hey guys got a 78 fj40, currently has 2f and 4speed etc
was wondering about fitting a 2h.
do i need an engineer report?
any1 done this conversion?? worth while or waste of time?
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2h into Fj40
Moderators: toaddog, Elmo, DUDELUX
2h into Fj40
Fj40
www.millweld.com
www.millweld.com
I would spend the coin on having the 2F rebuilt they are a good strong engine, with a little room for improvement too and a lot less messing around cutting welding and engineering.
This is my old built 2F on 35 AT's and 4.56 diffs F/R lockers,
Most people only get to drive an old warn 2F new or rebuilt these are not a bad motor, do not under estimate the potential of the 2F.
This is my old built 2F on 35 AT's and 4.56 diffs F/R lockers,
Most people only get to drive an old warn 2F new or rebuilt these are not a bad motor, do not under estimate the potential of the 2F.
http://www.fj40-2f-eti-locked-n-loaded.com
Advanced (HB) Intercoolers
http://advancedhbintercoolers.com
Advanced (HB) Intercoolers
http://advancedhbintercoolers.com
My HFJ45 was "fitted" with a "H" diesel earlier in its life. I'm now in the process of doing it properly.
Be prepared to do your homework first before attacking the truck with tools. The secret is to make it look as stock as possible, modifications can happen after the blue engineering plate is attached. Acquire the factory workshop manual for both chassis/body and engine (the engine you are going to use), They are 2 separate manuals. The haynes/gregory's manuals are not good enough, and forget the "CD" compilations as they are a total waste of time & money.
To be successful you will need a donor wiring harness for the motor you want to put in. A 2H conversion is easy as all you need to do is replace the FJ 40 front wiring loom with a HJ 40 2H wiring loom. You will need all the relays and control bits for the EDIC, Glowplugs and Starter. This will also mean replacing the ignition switch assembly for the right HJ version, this has the "Glow"position. Bellhousing for the 2H needs to be swapped in to put the starter in the right place. There is lots of little detail stuff to be attended to,radiator, aircleaner, fuellines, fuel filters, water seperators, throttle cables, hand throttle.
H/FJ 40ś are meccano sets of the first order however there are some pitfalls. Ask yourself why you want to do the diesel conversion, if its just for fuel consumption then your better off putting it on LPG. As the cost involved in the conversion won't be recouped for a considerable time. If your after a hard wearing mudplugger then your on the right track.
If your going to go the 12HT, grab the 5 speed box/transfer case as well. you will need to update your hand brake from transmission brake to the rear wheels. 60,70,80 series dont have transmission handbrakes. You'll have to graft and adapt a suitable wiring harness onto the existing one. There will be prop shafts to be altered, and another list of things to be considered.
As with any conversion, do a budget, ask lots of questions, search on different forum sites. Start with the best quality engine/parts you can afford. Get as much of the bits you need before starting to tear into it. Work out a time frame to do the job, then set a goal to complete it.
In the end fun costs money how hard do you want to laugh?
Be prepared to do your homework first before attacking the truck with tools. The secret is to make it look as stock as possible, modifications can happen after the blue engineering plate is attached. Acquire the factory workshop manual for both chassis/body and engine (the engine you are going to use), They are 2 separate manuals. The haynes/gregory's manuals are not good enough, and forget the "CD" compilations as they are a total waste of time & money.
To be successful you will need a donor wiring harness for the motor you want to put in. A 2H conversion is easy as all you need to do is replace the FJ 40 front wiring loom with a HJ 40 2H wiring loom. You will need all the relays and control bits for the EDIC, Glowplugs and Starter. This will also mean replacing the ignition switch assembly for the right HJ version, this has the "Glow"position. Bellhousing for the 2H needs to be swapped in to put the starter in the right place. There is lots of little detail stuff to be attended to,radiator, aircleaner, fuellines, fuel filters, water seperators, throttle cables, hand throttle.
H/FJ 40ś are meccano sets of the first order however there are some pitfalls. Ask yourself why you want to do the diesel conversion, if its just for fuel consumption then your better off putting it on LPG. As the cost involved in the conversion won't be recouped for a considerable time. If your after a hard wearing mudplugger then your on the right track.
If your going to go the 12HT, grab the 5 speed box/transfer case as well. you will need to update your hand brake from transmission brake to the rear wheels. 60,70,80 series dont have transmission handbrakes. You'll have to graft and adapt a suitable wiring harness onto the existing one. There will be prop shafts to be altered, and another list of things to be considered.
As with any conversion, do a budget, ask lots of questions, search on different forum sites. Start with the best quality engine/parts you can afford. Get as much of the bits you need before starting to tear into it. Work out a time frame to do the job, then set a goal to complete it.
In the end fun costs money how hard do you want to laugh?
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