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Hey All, I've searched all over for this topic and can't quite find what I'm looking for. Part of it may be my being green in the drivetrain area. I took a 76 280z (CA) and put the motor and 5spd from a 77 280z (2+2) in. After getting everything in place, the car drives and goes through gears 1-4 okay. It won't go into 5th no matter what and has a little trouble with reverse. From what I've read this sounds like a shift fork replacement is in order. I don't see any interference issues with the shifter and tunnel. 1) Would you put your money on this needing a fork replacement? 2) If so, I assume this requires pulling the trans... I'm a little hesitant with my skill level to make any assumptions at this point and start dissecting 3) Any guides or advice on approaching this? Note: I do have the 4 speed I pulled out of the car if there is anything I can use from it. Sorry for the naivety... I'm dying to finally get some summer fun out of this thing. Thanks!
So I've reached a point where my research capabilities are failing me. I want to use an OS Giken Superlock in my longnose r200 (I know there is some mention of bushings to match bolt sizes? Not sure, but my diff builder said it was no issue). I know they have one for the 240Z R180, but there is no specific mention of one for the R200 from the 280Z. Are there any other long nose R200s that are identical such that a posi made for it would work in my current housing? I will be running the AZC suspension/brakes all around, 19 inch wheels in the rear with 305/30/ZR19 Hankook RS3s. Thus, I am also trying to figure out which rear end gear ratio to use. I'm rebuilding this diff right now and I want to do it right the first time. I should be making around 600rwhp (HCI LS7). My plan is to use the 2.66, 1.78, 1.30, 1, .8, .63 T56 Magnum (I think the taller 1-3 ratios will help with traction). The car will be a fun HPDE car for road courses, but will make the occasional trip to cars and coffee (Performance is more important than low cruise rpm). The car will not see the drag strip. I know all of this requires a stout rear end setup, so I figured the OS GIken + AZC setup would be a good start. Any other recommendations are welcome. Not sure exactly how crazy I need to go axle-wise to avoid issues. Thanks in advance for the help -- I'm trying to do this once and do it right!