1G Frankenstein DSM Knuckles

[DuctTapeProdigy]

Hi anyone.

I'm looking at using a set of knuckles/brakes from a 91 3000GT VR4 (4 pot, big rotors). In my searching, I've found the spline count for the 3000gt vr4 hub on the knuckle is a 27 spline hub.

The 1g DSM has press in hubs with 25 splines.
The 2g DSM has bolt in hubs with 25 splines (albeit different attachment pattern from the 3000gt).

Has anyone considered using the hubs from a 2g DSM into the 1g 3000gt VR4 Knuckles and installing those in a 1g dsm? From my research, the tie rod connects a bit further away, which would increase my turning radius, and possibly change the geometry of the suspension a bit.

I'm not sure if it's worth my effort to machine the 3000gt knuckles for the 2g hub, or instead just work on an adapter bracket, or if the internal splines (on the axle shaft side of the CV joint) are interchangeable.

I've already got evo 8 rims which clear the calipers, and plan on installing the factory 1.25" VR4 brake master cylinder. Car is currently sitting on Eibach Pro Kit lowering springs.

 

[GPLaserRS]

Why do you want to run the 3000GT knuckles, what is the benefit? The turning radius would be a plus but you still have to take into account wheel clearance to the chassis at full lock.

If the CV have the same diameter bearing cage you could swap the guts and switch the hub ends to run the 3000gt spline hub/knuckle with the DSM axle.

 

[lasthope05]

OR.... you can just buy the bracket RTM makes.....



https://www.rtmracing.com/xcart/product.php?productid=19171&cat=1889&page=1

 

[smills1840]

Wait, have you confirmed that 3000gt knuckles will work on a DSM? I've never seen that information.

I'm about to install my 1st gen 3kGT calipers using the brackets from RTM (link in the post above mine).

 

[90laserRSfwd]

What is your reason for NOT using the stock 1g knuckles?

 

[DuctTapeProdigy]

What is your reason for NOT using the stock 1g knuckles?

I believe I have a bent hub, noticed some wobble when I checked for ATF leaks (replaced torque converter seal this past weekend). I figured since I have the knuckles, rotors, and calipers, and remember reading that they "almost" work, I'd have a project to install bigger brakes and get rid of a potentially bent hub.

 

[DuctTapeProdigy]

OR.... you can just buy the bracket RTM makes.....

https://www.rtmracing.com/xcart/product.php?productid=19171&cat=1889&page=1

It'd require me to buy new rotors along with the bracket from the sound of it. I'm also not sure how the clearance changes with the cobra rotors over the 3000gtVR4 rotors. Will 13" rotors work with the evo 8 17" rims?

 

[Paintballaa5]

I believe I have a bent hub, noticed some wobble

Are you sure it's not just the bearing? Make sure axle nuts are torqued properly as well, as a loose axle nut would make the bearing not sit right.

 

[DuctTapeProdigy]

Are you sure it's not just the bearing? Make sure axle nuts are torqued properly as well, as a loose axle nut would make the bearing not sit right.

The axle nut is torqued properly, and has a cotter pin through the axle nut.

 

[GPLaserRS]

Even if your axle nut and is torqued to spec that will not account for play in the wheel bearings. If they have never been replaced those roller bearings can move around a lot. Furthermore a bent hub will affect alignment, have to noticed any abnormal tire wear or pulling while driving?

 

[Paintballaa5]

I meant to put more emphasis on it probably being the bearing it's-self. Have you jacked it up and shook the wheel at 12/6 o'clock, and 3/9 o'clock? If there is ANY play whatsoever you've got parts to replace.

 

[mitsubishikid]

I know this is an old post, but me and my friend are planning on trying 2g hubs on 3000gt vr4 knuckles to see if we can make something work, will update here if it ends up fitting.

 

[mitsubishikid]

Update: The 2g dsm hub bolt pattern are different from 3kgt vr4, but we are looking into other potential ideas, so for now the answer is no, they do not straight up bolt onto a 3kgt vr4 knuckle, but they are close and with certain modifications possibly could be used.