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Good modifications for a 3.7??

14K views 102 replies 18 participants last post by  Scottina06 
#1 ·
Ok, so I have the puny little 3.7 baby engine. I just installed the Powerwire from Airram.com last week, and now I'm addicted to speed. I wish that I had the hemi or atleast a 4.7, but I don't and I'm stuck with this 3.7 so I want to try to maximize the power in my rig. I honestly do not know a whole lot about engines so I would like to hear everyone's input on the best performance modifications I could do. I'm not looking to spend thousands of dollars though, so keep it thrifty. CAI? Exhaust? Spark plugs? Jetchip? which ones? etc. Thanks.
 
#2 · (Edited)
Ok, so I have the puny little 3.7 baby engine. I just installed the Powerwire from Airram.com last week, and now I'm addicted to speed. I wish that I had the hemi or atleast a 4.7, but I don't and I'm stuck with this 3.7 so I want to try to maximize the power in my rig. I honestly do not know a whole lot about engines so I would like to hear everyone's input on the best performance modifications I could do. I'm not looking to spend thousands of dollars though, so keep it thrifty. CAI? Exhaust? Spark plugs? Jetchip? which ones? etc. Thanks.

^^^^Ditto. So far I've just done appearance mods. I'll soon start some performance mods. The srt wheels were a good start... :thumbsup:
 
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#5 ·
Oh only 5 boxes of ziti....I can afford that....

What does having the computer tuned do? and how do you go about doing it?
 
#8 ·
I've heard that in order to maximize the full power of the intake you need to really open up the pipes which means getting a new exhaust/catback system. How much truth is behind that? Will it really make a difference?

Also, can someone explain to me what a Jetchip it and what it does. Thanks.
 
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#20 ·
Hrm, First things first, I really should stop browsing this site, I'm just being broke thinking about all the stuff I need to do. HAHA.



That sounds like something I would like, I just want a little more roar in the Jeep. Plus I feel like I'm slower since I have 2 chrome bars on both the front and the back, and looking to put the side nerf bars sooner or later. So you say around 400? For everything? And can you elaborate more on this muffler system you were talking about. Greatly appreciate it.

Also, I took the notion of adding the 3.7L in the sig. I hope you guys didnt' mind. :cool:
 
#11 · (Edited)
Lets do it Irf...:thumbsup: LOL I wish I could just do an engine swap.
 
#13 ·
:wtf:What????? And turn your back on the 3.7l squad.
 
#15 ·
Yeah I hear ya. Give me like another 3 years and I'll either trade in for a 6.1 or keep the 3.7 and get a G37 coupe or 3series coupe or something
 
#17 ·
I wish I could drop the 8.3l dodge srt10 engine in mine and keep the 3.7 badges on it. Make it a sleeper. LOL
 
#23 ·
Well having a 08 3.7 jgc. I have to say not much can we do. But To save money I went with a universal intake from advanceautoparts. Paid like 60ish bucks. Upgraded to a bigger apc filter. I can def. say I can tell a big difference above 20mph. Not to mention better throttle response and increased mpg. I want to do alot to it but have to put it on hold cause closing on a house.
It sounds mean at higher rpms also.
 
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