, and if it's strong enough to hold up. If you don't have a rubicon tcase you'd need an atlas as well. Hope this gets you started.
08-02-2011, 08:11 PM
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i have a rubicon, and he is auto, the conversion company tell to use a dodge ram 1500 tranny. i live in Québec Canada and here it doesn't have any law about engine year for our swap so this is not a problem for me here. thanks buddy
08-02-2011, 08:13 PM
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You will need a 545 5 speed auto transmission (you can find them with low miles in salvage yards). And a bunch of other parts. Power steering pump, alternator, starter, air conditionig compressor, etc. I used the AEV kit, not sure if it is best.
08-02-2011, 08:16 PM
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my friend have a salvage yard, so it will be cheap for me to buy that tranny. i think i will go with burnsville, but i wait for impression about owner. how you like your jeep now with a hemi inside? and wich one you have, 5.7 or 6.1?
08-02-2011, 08:22 PM
#6
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I have a 5.7 with the 6.1 srt8 cam. I would do it again in a heartbeat! the fun factor went from 5 to a 9. It ends up costing alot of money though!
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08-03-2011, 07:51 AM
#8
JK Super Freak
Agree on the fun factor. Two years later, no regrets.
This guy did it at home;
https://www.jk-forum.com/forums/show...emi-Conversion
Burnsville installation guide is online here (put the W's together);
w w w.scribd.com/doc/46979740/BOR-Hemi-Installation-Guide
I am still on stock drive train, tire height, no lift. Get between 13 mpg in 4wd winter rural driving to 17 expressway on flat terrain. Thats burning 93 octane.
You will break stuff even no lift/stock tires unless your careful in 4-lo. However, I have found it will go through sand,mud, and deep snow with little effort in hi range that required low range before.
The 545 tranny is not an ideal match for the 6.1, which came with the A580 behind it. However, unless you put a manual in, far as I know the 545 is all that is available with a conversion PCM. With the AEV computer anyways, there is a slight mismatch between the auto shifting at ideal 6.1 RPM/torque range at low speed. Very minor on mine, but I am stock with 4.10 gears. Others have complained about it being more pronounced. I suspect they might have had taller tires or gearing. Maybe Burnsville has better PCM tuning of the 6.1/545 shift points.
All that said, it is very streetable. It is a joy to tool along at 60, and for me, does fine for my mild offroad needs.
Be warned, if you nail it your passenger may leave finger imprints in the front grab bar. The 6.1 spins up fast and pulls hard.
This guy did it at home;
https://www.jk-forum.com/forums/show...emi-Conversion
Burnsville installation guide is online here (put the W's together);
w w w.scribd.com/doc/46979740/BOR-Hemi-Installation-Guide
I am still on stock drive train, tire height, no lift. Get between 13 mpg in 4wd winter rural driving to 17 expressway on flat terrain. Thats burning 93 octane.
You will break stuff even no lift/stock tires unless your careful in 4-lo. However, I have found it will go through sand,mud, and deep snow with little effort in hi range that required low range before.
The 545 tranny is not an ideal match for the 6.1, which came with the A580 behind it. However, unless you put a manual in, far as I know the 545 is all that is available with a conversion PCM. With the AEV computer anyways, there is a slight mismatch between the auto shifting at ideal 6.1 RPM/torque range at low speed. Very minor on mine, but I am stock with 4.10 gears. Others have complained about it being more pronounced. I suspect they might have had taller tires or gearing. Maybe Burnsville has better PCM tuning of the 6.1/545 shift points.
All that said, it is very streetable. It is a joy to tool along at 60, and for me, does fine for my mild offroad needs.
Be warned, if you nail it your passenger may leave finger imprints in the front grab bar. The 6.1 spins up fast and pulls hard.
Last edited by Yankee; 08-03-2011 at 08:10 AM.
08-03-2011, 08:03 AM
#9
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Agree on the fun factor. Two years later, no regrets.
I am still on stock drive train, tire height no lift. Get between 13 mpg in 4wd winter rural driving to 17 expressway on flat terrain. Thats burning 93 octane.
You will break stuff even no lift/stock tires unless your careful in 4-lo. However, I have found it will go through sand,mud, and deep snow with little effort in hi range that required low range before.
The 545 tranny is not an ideal match for the 6.1, which came with the A580 behind it. However, unless you put a manual in, far as I know the 545 is all that is available with a conversion PCM. With the AEV computer anyways, there is a slight mismatch between the auto shifting at ideal 6.1 RPM/torque range at low speed. Very minor on mine, but I am stock with 4.10 gears. Others have complained about it being more pronounced. I suspect they might have had taller tires or gearing. Maybe Burnsville has better PCM tuning of the 6.1/545 shift points.
All that said, it is very streetable. It is a joy to tool along at 60, and for me, does fine for my mild offroad needs.
Be warned, if you nail it your passenger may leave finger imprints in the front grab bar. The 6.1 spins up fast and pulls hard.
I am still on stock drive train, tire height no lift. Get between 13 mpg in 4wd winter rural driving to 17 expressway on flat terrain. Thats burning 93 octane.
You will break stuff even no lift/stock tires unless your careful in 4-lo. However, I have found it will go through sand,mud, and deep snow with little effort in hi range that required low range before.
The 545 tranny is not an ideal match for the 6.1, which came with the A580 behind it. However, unless you put a manual in, far as I know the 545 is all that is available with a conversion PCM. With the AEV computer anyways, there is a slight mismatch between the auto shifting at ideal 6.1 RPM/torque range at low speed. Very minor on mine, but I am stock with 4.10 gears. Others have complained about it being more pronounced. I suspect they might have had taller tires or gearing. Maybe Burnsville has better PCM tuning of the 6.1/545 shift points.
All that said, it is very streetable. It is a joy to tool along at 60, and for me, does fine for my mild offroad needs.
Be warned, if you nail it your passenger may leave finger imprints in the front grab bar. The 6.1 spins up fast and pulls hard.
Love that last sentence make me put more money in the HEMI fund
