What modifications have you done to your engine? - Jeep Compass Forum
 
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post #1 of 19 Old 10-19-2009, 09:54 AM Thread Starter
 
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What modifications have you done to your engine?

Just wondering what you guys have done, because maybe i can get some idea's Thanks
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post #2 of 19 Old 10-19-2009, 12:55 PM
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None for me and none expected in a near future except the beautiful paint job I did over the summer................

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post #3 of 19 Old 10-19-2009, 01:18 PM
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post #4 of 19 Old 10-19-2009, 03:35 PM
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K&N air filter, and a custom exhaust system, toss in a tower strut .....would be the basic changes.

Question for ya Compassed what do you think of Melbourne? I've been thinking of moving (for political reasons)


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post #5 of 19 Old 10-20-2009, 11:32 AM Thread Starter
 
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K&N air filter, and a custom exhaust system, toss in a tower strut .....would be the basic changes.

Question for ya Compassed what do you think of Melbourne? I've been thinking of moving (for political reasons)
Its a great place, wouldnt go anywhere else.
I live in a really great suburb and i love it!
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post #6 of 19 Old 10-20-2009, 06:00 PM
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I've done a K&N CAI, custom exhaust. I'm thinking of doing the paint job that FFL did. I looked at a turbo install to make it an SRT4 but some parts aren't strong enough (in my opinion) to survive very long through that.

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post #7 of 19 Old 10-21-2009, 04:14 AM Thread Starter
 
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I've done a K&N CAI, custom exhaust. I'm thinking of doing the paint job that FFL did. I looked at a turbo install to make it an SRT4 but some parts aren't strong enough (in my opinion) to survive very long through that.
Would you consider an engine swap
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post #8 of 19 Old 10-21-2009, 04:47 AM
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Yeah, already thought of that one too. I'm still warranty on mine so it's out for now though. I thought a nice 3.7L with a Selec-Trac would make a nice swap. There's other considerations too though, the rear IRS might have to be swapped and the driveshaft would probably have to be changed too. It's all speculative at this point, but I've seen a guy put a frame under his unibody Cherokee so anything is possible. (In case you're wondering I base my parts off of the 2007 Jeep Liberty which is only 7mm wider than the compass making the swap more realistic. It also has a 6 speed, and I think all manual drivers agree that once you have five speeds you just want another gear.)

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post #9 of 19 Old 10-21-2009, 05:34 AM
 
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I looked at a turbo install to make it an SRT4 but some parts aren't strong enough (in my opinion) to survive very long through that.
They aren't. There's a guy over here in Germany that took the Cali RT's 4wd compnents and added them to his SRT4... Needless to say they didn't last long. He did 3 strong launches from a dig.... transfer case was shot and there was so much power going through it, that it twisted/sheared the heads of the rear halfshafts....

The worst part (at least for him) is that because was he did messed with the regualr tranny and drive components in the front end - the warranty didn't cover it....

He still claims that it was worth it for the "worlds first AWDCali"
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post #10 of 19 Old 10-21-2009, 08:24 AM Thread Starter
 
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Yeah, already thought of that one too. I'm still warranty on mine so it's out for now though. I thought a nice 3.7L with a Selec-Trac would make a nice swap. There's other considerations too though, the rear IRS might have to be swapped and the driveshaft would probably have to be changed too. It's all speculative at this point, but I've seen a guy put a frame under his unibody Cherokee so anything is possible. (In case you're wondering I base my parts off of the 2007 Jeep Liberty which is only 7mm wider than the compass making the swap more realistic. It also has a 6 speed, and I think all manual drivers agree that once you have five speeds you just want another gear.)
Would you have an idea about what type of engines would fit, maybe a V8
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post #11 of 19 Old 10-21-2009, 04:50 PM
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Well the 3.7 powertech is just the 4.7 powertech without 2 cylinders. It might fit but there might not be room for a radiator when it's in. The other consideration is weight, once you start doing that you might overload the unibody and you'll definately have to beef up the front end. Being a unibody it's not like you can just weld another mount to the frame and be on your way. The curb weight of the compass is the lowest of all the jeeps so once you stick the big engine in there you're going to end up with weight distribution problems with the back end. If it can be figured out and the 4.7 would fit, I reccomend the 4.7 maginum because if you're going through all that pain and suffering you may as well have the extra ponies.

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post #12 of 19 Old 10-21-2009, 10:01 PM Thread Starter
 
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thanks for the help i guess you are right, one more thing my compass is on 27,051km is it time for an oil change

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post #13 of 19 Old 10-22-2009, 12:17 AM
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I do an oil change every 5,000 but I do dirt roads, mud and a fair amount of city driving so I like to keep contaminants out as much as possible. As far as what you use it's really up to you. I've used synthetics, conventional and semi-synthetic. Right now I use a semi-synthetic due to cost. I just looked at my odometer and I'm at 17,600KM (10936Miles) and still have exactly 1 month to go before I reach the 1 year mark.

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Everyday as a child i used to pray to God to give me a jeep. After a couple of years i realized that God did not work that way. So i stole a jeep and asked for HIS forgiveness

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post #14 of 19 Old 10-22-2009, 03:05 AM Thread Starter
 
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I dont really drive my compass alot, since i got a company car ( i like to keep the compass like new). ive had it for 2 years and bought it as a demo model (11,00km on it) and only recently did i start driving it more, but i just get the feeling that i should give it in for servicing. What do you think
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post #15 of 19 Old 10-22-2009, 04:04 AM
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I would stick with the oil change schedule in the owners manual. I believe it's every 7000KM or 6 months which ever comes first. I believe the reason for the maintenance every 6 months is to get rid of water in the oil. I might be wrong though so if I am someone correct me.

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post #16 of 19 Old 10-22-2009, 04:12 AM Thread Starter
 
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yeah i think thats the best idea, just gotta get some cash on my hands
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post #17 of 19 Old 08-23-2010, 05:12 AM
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Well the 3.7 powertech is just the 4.7 powertech without 2 cylinders. It might fit but there might not be room for a radiator when it's in. The other consideration is weight, once you start doing that you might overload the unibody and you'll definately have to beef up the front end. Being a unibody it's not like you can just weld another mount to the frame and be on your way. The curb weight of the compass is the lowest of all the jeeps so once you stick the big engine in there you're going to end up with weight distribution problems with the back end. If it can be figured out and the 4.7 would fit, I reccomend the 4.7 maginum because if you're going through all that pain and suffering you may as well have the extra ponies.
Smokey do you even think it is worth all the pain to even do the 3.7 engine swap? or the money for the matter? It seems like it just seems more practical to buy a second project car and keep the compass as your daily driver.

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post #18 of 19 Old 08-23-2010, 09:33 AM
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if any engine should be considered for a swap it would be the SRT-4 caliber powerplant. Same engine just with a turbo and everything to make it run safe on boost. and its the same platform as the caliber. not that anyone will ever attempt an engine swap lol


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post #19 of 19 Old 08-28-2010, 08:58 PM
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I'd have to get some measurements for both engines but I think there would be so much extra work it might not be worth it. I don't think the transmission and drive train would be able to handle that much extra power either.

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