Pt. 1 - Super 8.8 Diff Swap into 240SX Rear Bracket
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- čas přidán 6. 01. 2023
- Part 1 of swapping a 2015+ Mustang differential into a 240sx subframe. Starting with S13.
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Great video, have you thought about disassembling the mustang cradle and use the front and rear parts? They already mate to the differential. With mods to those parts I think your starting point would be easier. Combine them both!
Great Job
If you could 3D scan both you could combine them. I realize this comes at a higher cost also.
I haven't touched my Z in a long time and I juggle other projects but I still enjoy seeing your journey even after the Z is someone done. I was traveling through AZ this year and actually stopped by Vlads and checked out his 8.8 operation and man you aren't kidding how cheap the whole rear end assembly on a crate is. I'm don't plan to build a 240sx but i'm down to see the progress as you hot rod parts for it man. Good stuff!!
Hey thank you! Just like fabrication and design. Hopefully one day I can make it a full time thing.
You should look into Invincible Extremes kit. He has a thread on it on the hybridz forums and videos on his youtube channel. Have his kit on my Z that I'm building.
I know about his kit. It looks good. But I’m ok with the HP in the z at 450. If I went more then I’d probably need to upgrade.
I’m moving onto my next build/project which is the s13 though.
Oops, my mistake. Idk why I thought you were talking about the Z lol
The mustangs with that diff and those hubs are now in the 6s and trapping over 200.
One of your hurdles coming up will be getting custom shafts made in two different lengths, this is why mine is diff centered, not pinion centered.
I see you've already discovered that there's no rhyme or reason to the back cover bolts and their placement.
I'm currently working on a 280zx kit myself, and it's no easy thing, and I'm no stranger to designing things.
Also something to consider, that subframe has bushings to the body, and you're designing bushings from the diff to the subframe...
The 280zx longnose r200 for example is hard mounted to the subframe, and I'm keeping it that way.
I don't recall if the s13 has bushings for the shortnose r200 but it's worth looking to see if they do or don't.
Why this is an important point is, rhe diff will flex in the subframe, and the subframe will flex on the car itself...
Together, this may lead to massive wheel hop.
This issue is of concern to the actual mustang guys to the point that they usually lock out either the subframe or the diff itself and hard mount instead of using bushings.
Wheel hop is what usually destroys that hollow left axle on the s550 gt.
Regardless of all that, enjoy your project!
Thank you for these pointers. Wow I’ve got some thinking to do. I really wanted to utilize bushings to keep vibrations down. As I want my build to be more daily driver type. But yes the original s13 diff is solid mounted.
And thanks for pointing out the axle length. That’s smart, but does it impact the driveshaft angle?
You're thinking of the driveshaft itself, it doesn't care what length it is, so long as the u joints front and back are perfectly parallel and have the same bend being mirrored on the other end. This is why my off center pinion isn't any more of an issue than the diff being lower or higher than the transmission output.
I was pointing out that you'll need two different lengths for the custom shafts in the gt cv axles
Any updates on this Diff build.. Im ;loking to do the same on my s13 before going to solid axle.
Still pulling as of yesterday lol
Doesn’t apex engineered already make a complete kit?
They only make a kit for the Z cars. So does Vladimir Zagumennyy over at Invincible Extremes Muscle Cars Garage on YT. I don't know the 240SX market as everything has gone through the roof on 90s Japanese cars but I think it's a cool idea and he gets to expand his skill set. Nothing wrong with having more options on the market that's for sure!
They might have a kit for the original 8.8 swap for 240sx. There are some of those kits available. But so far none for the 2015+ diff. “Super 8.8”
Send a message to Sikky. They do LS swaps on s13 all time and would have some good insight.
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Just wide body the car and leave axle mods alone
You are probably joking, but even that would be harder than making them shorter to fit.