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-   -   what is nutter bypass?? (http://www.wranglerforum.com/f218/what-is-nutter-bypass-140560.html)

screech1 02-18-2012 04:19 PM

what is nutter bypass??
 
is it just for the 4.2? i have been hearing about it and how great it is but i cant find out any more info.

is it just for 4.2 or is there something similar for the 2.5? im a noob, so might be a stupid question. just need to help my 2.5 with anything that will boost the performance. thanks. anyone point me to a thread with more info or a DIY

Nickabis 02-18-2012 04:43 PM

It is just for the 4.2, it's for the carb. What year is your Jeep?

The newer 2.5 with multi port injection, you can swap in the 4.0 throttle body, bigger injectors, add a electric fan and get rid of the clutch fan, a good header/ exhaust system, full tune up. The other thing is to re gear your axles.

The older 2.5 with throttle body injection, what I have, there's not much but the e fan, exhaust system, and tune up.

How this helps!

screech1 02-18-2012 06:52 PM

Quote:

Originally Posted by Nickabis (Post 2046386)
It is just for the 4.2, it's for the carb. What year is your Jeep?

The newer 2.5 with multi port injection, you can swap in the 4.0 throttle body, bigger injectors, add a electric fan and get rid of the clutch fan, a good header/ exhaust system, full tune up. The other thing is to re gear your axles.

The older 2.5 with throttle body injection, what I have, there's not much but the e fan, exhaust system, and tune up.

How this helps!

yeah! i have a 89 2.5
im assuming its the old 2.5 that you talk about. so not much but the e fan, exhaust, and tune up?

Nickabis 02-18-2012 07:56 PM

Quote:

Originally Posted by screech1

yeah! i have a 89 2.5
im assuming its the old 2.5 that you talk about. so not much but the e fan, exhaust, and tune up?

I think that's all besides regearing or motor swap. From all the searching I've done, looking for more performance, it's all stuff on the multiport injection. I'm happy with my 2.5 but I'd like to be able to pass people while going up a hill. I do have an opportunity to buy a multi port injection system from a friend, I probably will do the swap so I can get bigger injectors and the 4.0 throttle body.

olbaid_83 02-18-2012 07:58 PM

2.5 and passing ppl up a hill are opposites. you can get a little more performance on them but if you want that kind of power look at a full swap as opposed to modding what you have

Nickabis 02-18-2012 08:09 PM

Quote:

Originally Posted by olbaid_83
2.5 and passing ppl up a hill are opposites. you can get a little more performance on them but if you want that kind of power look at a full swap as opposed to modding what you have

I agree, and I will be regearing at some point. I just don't have the funds or space right now to do a full motor/tranny swap. I can use my imagination to pass people. Whatever helps!

Lifted89 02-19-2012 08:12 PM

I have 4.2 5 speed in my 89. I have heard about nutter bypass but have not found a lot of instructional posts. Had jeep about a month and half. Finally getting to engine and some repairs. Anyone point me in direction for nutter bypass and what I should expect from it? Thanks in advance. If talked to death, I'm sorry.

Nubby55 02-20-2012 02:58 PM

JeepForum.com > Models > Jeep CJ Forum > How to - Nutter Bypass


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