dropping a 3800 into my Isuzu
#1
dropping a 3800 into my Isuzu
Hi I have planned out a major buildup of my 92 isuzu Pickup that I use for offroading.
I'm dropping in a 3800 from an 02 Camaro. Im going to try and run the engine on a Megasquirt (megasquirt.info) custom fuel injection controller managing both fuel and spark.
I have a few questions maybe you 3800 gurus can answer.
1-Can the electronic throttle body be swapped out for an earlier cable linkage one? if so what was the breakppoint in year they converted over?
2-What sensor is just behind the throttle body just to the side of the EGR port on this intake manifold?
3-What is the best source of wiring diagrams for this engine harness? I need to graft my existing Isuzu harness connections, GM motor so its a GM harness actually, to the 3800 harness.
If anyone cares to see this sort of thing on here I will post updates and pics to this thread.
here's a pic of me pulling the GM 3.1 that came stock:
http://berisford.net/uploads/cpom/projectpup/12.jpg
truck as it looks now:
http://berisford.net/uploads/cpom/projectpup/pt2/4.jpg
http://berisford.net/uploads/cpom/projectpup/pt2/5.jpg
http://berisford.net/uploads/cpom/projectpup/pt2/6.jpg
http://berisford.net/uploads/cpom/projectpup/pt2/7.jpg
I'm dropping in a 3800 from an 02 Camaro. Im going to try and run the engine on a Megasquirt (megasquirt.info) custom fuel injection controller managing both fuel and spark.
I have a few questions maybe you 3800 gurus can answer.
1-Can the electronic throttle body be swapped out for an earlier cable linkage one? if so what was the breakppoint in year they converted over?
2-What sensor is just behind the throttle body just to the side of the EGR port on this intake manifold?
3-What is the best source of wiring diagrams for this engine harness? I need to graft my existing Isuzu harness connections, GM motor so its a GM harness actually, to the 3800 harness.
If anyone cares to see this sort of thing on here I will post updates and pics to this thread.
here's a pic of me pulling the GM 3.1 that came stock:
http://berisford.net/uploads/cpom/projectpup/12.jpg
truck as it looks now:
http://berisford.net/uploads/cpom/projectpup/pt2/4.jpg
http://berisford.net/uploads/cpom/projectpup/pt2/5.jpg
http://berisford.net/uploads/cpom/projectpup/pt2/6.jpg
http://berisford.net/uploads/cpom/projectpup/pt2/7.jpg
Last edited by CPOM; 08-15-2005 at 12:10 PM.
#4
Re: dropping a 3800 into my Isuzu
I found out the break ocurred in 1998-99 year for throttle body types, this is what I can tell by car-part.com and the drive-by-wire TB will not bolt to this intake manifold. Since the d-b-w TB has no IAC, rather than modifying it to fit a manual linkage I'll try and build an adapter plate for pre-99 cable actuated TB.
I got a subscription to alldatadiy.com for wiring diagrams which has proven to be immensly helpful.
what sensor is this?
fits in a hole in the intake manifold right next to the EGR port here:
I got a subscription to alldatadiy.com for wiring diagrams which has proven to be immensly helpful.
what sensor is this?
fits in a hole in the intake manifold right next to the EGR port here:
#6
Re: dropping a 3800 into my Isuzu
It turns out it is the EVAP purge solenoid. I'll check back with you guys when I start breaking into this wiring harness -- got a subscription to alldatadiy.com for wiring schematics.
#9
Re: dropping a 3800 into my Isuzu
Originally Posted by Tru2Chevy
I would think it would have been easier for you to retain the stock PCM and throttlebody....
cool project though.
- Justin
cool project though.
- Justin
#10
Re: dropping a 3800 into my Isuzu
picking the 3800:
I wanted to keep this project simple and reuse my existing trans and transfer case. My stock trans is a MUA5 Isuzu 5-speed. I looked at 3.4s from Camaros and as they have the same pattern as my Isuzu trans. I could also reuse my existing ECM and motor mounts. As I got into the project, my Isuzu trans went south so I was looking at a full driveline swap.
Looking at prices, an old engine needing a rebuild would cost hundreds and hundreds of dollars after parts and machine work, so newer would be better. There really wasn't a cheap 3.4 GM solution so I started looking at camaro 3.8s as I bought a manual covering both 3.4s and 3.8s from Camaros.
Long story short I have an engine that was cheap (under 500 with low miles), good torque curve and will bolt to a Toyota dual case setup, best of both worlds.
Yes it would have been easier to graft in the stock ECM and PCM versus a custom setup but I wanted to experiment with all of the fuel injection settings and build it from scratch. Having a drive by wire throttle doesn't seem like it will be worth the work so I decided to go cable throttle.
I will keep you guys posted on progress, spent last weekend and next weekend out of town but September will see some major progress with this project.
I wanted to keep this project simple and reuse my existing trans and transfer case. My stock trans is a MUA5 Isuzu 5-speed. I looked at 3.4s from Camaros and as they have the same pattern as my Isuzu trans. I could also reuse my existing ECM and motor mounts. As I got into the project, my Isuzu trans went south so I was looking at a full driveline swap.
Looking at prices, an old engine needing a rebuild would cost hundreds and hundreds of dollars after parts and machine work, so newer would be better. There really wasn't a cheap 3.4 GM solution so I started looking at camaro 3.8s as I bought a manual covering both 3.4s and 3.8s from Camaros.
Long story short I have an engine that was cheap (under 500 with low miles), good torque curve and will bolt to a Toyota dual case setup, best of both worlds.
Yes it would have been easier to graft in the stock ECM and PCM versus a custom setup but I wanted to experiment with all of the fuel injection settings and build it from scratch. Having a drive by wire throttle doesn't seem like it will be worth the work so I decided to go cable throttle.
I will keep you guys posted on progress, spent last weekend and next weekend out of town but September will see some major progress with this project.
#11
Re: dropping a 3800 into my Isuzu
Originally Posted by morb|d
those would be HIGHLY incompatible with a 3800.
I think he meant keeping stock 3800 ECM to run the engine, not the Isuzu stock ECM.
#12
Re: dropping a 3800 into my Isuzu
Originally Posted by morb|d
those would be HIGHLY incompatible with a 3800.
- Justin
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