ga16de swap into a B12, need help. - Nissan Forum
B11/B12/KN13 82-90 chassis B11 (1982-1985 Sentra), B12 (1986-1990 Sentra), and Pulsar

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#1 Old Oct 18th, 2005, 02:17 PM
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ga16de swap into a B12, need help.

Hello guys, my e16 died on my last sunday so now i'm dripping a ga16de, this is what i have:

98 sentra ga16de engine complete..
ECU
main harnes.
all the stuff for the motor mounts (it's a donar car)

in my b12, AT b12 trany witch I know it will be a direct bolt with the ga.

My only doubt, the wiring harnes, from the ecu to the motor is not a problem cuz I removed the harnes, but, from the ecu to fuel pump, power battery etc etc, I don't have a clue. I have read a lot of post about the swaps, but haven't found something like a wiring diagram, I need info guys, Thank you'all

http://members.cardomain.com/nnoriega
1993 Se-R , JDM SR20DE engine (soon det), new spark plugs, new rims, and lot`s of stuff comming.
If you accelerate too much, You Brake time, and if you slow down, I`ll beat you. Any way, catch me if you can :thumbup:
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#2 Old Oct 18th, 2005, 05:36 PM
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Quote:
Originally Posted by nnoriega
Hello guys, my e16 died on my last sunday so now i'm dripping a ga16de, this is what i have:

98 sentra ga16de engine complete..
ECU
main harnes.
all the stuff for the motor mounts (it's a donar car)

in my b12, AT b12 trany witch I know it will be a direct bolt with the ga.

My only doubt, the wiring harnes, from the ecu to the motor is not a problem cuz I removed the harnes, but, from the ecu to fuel pump, power battery etc etc, I don't have a clue. I have read a lot of post about the swaps, but haven't found something like a wiring diagram, I need info guys, Thank you'all
I have done this swap my self but with a '92 ga16de and harness.
Tomorrow when i get home, i will go out and see which wires went where.
I am not going to break it down and tell wich wires work each thing, but i can tell you which ones are connected. And everything on my car works, but the dome light.....just because i forgot to hook it up.

'08 Sentra 2.0 S--chrome billet grille
'92 xe---HS CAI, ES Motor Mounts, SE-R swaybars w/poly bushings
'92 240sx- RB25DET swap with Silvia Front Conversion
'94 HardBody- stock for now....

Quote:
Originally Posted by Campground Man View Post
I've always said - beware of the guy with primer on his car!
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#3 Old Oct 18th, 2005, 06:40 PM
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really!! thanks man, yes, for the inyectors, maf, dist, knock sensor, temp, iac etc etc, all the sensors of the engine that's not a problem, my doubt is from the firewall to the back of the car, for example.. For the fuel pump, I'm going to use a aftermarket fuel pump cuz i'm using the stock FPR of the ga, but, where's the fuel pump pluged into the ECU??? and what are the cables that power up the ECU?? I think there have to be three power cords, one for the constant + bat, another for the switch on power and a ground cable, but that's what I don't know..

Anoter thing, was it dificult??? what's the hardest thing to do o during the swap??

Thanks a lot bro..

http://members.cardomain.com/nnoriega
1993 Se-R , JDM SR20DE engine (soon det), new spark plugs, new rims, and lot`s of stuff comming.
If you accelerate too much, You Brake time, and if you slow down, I`ll beat you. Any way, catch me if you can :thumbup:
#4 Old Oct 19th, 2005, 05:34 PM
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Quote:
Originally Posted by nnoriega
really!! thanks man, yes, for the inyectors, maf, dist, knock sensor, temp, iac etc etc, all the sensors of the engine that's not a problem, my doubt is from the firewall to the back of the car, for example.. For the fuel pump, I'm going to use a aftermarket fuel pump cuz i'm using the stock FPR of the ga, but, where's the fuel pump pluged into the ECU??? and what are the cables that power up the ECU?? I think there have to be three power cords, one for the constant + bat, another for the switch on power and a ground cable, but that's what I don't know..

Anoter thing, was it dificult??? what's the hardest thing to do o during the swap??

Thanks a lot bro..
I have the info you need. Check your PM

'08 Sentra 2.0 S--chrome billet grille
'92 xe---HS CAI, ES Motor Mounts, SE-R swaybars w/poly bushings
'92 240sx- RB25DET swap with Silvia Front Conversion
'94 HardBody- stock for now....

Quote:
Originally Posted by Campground Man View Post
I've always said - beware of the guy with primer on his car!
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#5 Old Oct 19th, 2005, 06:40 PM
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Thank a lot, Pm checkedand answered...

http://members.cardomain.com/nnoriega
1993 Se-R , JDM SR20DE engine (soon det), new spark plugs, new rims, and lot`s of stuff comming.
If you accelerate too much, You Brake time, and if you slow down, I`ll beat you. Any way, catch me if you can :thumbup:
#6 Old Oct 27th, 2005, 05:49 PM
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Location: Mexico
Posts: 231
Tomorrow I'm going to meet the donor car, remove engine, main harnes, fuel tank, pump, etc etc etc, the project has started. Wish me luck guys

http://members.cardomain.com/nnoriega
1993 Se-R , JDM SR20DE engine (soon det), new spark plugs, new rims, and lot`s of stuff comming.
If you accelerate too much, You Brake time, and if you slow down, I`ll beat you. Any way, catch me if you can :thumbup:
#7 Old Oct 28th, 2005, 08:11 PM
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Quote:
Originally Posted by nnoriega
Tomorrow I'm going to meet the donor car, remove engine, main harnes, fuel tank, pump, etc etc etc, the project has started. Wish me luck guys
Yeah good luck you will need. hope that nothing is damaged.
AS the problems arise, just ask, and i shall tell you how to go about what you are stumpped on, or the best way to go about doing something.

Make sure you get everything!!!!!

'08 Sentra 2.0 S--chrome billet grille
'92 xe---HS CAI, ES Motor Mounts, SE-R swaybars w/poly bushings
'92 240sx- RB25DET swap with Silvia Front Conversion
'94 HardBody- stock for now....

Quote:
Originally Posted by Campground Man View Post
I've always said - beware of the guy with primer on his car!
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#8 Old Oct 29th, 2005, 02:15 PM
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i'll be interested in a GA16DE swap myself within a year or so...

if someone wants to come up with a list of parts and some pointers on the swap, it should be a sticky cuz the GA16i and e16 are seriously anemic.

Given up looking for B12 jdm bumpers...
#9 Old Oct 29th, 2005, 05:19 PM
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The actual swapping of a GA16DE into the engine bay of a B12 is not difficult... the hardest part is the wiring. That will take you months if you have no idea what you are doing... and months even if you do. The problem lies in the B12 has an engine wiring harness and a chassis wiring harness for both available powerplants. The B13-B14 came with one harness, both chassis and engine... with a secondary one containing the alternator and so forth. You essentially have to splice the interior harnesses of the B12 into the GA16DE ECU wiring harness... fun to say the least. I will take detailed pictures of the wiring in my car and post it on a website, and give everyone the link to it. It has been a while since I finished the swap, so I am a bit sketchy on what exactly plugged into what. My information will be different from most, since I have a '99 GA16DE with a '95 exhaust manifold and intake manifold and a '95 wiring harness and ECU... and most people use the B13 GA16DE to do the swap.
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#10 Old Oct 29th, 2005, 05:24 PM
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Parts List:

Nissan GA16DE (B14 preferable for my swap)
Nissan GA16DE engine wiring harness (same year as engine)
Nissan GA16DE ECU (same year as engine)
Nissan B13-B14 accelerator cable
Nissan GA16i passenger-side engine mount and bracket
Nissan GA-series transmission (GA16i tranny will work fine, E-series will not)
GA16DE accessory brackets (power steering, alternator, compressor)
GA16DE MAF sensor (same year as engine)
GA16DE distributor (if '95 and above, '91-'94 use same distributor as GA16i)
GA16DE fuel pump (if E-series was original powerplant, GA16i fuel pump will work fine)
soldering iron & solder
engine hoist
engine stand
air tools (very preferable to hand-torquing)
ample wires (we used an interior wiring harness from a '95 Sentra)
Haynes manual, Chilton manual, FSM manual (B12 & donor engine)
patience
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#11 Old Oct 29th, 2005, 05:43 PM
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i'll have no problem wiring cuz i have a spare vehicle and lots of patience.

why do u suggest a b14 over a b13 for some stuff??

Given up looking for B12 jdm bumpers...
#12 Old Oct 29th, 2005, 07:50 PM
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B14 came with a coil-less distributor, which means it is much more reliant and a better spark altogether than the coiled distributor. The B14 GA16DE also came with high-end cams, rather than low-end cams. This provides a much better response above 4500 rpms, where the B13 GA16DEs seem to lag. Also, the engine came with 5 additional horsepower over the B13 GA16DEs, and I find the wiring to be less complicated in terms of the wiring harness. However, many people have used the B13 GA16DE, so I am sure it is just as potent in a B12 as the B14 GA16DE... I just prefer the latter, not to mention I got one with under 30,000 miles for almost dirt cheap.
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#13 Old Oct 29th, 2005, 10:09 PM
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For all you pople want to do this swap: as mentioned this swap is not going to be a piece of cake.

I was fresh off my last swap(ca18de into b12) and it still took me 3 months.
The wiring is what gets you. I had been making plans for the swap 6 months befor i did it and there are always something that you miss.

For anyone else wanting to do this swap: i have a short list of wiring from the ga16de to the b12 rear section. this process of wiring is a pita and it took me several blowed fuses to get everything(but dome light) working.

And to nnoriega.....how did the donor car look?

'08 Sentra 2.0 S--chrome billet grille
'92 xe---HS CAI, ES Motor Mounts, SE-R swaybars w/poly bushings
'92 240sx- RB25DET swap with Silvia Front Conversion
'94 HardBody- stock for now....

Quote:
Originally Posted by Campground Man View Post
I've always said - beware of the guy with primer on his car!
greenbean699 is offline  
#14 Old Oct 31st, 2005, 09:21 AM
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Quote:
Originally Posted by greenbean699
For all you pople want to do this swap: as mentioned this swap is not going to be a piece of cake.

I was fresh off my last swap(ca18de into b12) and it still took me 3 months.
The wiring is what gets you. I had been making plans for the swap 6 months befor i did it and there are always something that you miss.

For anyone else wanting to do this swap: i have a short list of wiring from the ga16de to the b12 rear section. this process of wiring is a pita and it took me several blowed fuses to get everything(but dome light) working.

And to nnoriega.....how did the donor car look?
Hey guys!! I just came back from the ranch to where the donor car was located, It was a really heavy weekend, man I'm tired. Ok, I have the pics of what I could find in the car..

GA16 engine..
Full main Harness
ECU
Main Breake cyl and booster (including lines)
Complete stearing.
Complete exhaust syst.
and lots of stuff, here are the pics..

Donor car, My cousing B14, (Let him rest in peace and to god to have him on his arms), last saturday was his 1st aniversary since the accident..



Dash Board after removing the all main harnes




Here's the Engine, The GA16de, but this engine it's a little different from what I saw in the FSM for the sentra96, you can tell by the trottle body, it's different, the MAF is bolted to the Trottle. You can see the full Main Harness to, It was a Pita cuz every cable that I cutted, I had to followed where it was to marked them.






Complete exhaust syst..





Booster, main breake cyl and other stuff





Broken Dist due to impact and manual flywheel, cuz the trany of my b12 is an auto, we won't be using that one, my uncle already sold the manul so, let's stick with my auto tranny




Ok guys, I'll start today, I'm Planning on removing the old e16 from my b12, did I mencioned that my e16 it's carbed?? so so wiring or ecu, I also noticed that this GA has temp sensor but also a analog sensor for the instruments, so that's make's it easier, I'll post lot's of pics during my work, If I can't make it sticky at least I would help other people.. thank you all and thank you Jason..

http://members.cardomain.com/nnoriega
1993 Se-R , JDM SR20DE engine (soon det), new spark plugs, new rims, and lot`s of stuff comming.
If you accelerate too much, You Brake time, and if you slow down, I`ll beat you. Any way, catch me if you can :thumbup:
#15 Old Oct 31st, 2005, 09:52 AM
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Location: Clarksvegas, Tennessee
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I have never seen that intake manifold before... is is a TBI engine? If that is the case, it might be a GA16DS... which is not the same as a DE. The exhaust manifold on the pictured engine is the good one, without the built in catalytic converter... you will want to keep that one until you get headers. That car really looks in horrid shape... not to mention it appears that everything was stripped. Maybe that is because you did it... but, otherwise... good luck finding everything you will need. I happen to have a '99 intake manifold from a GA16DE if you need one... of course the wiring harness is different from any other. Oh wait... Mexico... right... the intake would be different.
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