Great intel. Thanks for clearing that up.The reason that they are doing this is because the bell housing that they make to mate the R2.8 to an H42/H55 positions the transmission too far forward in the trans tunnel once the engine is in the correct position in the engine bay. Currently you have to modify your trans tunnel/shifter in order to make it work. In addition to this, it requires making a new cross member for the trans/t-case and relocating it forward in order to support the rest of the driveline. This also requires drive shaft lengthening/shortening.
The first photo below is what the shifter looks like with the QD adapter.
The second picture is what the shifter looks like when the transmission is kept in the factory location using our adapter.
The third picture is the drivetrain showing the transmission in the factory location which does not require ANY modification at all for an '85-'87 with an H55.
The fourth photo shows the drivetrain in an early 60 using the stock cross member in the stock location. The only required modification for early 60s is shortening the rear drive shaft and lengthening the front shaft to accommodate for the extra length of the H55 compared to the early H42s.
The QD kit also requires the use of an aftermarket non-Toyota 2F clutch set up. Our kit uses the factory 2F/3F Bell housing, flywheel, clutch kit (although an HD Clutch kit is recommended to accommodate the additional torque) and clutch slave cylinder.
We at Overland Cruisers have have developed what we believe the be the absolute best adapter set up and conversion component kit for the R2.8 to H55/H42 for FJ60s. The kit also works in FJ62s but requires a new crossmember to accommodate the H55 in place of the A442 (We do not yet have the FJ62 cross member ready for production). The engine to transmission adapter kit also works for all 40 series trucks. (We don't yet have the rest of the brackets ready for production for 40 Series). Please check out the links above and shoot us any questions that you may have. If you would like the perspective of an independent fellow Mud member, reach out to Cruiser Jimmy as he has completed the conversion in his garage using our kit.
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