$350 4g64 5 speed swap project started

Quote:

---

Originally Posted by Galantman03

Change out the entire harness.


Sent from my iPhone using Tapatalk

---

I'm going to have to. I had planned on swapping the engine harness, but then I realized the body harness doesn't have plugs for the clutch pedal sensors. So I went to swap that harness (which includes the front fuse box) and found that the abs wiring is supposed to go thru that one but the eclipse doesn't have abs. So I went to add the abs relay and harness to that harness only to find that the connection from that harness to the rest of the body harness behind the dash has different pin locations. So I guess I need to swap that final section of body harness behind the dash and hope the eclipse harness will reach all the 8g components in the car. Mainly my concern is if it will plug into the cluster.

Sent from my SM-G925T using Tapatalk

Found frayed wires that I had to fix

http://images.tapatalk-cdn.com/15/12...3c953449ef.jpg

Galant body harness plugs behind dash

http://images.tapatalk-cdn.com/15/12...0834fe1eae.jpg

Eclipse body harness plugs behind dash

http://images.tapatalk-cdn.com/15/12...5a0fe4f88c.jpg

The extra connection for the galant is abs. I removed the abs harness and got it ready to add to the eclipse wiring

http://images.tapatalk-cdn.com/15/12...f8398ed251.jpg



Sent from my SM-G925T using Tapatalk

If ABS on the Galant, your gonna have to get ABS axles that have the speed sensor ring you can try to R&R the rings from the V6 axles. Your gonna have to use the original V6 knuckle with the hole for the ABS sensors. If im correct the brakes on the 03-05 eclipses are the same as 2000-2003 V6 galants so you can use either or.

You don't have to have the entire harness, you can just change the engine portion and then cut and splice for power ect if needed. But many people haven't done what your doing. You'll get lost it will happen. What sucks is the manuals don't really lay out in detail what wire is for what. Or show you random connectors. As long as you haven't cut anything yet you should be good. The only think they you might have to cut is the starter ignition wires off if the main harness. It's been so long I can't remember what I all did and I moved my fuse box to the trunk as well. Just get it all into place label everything and then back track from galant harness to eclipse harness


Sent from my iPhone using Tapatalk

Quote:

---

Originally Posted by oakrdrs187

If ABS on the Galant, your gonna have to get ABS axles that have the speed sensor ring you can try to R&R the rings from the V6 axles. Your gonna have to use the original V6 knuckle with the hole for the ABS sensors. If im correct the brakes on the 03-05 eclipses are the same as 2000-2003 V6 galants so you can use either or.

---

The axles the eclipse came with have giant tears in the boots and were ran dry for a long time, so I'm replacing them. I'm leaving the galant spindles on, so I'll still have the speed sensors. I'm buying axles for a 4g64 8g with abs. They have 43 teeth on the ring just like the 6g72 axles do, so it'll work fine.

Sent from my SM-G925T using Tapatalk

Quote:

---

Originally Posted by Galantman03

You don't have to have the entire harness, you can just change the engine portion and then cut and splice for power ect if needed. But many people haven't done what your doing. You'll get lost it will happen. What sucks is the manuals don't really lay out in detail what wire is for what. Or show you random connectors. As long as you haven't cut anything yet you should be good. The only think they you might have to cut is the starter ignition wires off if the main harness. It's been so long I can't remember what I all did and I moved my fuse box to the trunk as well. Just get it all into place label everything and then back track from galant harness to eclipse harness


Sent from my iPhone using Tapatalk

---

What about the "front ecu" that's in the front fuse box? Are there any differences in those from auto to manual? And no, I haven't cut anything yet.

Sent from my SM-G925T using Tapatalk

http://images.tapatalk-cdn.com/15/12...8c50b29b94.jpg

http://images.tapatalk-cdn.com/15/12...4fe60e495f.jpg

Thats the front ecu I'm talking about. The 2 I have are different part numbers. I feel like I need to use the one from the 3g, but I'm not sure

Sent from my SM-G925T using Tapatalk

Front ECU?

That's just basically a main relay.

Great stuff bro keep up the spirit

Sent from my SCH-I545 using Tapatalk

Okay so I figure that even if I figure out the wiring, I won't know for sure that it's right until I attempt to start the engine and drive. So I decided to start installing the engine and trans. First the sub frame has to go in tho. The bolt patterns are identical. The 8g 6g72 frame bolts up in the exact same location as a 3g 4g64 frame. So far so good. I kept lifting it up and against the frame, only to get stuck on something. Come to find out, the 3g frame comes up higher than the 8g frame. So I'm left with about a 2 inch gap

http://images.tapatalk-cdn.com/15/12...7943d3e110.jpg

Sent from my SM-G925T using Tapatalk

The frame is tilting down and forward when I took that picture, nothing is bent. It's kind of hard to see but you can zoom a bit and see the gap I'm talking about

Sent from my SM-G925T using Tapatalk

It's because the body on the 4 cylinder cars has an extension welded in place there. You'll see exactly what I'm talking about when you go back to the car that you pulled the 4 cylinder subframe out of.

It isn't a 3g vs 8g difference, but rather an i4 vs v6 difference.

Quote:

---

Originally Posted by M-Rod

It's because the body on the 4 cylinder cars has an extension welded in place there. You'll see exactly what I'm talking about when you go back to the car that you pulled the 4 cylinder subframe out of.

It isn't a 3g vs 8g difference, but rather an i4 vs v6 difference.

---

So if I weld an extension on, the engine won't be sitting too low in the engine compartment? I was thinking it would be easier to make the 4g64 mount into the 6g72 frame, rather than putting in extensions. The front and rear mounts look to be in the exact same spots

Sent from my SM-G925T using Tapatalk

All you'll essentially need is something to fill the gap, and you're all set.

Quote:

---

Originally Posted by M-Rod

All you'll essentially need is something to fill the gap, and you're all set.

---

That shouldn't be tough. I'll figure something out then

Sent from my SM-G925T using Tapatalk

Quote:

---

Originally Posted by M-Rod

It's because the body on the 4 cylinder cars has an extension welded in place there. You'll see exactly what I'm talking about when you go back to the car that you pulled the 4 cylinder subframe out of.

It isn't a 3g vs 8g difference, but rather an i4 vs v6 difference.

---

It's definitely a difference in sub frames. The vehicle frames are different

8g:

http://images.tapatalk-cdn.com/15/12...583ee1b831.jpg

3g

http://images.tapatalk-cdn.com/15/12...fdbdd5d26d.jpg

I would have to put 6 spacers in, and then I'm pretty sure the engine would be sitting too low to reach the passenger side engine mount and transmission mount

Sent from my SM-G925T using Tapatalk

Ahh yes. I had mistaken things last night. The silver frame rail appears to be a v6 car which has the extension on the frame rail, whereas the red frame rail is a 4 cylinder car. To make the 4 cylinder subframe work in the v6 car, that extension would need to come out. The only thing I can't remember is if the stud remains in place after drilling out the spot welds.

Studs are trapped in the frame rail..

Finally some things went right... I pulled the 6g72 and auto from the 8g frame. Mated the manual to the 4g64. Then attempted to install the manual 4g64 setup onto the auto 6g72 subframe... I don't want to get ahead of myself, but it looks like it should fit just fine.....

http://images.tapatalk-cdn.com/15/12...73ff4b90cb.jpg

http://images.tapatalk-cdn.com/15/12...850e5e132c.jpg

I think the reason everyone says it won't fit is because (at least on the 3g) the 4g64 frame has the steering rack boxed in, so the rear engine mount mounts directly over the rack. The 6g72 frame doesn't box in the rack, therefore the mount support must attach farther back and extend forward to reach the engine. But in the end I believe both mounts are sitting in the same spot. I won't know 100% for sure until I put it all in the car, but so far it looks promising.

Sent from my SM-G925T using Tapatalk

Quote:

---

Originally Posted by deeznutz

Studs are trapped in the frame rail..

---

I was waiting for this guy to chime in.... What's up bro!

8g frame is in. Have to tighten a couple things in the morning and the new timing belt and balance shaft belt will be done.

http://images.tapatalk-cdn.com/15/12...5356673275.jpg

http://images.tapatalk-cdn.com/15/12...276f139db8.jpg

I found that whoever did the last timing belt, had the left balance shaft timed wrong. Finish the timing belt and install the engine harness and the engine/trans assembly will be ready to drop in tomorrow.

Sent from my SM-G925T using Tapatalk

Quote:

---

Originally Posted by oakrdrs187

I was waiting for this guy to chime in.... What's up bro!

---

Same old stuff brotha!

Amaru the 64 should fit with plenty of space if I was you I'd keep the v6 frame and fabricate a new rear mount it's much easier this way. I did the exact reverse swap as your attempting but I had no choice but to swap frames the v6 needs the extra room that the aluminum sub frame provides. I'm glad to see someone else attempt what I did so many years ago...

Quote:

---

Originally Posted by deeznutz

Same old stuff brotha!

Amaru the 64 should fit with plenty of space if I was you I'd keep the v6 frame and fabricate a new rear mount it's much easier this way. I did the exact reverse swap as your attempting but I had no choice but to swap frames the v6 needs the extra room that the aluminum sub frame provides. I'm glad to see someone else attempt what I did so many years ago...

---

If anything, I think I'll just need to fabricate a new rear mount bracket on the trans. Should be super easy.

Sent from my SM-G925T using Tapatalk

Quote:

---

Originally Posted by deeznutz

Same old stuff brotha!

---

Good to hear it bro.

Quote:

---

Originally Posted by deeznutz

Amaru the 64 should fit with plenty of space if I was you I'd keep the v6 frame and fabricate a new rear mount it's much easier this way. I did the exact reverse swap as your attempting but I had no choice but to swap frames the v6 needs the extra room that the aluminum sub frame provides. I'm glad to see someone else attempt what I did so many years ago...

---

And this is why I have been watching this thread. I believe that most are as well, they aren't saying much. They're just kinda lurking the thread.

Amaru good stuff on here. Like I said even though most of the community isn't dropping off their 2 cents, deep down we're all rooting for you!

Quote:

---

Originally Posted by deeznutz

Same old stuff brotha!

Amaru the 64 should fit with plenty of space if I was you I'd keep the v6 frame and fabricate a new rear mount it's much easier this way. I did the exact reverse swap as your attempting but I had no choice but to swap frames the v6 needs the extra room that the aluminum sub frame provides. I'm glad to see someone else attempt what I did so many years ago...

---

When you did yours, you obviously had to change the ecu as well, what did you do about having the car pass emissions? The wrong VIN is now stored in the ecu. Is there a way to program the correct VIN in?

Sent from my SM-G925T using Tapatalk

Ive been lurking for sure, Im a lil confused though your swapping in a 4cy to a 8g with the existing v6 aluminum subframe?

Quote:

---

Originally Posted by amaru7

When you did yours, you obviously had to change the ecu as well, what did you do about having the car pass emissions? The wrong VIN is now stored in the ecu. Is there a way to program the correct VIN in?

Sent from my SM-G925T using Tapatalk

---

I dont think the VIN is in our ECUs. Milage ain't for sure.

Quote:

---

Originally Posted by xd_01

Ive been lurking for sure, Im a lil confused though your swapping in a 4cy to a 8g with the existing v6 aluminum subframe?

---

That's what he's doing.

Quote:

---

Originally Posted by amaru7

When you did yours, you obviously had to change the ecu as well, what did you do about having the car pass emissions? The wrong VIN is now stored in the ecu. Is there a way to program the correct VIN in?

Sent from my SM-G925T using Tapatalk

---

Vin is not stored in the ecm, your swapping harness and ecm, emissions is good to go as long as everything is working properly

Vic I haven't been lurking just haven't been on the fourm in a long wile I pop in and see this so I commented lol

This is real interesting to me. I see a lot of room there for a Evo trans and t-case, modified fwd t-case that is.

Steering rack is in the way right were the tcase goes


Sent from my iPhone using Tapatalk

Finished the timing belt. Put 90% of the harness onto the engine. Dropped the engine and trans into the car, connected the rear engine mount. I'll definitely have to modify an engine mount a little, but I'm not thinking too bad. We'll see.

http://images.tapatalk-cdn.com/15/12...1f76b0aec6.jpg

http://images.tapatalk-cdn.com/15/12...9c175f4a00.jpg

http://images.tapatalk-cdn.com/15/12...be18ff8fcf.jpg

http://images.tapatalk-cdn.com/15/12...b9c9a69131.jpg

Sent from my SM-G925T using Tapatalk

Quote:

---

Originally Posted by deeznutz

Vin is not stored in the ecm, your swapping harness and ecm, emissions is good to go as long as everything is working properly

Vic I haven't been lurking just haven't been on the fourm in a long wile I pop in and see this so I commented lol

---

I knew it. Gonna find a loophole for emissions now even quicker.

Morning progress.... 4g64 is in and bolted up to all 4 engine mounts without modification. Engine harness is routed and ready to finish the connections.

http://images.tapatalk-cdn.com/15/12...f90ccade3a.jpg

http://images.tapatalk-cdn.com/15/12...a11d745c15.jpg

http://images.tapatalk-cdn.com/15/12...65cbc34f22.jpg

Sent from my SM-G925T using Tapatalk

Awesome.


I just wanna pressure wash that bay!

Quote:

---

Originally Posted by oakrdrs187

Awesome.


I just wanna pressure wash that bay!

---

Lol I agree. I want to get it operational first, then I'll work on improving the looks.

Sent from my SM-G925T using Tapatalk

Hold up,,,, so the v6 rear mount fit into the bracket on the rear of the 4cyl trans? Pic please...

Quote:

---

Originally Posted by deeznutz

Hold up,,,, so the v6 rear mount fit into the bracket on the rear of the 4cyl trans? Pic please...

---

http://images.tapatalk-cdn.com/15/12...645f4e656a.jpg

You can see all 4 mounted up in that pic

Sent from my SM-G925T using Tapatalk

Quote:

---

Originally Posted by deeznutz

Hold up,,,, so the v6 rear mount fit into the bracket on the rear of the 4cyl trans? Pic please...

---

Closer pic

http://images.tapatalk-cdn.com/15/12...5f61c8ec20.jpg

Sent from my SM-G925T using Tapatalk

This is a real treat. A few things good, no modifications needed and the V6 mounts are sturdier whether oem replacments or prothane mounts.

The only down side to this is the V6 rack turning radius is that of a Semi, where the 4cyl can easily do u-turns in most residential streets from one side to the other.