You might have trouble finding a clutch for the 360mm fly wheel. The Isuzu npr59 1990-1993 has a 330mm clutch that will fit the 18mm 21 spline of the h41
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Oh that is the npr59 4BD1T engine
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- #23
Thats the 300 mm flywheel, which indeed fit the *28mm input shaft of the h41 and the 360mm flywheel of the 15bf.
I am still hunting for a bellhousing though, hoping to get one soon.
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- #24
Finally some progress.
Decided to ditch the 360mm flywheel and ordered a brand new one from Toyota at 560e. It is a 330mm unit, part #: 13405-56041 which replaces the 13405-56040. I believe this is the same flywheel some 15b's came with from factory.
I was surprised to find out that the new flywheel is much heavier and taller than the old one.
What will be the difference in using the heavier flywheel?
Decided to ditch the 360mm flywheel and ordered a brand new one from Toyota at 560e. It is a 330mm unit, part #: 13405-56041 which replaces the 13405-56040. I believe this is the same flywheel some 15b's came with from factory.
I was surprised to find out that the new flywheel is much heavier and taller than the old one.
What will be the difference in using the heavier flywheel?
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- #25
I also found an engine plate from a 14b that will go with the new flywheel...
Following is the rear main seal area before and after cleanup. What should I check while I am there ? Do I need to replace only the seal and gasket or the retainer also?
That's how one of the flywheel bolts came out while struggling with them. Not sure if I damaged it or was like that. I will give it and the threaded hole on the crankshaft a good cleanup with a tapper and see how it goes.
Following is the rear main seal area before and after cleanup. What should I check while I am there ? Do I need to replace only the seal and gasket or the retainer also?
That's how one of the flywheel bolts came out while struggling with them. Not sure if I damaged it or was like that. I will give it and the threaded hole on the crankshaft a good cleanup with a tapper and see how it goes.
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Generally ,a heavier flywheel will give the engine momentum or torque. Race cars usually have lightweight flywheels so the engine can rev quickly.
Engine manufacturers look for happy medium.
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- #27
Photos
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- #28
60 series P/S chassis reinforcement
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- #29
Test fitting the engine with the bigger dyna mounts. It didn't work in the end, the engine was sitting way high and the bellhousing mount did not line up at all.
I tried the B block mounts and rubber mount and they worked awesome - very factory position of the engine.
All three photos are with the bigger non working mounts
I tried the B block mounts and rubber mount and they worked awesome - very factory position of the engine.
All three photos are with the bigger non working mounts
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- #30
Looking good! I eventually went with 60 series disk brakes up front and the bigger knuckle arms - pictures to follow
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- #31
Some more!
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- #32
Chewed up spider gears on the rear diff...
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- #33
Then check out what appeared in the mail!! Ken from gearinstalls set me up with a brand new rear ARB air lock set up on a 60 series rear diff, keeping mine as a spare, with all the extra goodies inlcuded!
Did you end up completing this? Am sifting my way through several 15BF threads and they all go quiet 
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- #35
Yeah the engine and transmission are all set up.
Ended up sourcing a 13bt aluminum housing, and a 1987 h41 with 5th spacer input shaft to swap into my H series h55f.
The difficult part is sourcing the input shaft but I managed to find one.
I am currently working on the body which has lots of rust issues.
Let me know if you have any questions, I can answer pretty much anything involving the swap.
Ended up sourcing a 13bt aluminum housing, and a 1987 h41 with 5th spacer input shaft to swap into my H series h55f.
The difficult part is sourcing the input shaft but I managed to find one.
I am currently working on the body which has lots of rust issues.
Let me know if you have any questions, I can answer pretty much anything involving the swap.
Looks like you've been busy! If you haven't found out already, the power steering reservoir will probably foul the 40 series firewall.
I think I have all of the parts now, just need to make some space in the garage to swap it in. Will let you know if I run into any trouble!
Is there a reason you're using the alloy bellhousing and not the original B bellhousing? I was under the impression they set the gearbox at a different angle
I think I have all of the parts now, just need to make some space in the garage to swap it in. Will let you know if I run into any trouble!
Is there a reason you're using the alloy bellhousing and not the original B bellhousing? I was under the impression they set the gearbox at a different angle
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- #37
Yeah, after a year of hiatus I am finally back at it.
The PS reservoir is planned to be mount up high on the radiator frame.
This specific aluminum housing found on BJ60s and BJ70's is a direct swap with no tilting. Perhaps you are thinking the H series housings from the 60 series landcruisers. There is some variation there.
The only reason I went with the alloy was because it was on the h41 I sourced for the input shaft swap and in order to mount the left and right bellhousing brackets that Toyota started using with the aluminum housings. You can's fit those on a cast bellhousing
wormfood
SILVER Star
The 60/70 alloy bellhousing part number I can find that I think it might be is 31111-60180 or 31111-60190. (I think the difference is if it's drilled and tapped for a tachometer) Like @myusername I was under the impression that the alloy bellhousing tilted the transmission a few degrees to one side.
I have a B series alloy and a B series cast iron in the garage, maybe I didn’t need to buy the cast iron one to use stock crossmember and mounts after all! If I find time tomorrow I’ll see if I can measure them to compare. Word on the street is the larger 13BT clutch fits in the alloy without grinding the OD of the pressure plate.
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Keep posting dear Savvas!
Keep posting dear Savvas!
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