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Author Topic: Post your efi/4.0 swap conversion questions here  (Read 22782 times)

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Offline ericarmstrong

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Re: Post your efi/4.0 swap conversion questions here
« Reply #30 on: April 13, 2011, 12:43:03 AM »
Have you gotten a chance to check out the eaglepedia write ups?
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Offline tougeagle

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Re: Post your efi/4.0 swap conversion questions here
« Reply #31 on: April 13, 2011, 12:57:03 AM »
Quote from: shanebo on April 13, 2011, 12:25:17 AM
Thats a load of my mind!!! Thanks!!!

Should I try to find a jeep with a standard tranny for my computer to avoid the excess wiring the automatic will have?....Sorry Im so full of questions...Im venturing into uncharted territory ;D


There really isn't much extra wiring for an auto harness, i think it's just a neutral safety switch and that's it, two wires. The computer module for the tranny, along with wiring is separate. The AW4 is computer controlled, using that module. The VSS wiring will be included in the engine wiring. If you plan to stick to an auto, keep the other set of wires that is shielded in with the VSS, that's for the (correct me if I'm wrong on the name) transmission speed sensor, which works a little bit differently. I still have the sensor in my transfer case, it came from an automatic Grand Cherokee.
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Offline mudkicker715

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Re: Post your efi/4.0 swap conversion questions here
« Reply #32 on: April 13, 2011, 01:10:05 AM »
Problem lies with connecting the hydraulic metering rod. Should be a know brainer,  but not sure.
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Offline tougeagle

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Re: Post your efi/4.0 swap conversion questions here
« Reply #33 on: April 13, 2011, 01:20:20 AM »
Quote from: mudkicker715 on April 13, 2011, 01:10:05 AM
Problem lies with connecting the hydraulic metering rod. Should be a know brainer,  but not sure.
Hydraulic metering rod?
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Upcoming 1982 Wagon "The Silver Bullet"
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2007 Ram 2500 6.7 Cummins 6 speed 600+hp/1400+tq fully deleted
1998 Honda Civic "the hoopdy"

What's your 'sona?

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Offline mudkicker715

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Re: Post your efi/4.0 swap conversion questions here
« Reply #34 on: April 13, 2011, 01:47:33 AM »
Its what some incorrectly call the kickdown. It controls pressure thatis given to internals. Not exactly when to downshift.

If its not used you will find out you wish it was.
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Offline tougeagle

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Re: Post your efi/4.0 swap conversion questions here
« Reply #35 on: April 13, 2011, 02:12:22 AM »
Quote from: mudkicker715 on April 13, 2011, 01:47:33 AM
Its what some incorrectly call the kickdown. It controls pressure thatis given to internals. Not exactly when to downshift.

If its not used you will find out you wish it was.

Ahh.... Though I have a distain for automatics that will be with me for quite some time, I still have to learn about them at some point, because I've already worked on a few :P
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Upcoming 1982 Wagon "The Silver Bullet"
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2007 Ram 2500 6.7 Cummins 6 speed 600+hp/1400+tq fully deleted
1998 Honda Civic "the hoopdy"

What's your 'sona?

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Offline shanebo

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Re: Post your efi/4.0 swap conversion questions here
« Reply #36 on: April 23, 2011, 10:52:46 PM »
Hey Toug what, in your opinion, is a fair asking price for a used 4.0 cylinder head? Im finding a rather wide range of prices at these junk yards.
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Offline shanebo

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Re: Post your efi/4.0 swap conversion questions here
« Reply #37 on: April 23, 2011, 11:00:56 PM »
Oh yeah I was also going to ask ya ;D...are Siemens fuel injectors good...I found a set for a descent price. I also found some Bosch..Both are pretty close in price....is one better than the other?
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Offline tougeagle

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Re: Post your efi/4.0 swap conversion questions here
« Reply #38 on: April 24, 2011, 01:00:19 PM »
Quote from: shanebo on April 23, 2011, 10:52:46 PM
Hey Toug what, in your opinion, is a fair asking price for a used 4.0 cylinder head? Im finding a rather wide range of prices at these junk yards.
You shouldn't have to pay more than 100 for one...
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Upcoming 1982 Wagon "The Silver Bullet"
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2007 Ram 2500 6.7 Cummins 6 speed 600+hp/1400+tq fully deleted
1998 Honda Civic "the hoopdy"

What's your 'sona?

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Offline tougeagle

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Re: Post your efi/4.0 swap conversion questions here
« Reply #39 on: April 24, 2011, 01:01:41 PM »
Quote from: shanebo on April 23, 2011, 11:00:56 PM
Oh yeah I was also going to ask ya ;D...are Siemens fuel injectors good...I found a set for a descent price. I also found some Bosch..Both are pretty close in price....is one better than the other?
I don't have experience with siemens, just bosch. Just make sure their impedance is around 14-14.7 ohms, which is typical of most vehicles.
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Upcoming 1982 Wagon "The Silver Bullet"
Goals: 550hp/600tq 4.5L EFI Turbo Stroker, Tremec 6 speed manual
2007 Ram 2500 6.7 Cummins 6 speed 600+hp/1400+tq fully deleted
1998 Honda Civic "the hoopdy"

What's your 'sona?

A dream car does not have to be beautiful in the eyes of others, it's not theirs.

Offline eaglefreek

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Re: Post your efi/4.0 swap conversion questions here
« Reply #40 on: April 24, 2011, 02:05:08 PM »
I believe Siemens are the oem injectors, Bosch would be an upgrade. http://www.youtube.com/watch?v=41w3sX2Pifs I plan on getting my injectors for my swap from the guy in video. http://fuelinjectorconnection.com/shop/index.php?_a=viewCat&catId=64
« Last Edit: April 24, 2011, 02:25:14 PM by eaglefreek »
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Offline shanebo

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Re: Post your efi/4.0 swap conversion questions here
« Reply #41 on: April 24, 2011, 08:04:35 PM »
ok I got another question...suprise, suprise ;D...Ive got no engine to look at for reference  right now and my memory sucks...Where is the crank position located on these cars....and will I have to change anything to to install the 4.0's sensor.
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Offline mudkicker715

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Re: Post your efi/4.0 swap conversion questions here
« Reply #42 on: April 24, 2011, 08:20:28 PM »
Easily located on the drivers side top of tranny.
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Offline tougeagle

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Re: Post your efi/4.0 swap conversion questions here
« Reply #43 on: April 25, 2011, 02:45:31 AM »
Quote from: shanebo on April 24, 2011, 08:04:35 PM
ok I got another question...suprise, suprise ;D...Ive got no engine to look at for reference  right now and my memory sucks...Where is the crank position located on these cars....and will I have to change anything to to install the 4.0's sensor.

as mudkicker said, and for 4.0 jeeps. Our vehicles do not use a crank sensor. If you're sticking with autotragic, there is a writeup somewhere as to how to modify the bellhousing of the stock eagle tranny to accept a crank sensor. Otherwise, if you're using a jeep tranny/bellhousing, you don't have to change anything other than that, the sensor bolts up. There are two different sensors, one for auto and one for manual.
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Upcoming 1982 Wagon "The Silver Bullet"
Goals: 550hp/600tq 4.5L EFI Turbo Stroker, Tremec 6 speed manual
2007 Ram 2500 6.7 Cummins 6 speed 600+hp/1400+tq fully deleted
1998 Honda Civic "the hoopdy"

What's your 'sona?

A dream car does not have to be beautiful in the eyes of others, it's not theirs.

Offline shanebo

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Re: Post your efi/4.0 swap conversion questions here
« Reply #44 on: May 04, 2011, 12:52:12 AM »
Hey Toug, I met a guy whos parting out a 93 jeep. unfortunatly someone has called dibs on the heads and manifolds...but the ECM is is there. The jeep has 300,000+ miles. Do ya think it would yeild a descent ECM or should I try to find one with less hours on the computer
Thanx
shane
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