isuzu 4BD1T swap?! (1 Viewer)

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euclid said:
Very cool. about $1400 in kit cost?



Did you decide on the 4l60, then go find one, or did you use it because you had it? Wondering why you didn't use a 4L




Same crossmemember, same driveshafts! Wow that is exciting.

Room in front for an intercooler?

Is the 62 on stock springs right now?

Great job, thanks for pioneering for us 62 guys. :bounce:
Click to expand...
Euclid,

I have a 90 FJ62 and have the same questions. I was leaning towards the cummins but now this seems way more attractive and cost effective?

Lift, any additional needed over stock? No oil pan mods?

Thanks,

ozwick
 
adapters

the isuzu diesel swapper adapter is $650

the AA 700r4 to the Toyota trans case, is a similarly priced.

4L60 was just what I found that was non electric. this was a good truck case, better reliability than a 700R4, but was able to mount to the two adapters. 4L80, my understanding was there were electrically controlled? You can get a computer module to control it, but that is also another chunk of cash.
 
any updates... ????
 
NEW IDEA... earlier in this thread it was posted that some npr's have allison tranmissions, depending on which allison was put in what about the adapers in the newer chevy pickups that mate the allison to the transfer case in them. ??? may be another route to go in looking for adapters for 60's and 80's...
 
Hopefully Bill (the88tlc) will see this and post some pics.. Yet another of my cameras s*** the bed, again :sad: Anyway, we got his 4BD1T mounted pretty much completely last night into his 88 62. The mounts are very similar to my first Cummins 4BT mounts on the frame at least, 4" angle, gussetted. We are using Ford liquid filled (I think) mounts that look like mini-versions of the 4BT mounts. They are perfect actualy and should isolate well. We had to move the t case back about an inch and therefore drop it about an inch. The oil pan is a little close to the axle, it is definetely a slight shoe horn. Being able to move it back another inch or two would have been nice but not possible without major doghouse modification, but it fits in nice. The engine sits very well in the engine bay. This is with the 4L60 aka 700Rr trans this is the situation. The trans is short but the adapter is fairly long at about 6" long easily. So this makes the trans-setup fairly long. In general though the whole setup really is nice and that is just a killer engine. I have a little left fab with with the 1" dropped crossmember but the front mounts are all done and look good. I'm sure you all will see pics soon :)

Cheers,
Andre
 
RAYJON said:
NEW IDEA... earlier in this thread it was posted that some npr's have allison tranmissions, depending on which allison was put in what about the adapers in the newer chevy pickups that mate the allison to the transfer case in them. ??? may be another route to go in looking for adapters for 60's and 80's...
Click to expand...

I think they might be AISIN rather than Allison. There was one up on ebay a while ago.
 
dieselcruiserhead,

So with the isuzu conversion does the FJ 62 stock suspension height work out or is additional lift needed like the cummins?

ozwick
 
The lift is nice breathing room and I would almost say its required unfortunately. This one has brand new OME. If you have a shorter transmission again then I think you might be OK and can move it back an inch or two to have some additional room. I will post pics on the clearances as soon as I have some. Thanks guys, Andre
 
Andre-
One suggestion I've been given is trimming the right front of the oil pan a bit to help with the clearance of the pumpkin. Still debating that one though. Have to wait and see once it's in the truck. Thoughts?
 
andrew.fletcher said:
Andre-
One suggestion I've been given is trimming the right front of the oil pan a bit to help with the clearance of the pumpkin. Still debating that one though. Have to wait and see once it's in the truck. Thoughts?
Click to expand...

There's no real scope on my engine to do that. Creative panel-beating maybe, but not really trimming.
 
We or at least I am strongly considering it. Both options (trim or beat). The bummer would be simply pulling the pan but it is a possibility... Our other thought is let the axle bang it up once or twice a little and then it should be OK :) Again it is close but not that bad.. With 4" of lift I think we'd be in much better shape but it does fit with OME and slightly taller than stock height shackles...
 
adapter ?

Has anyone here tried using the oem bell housing from the isuzu 5 sp and then adapt that to another tranny? I have seen some of the adapter companys offering an adapter that gave me this idea. If I can use the oem isuzu bell housing and clutch pressure plate, then all I have to do is have a clutch disk made with the center to fit my tranny that I have (T-5), and then I can use my dana-300 transfer case just like it was in my CJ7 jeep when it had the 4 cyl. What do you guys think? I know several ideas have been looked at before, has anyone else followed this line of thinking before?Dieseltim
 
Dieseltim said:
Has anyone here tried using the oem bell housing from the isuzu 5 sp and then adapt that to another tranny? I have seen some of the adapter companys offering an adapter that gave me this idea. If I can use the oem isuzu bell housing and clutch pressure plate, then all I have to do is have a clutch disk made with the center to fit my tranny that I have (T-5), and then I can use my dana-300 transfer case just like it was in my CJ7 jeep when it had the 4 cyl. What do you guys think? I know several ideas have been looked at before, has anyone else followed this line of thinking before?Dieseltim
Click to expand...

I think Bram and I discussed that earlier in this thread. The Isuzu gearbox bellhousing is also the front housing of the gearbox. It could work, but I think a better solution is to use the Isuzu box and adapt a gearlever to it.
If you're after a manual that is.
 
Has anyone figured up what kind of mpg figures you could expect with 33's and a revalved/beefed up a440 vs. a 4L60 or 700R4? Just wondering.
 
I considered an a440 trans for my conversion. I believe I found out that the overdrive in the a440's was very similar to the 700R4. I can't remember the exact numbers but the 700R4 is .70 so the a440 I think was around .73 or something. The a442 in my 94 was more like .78 or something. After pricing and rebuilding both transmissions it was easy to decide on the 700R4, I got a rebuilt heavy duty diesel specific 700R4 for about $900 including a core and torque converter. You can't get anywhere near that with the a440.
Rusty
 
Thats probably true, and I'm not bashing your decision I simply don't know the answer to my next question. Is the 700R4 as sturdy with as much longevity as the a440? No offense of course. Just wondering.
 
rebuild an a440...used ones are cheep because there is no demand...aka they last forever....
 
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