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Hi all, Looking at the steering setup of my Datsun/Patrol amalgamation, and as the patrol chassis is obviously wider than the original Datsun 720, the steering shaft is no longer a straight shot into the steering box. I understand this means running an intermediate shaft, but I have a few questions regarding this. A ) Does the angle of the intermediate steering shaft matter, or as long as it isn't too hectically sharp and the angles are the same is on the input and output then it's all good? B ) If the splines don't match for the steering box and the steering column, can you purchase/have made adaptors? If so where/who would do this? And at which UJ would the adaptation happen, or does it not matter? C ) Will the shaft to the steering wheel and the one to the steering box require some sort of support now? Any help or advise would be hugely appreciated, most of my experience thus far has been buying and bolting parts, this project is my first major foray into proper custom stuff. Nothing like jumping in the deep end aye? Cheers and thanks in advance. -Hayden.
I did have a thread for this, but it didn't get worked on for several years, and I think it has gone. So, start again. (Picture here of Datsun when I first got it if I can find one) I have/had (depending how you look at it) a 1985 Datsun 720 4wd. It was gutless, it had rust, so it was a Datsun (not a Nissan haha). I thought I would pull it apart for some rust repairs and paint, that was (too) many years ago, it snowballed, I ended up disassembling the suspension, driveline, painting a lot of things, modifying the gearbox to accept an RB, bla bla bla. Then this year, I had been chipping away at it, I had finished study and finally had a decent job. And one day as I was doing something I looked at it and decided I wasn't going to be happy with it when it was done if I continued down the path I was on. I couldn't add too much power or things would explode. I couldn't get aftermarket parts to improve things like ride height and driveability (not easily or cheaply anyway). So I thought, "stuff it", and decided to just do what I wanted in the first place, and had always said I wouldn't do because of cost essentially, but yeah, now I'm just going to be irresponsible for a bit and throw money at this thing until it runs and drives and I am happy with it.. So the basic equation is: GQ/Y60 Patrol chassis and suspension, diffs etc. 4" suspension lift and all the goodies that go with that. + RD28 gearbox from RD28 factory patrol. + RB25DET from your friendly neighbourhood Ceffydrift/Skidline. + Datsun 720 King Cab body, with factory body mount points, adapt the chassis to suit. + 33x12.5 R15 tyres on -22 offset 15x8 steel wheels. + Flat deck because practicality (I do want to use this thing once it is done)/ease of adaptation to Patrol chassis, and adaptation to toolboxes etc. = Profit??? /more likely major losses. But profit in happiness. Have done some work so far, but a lot of time/money has gone into setting up my shed to make this project as easy/efficient as possible. I modified the roof in the shed: (Ignore thee strange writing on the walls, it's an old farm shed that has slowly been modified to be my garage, there are lots of .22 sized holes in the walls, and there were gas lines in the ground when we dug it out to put in the floor) So I could install a hoist, which has multiple uses: Lift it up to put it on a dolly, damn these things weigh a whole lot. On a dolly next to the gearbox from the Datsun with an RB25 front housing swapped onto it. Slight size difference. Patrol chassis in place. RD28 gearbox. Unfortunately this chassis originally had a TD42 (which it didn't come with, but there was no way I could use anyway as it was waaaaaaaaay too big), so the driveshafts don't work, but will have a look to see if Beattys Drivelines have any listings or if I can source replacement entire driveshafts to suit. Nissan Lego! With the body in about the only place it will go, i.e. engine will fit behind radiator support with radiator under the panel, gearstick in a useable position, etc. Will likely need to cut and box the firewall/tunnel. Had to cut out this bit as well as some of the seat support to let the transfer case shifter come through. With that cut out the shifter comes through the factory shifter hole, bit further back than normal, but still very useable, and with a slight tweak to the actual shifter the transfer case shifter will work fine and not rub on the passenger seat. The picture above is with the shifter in 4th so that is as close as it gets/have checked it in all gears. Currently tidying the rear diff: Painted in POR15, will get new rotors and rebuilt calipers shortly. Then will go back in once I buy the last pieces of the rear suspension lift, which will give me enough time to tidy/paint the rear of the chassis. Has an LSD which seems to be in good condition, which will do until it is on the road and then I can think about an air locker. Went to Auckland the other day, got some tyres from @Stu, bloody nice guy, nice to meet you in real life after all these years of seeing you on forums. Sharp price too. Pictured here with my parents flash new couch and a whole bunch of new free diving gear, was an expensive day all up haha. (Please excuse the twist in the tie down, I know, I'm embarrassed for me too) If you are thinking: "Gee, that looks like a fairly low offset wheel, and you are already putting them on a chassis that was designed for a significantly wider than the body than what is going back on it, are they going to fit?" Then the answer is "Yes?" Gonna have to make/buy (I don't know of any 200mm ish wide you can buy?) some fairrrrrrlllllllyyyy hectic flares, but I really don't want to reduce the offset, so that is what I am sticking with until such a time that I may be forced to do otherwise. They should be fine this way, will just be a case of trimming the sheet metal to suit. Look, honestly, if this were an exercise completely in practicality, then I would have failed. But mostly it's an exercise in "I do what I want", then deal with the fallout. So I call that a win! I get my new welder this week (HF TIG, MIG, Arc w/ spool gun) so looking forward to having a play with that, and potentially making a start on the design for the chassis to body mounts/posts, will make up something up then get them ok'ed by my local certifier and welded up fully by a mate I hope, my welds aren't up to crucial parts like this and I feel like there are better places to practice on. At the moment it is sitting on the hoist with the chassis on axle stands. I will make a discussion thread shortly and link to it at the top of this post, let me know your thoughts, constructive criticisms etc. I will try to keep this updated, I am good at taking photos of stuff usually as I do it, just terrible at actually putting those pictures up. Cheers, Hayden.