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Showing content with the highest reputation on 06/14/2025 in all areas

  1. GregTas

    240Z RB25DET conversion

    Hi Tom, Well I've done one, but I would say it's quite a bit more than a list of parts to buy, more a list of things to do, sort out. I'm sure there must be a lot of stuff online that covers it. Engine mounts made my own. I sat a dummy engine and gearbox in place and once where I wanted it worked out the dimensions for them and made them up. I believe it is possible to buy something, but might not get engine exactly where you want it.. Sump: I chopped the bottom off RB sump and made and new one with sump at rear. You can use a patrol RB sump and do it with less work. Gearbox: RB. Need to remove the speed sensor to fit it in the tunnel. Tailshaft: I used skyline shaft. Shortened to one piece. Replaced diff flange with Subaru STI 6 speed diff flange (Not easy to get locally). This flange has the same bolt pattern as Skyline shaft. So it then just bolts up. Radiator: Both fittings on drivers side. Plenum: Used Skyline front throttle body, but had to chop front of and realign it for induction pipe to go out the front. Intercooler: Modified it so pipes go through the air vent holes. Gearbox mount: Mount be able to buy one, but some have said what you can buy is not great. So might be better making your own up. Wiring: Either get a Skyline loom and wire it in. Or better way custom ecu and do your own loom. Time: A lot of it required. Cost: Quite a cost even if doing all the work and fabrication your self. If you have to pay someone to do it and cost is a possible constraint, then probably not something to consider doing. Stick with good L series. How's that for a start. Greg
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