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RWD Conversion

55K views 117 replies 37 participants last post by  Takahashi240  
#1 · (Edited)
So.. I wanna see a tibby get sideways, and i'm perfectly willing to be the first one to do it without the use of mcdonalds trays. From how i see it, it will be extremely hard to do, But very possible. Would it be possible to just rip the motor and tranny out, replace the front drive system with a regular suspension setup?, put a s2000 size/type rear end in, put the motor/tranny back in with the tranny facing back, and get a custom driveshaft to fit from the tranny to the rear end. It obviously sounds alot more simple then it would end up being. What else am i missing for this?

This is the only forum i saw that fit this type of question, if its not the right spot , my bad lol


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#5 ·
if i am not mistaken you will have to orient then engine differently as well. For instance, if you had headers, they would not longer be in front and in back of the engine but rather on the sides of the engine. Granted I could be completely wrong but I don't see it happening unless you really give the car a make over more or less.
 
#15 ·
If you are completely dead serious about this and actually have a realistic budget and resources feel free to pm me.

I know more than you may think
 
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#16 ·
Good, now consider the fact that you are completely changing the car, with a body that does not have compatible room for something like a drive shaft, among other things. You will be somehow hooking up an engine designed for FWD onto a RWD transmission that, again, won't match up.

If you can do it, great. But until then, I'm going to sit back and watch you waste your time and money on a car. I STRONGLY suggest you take pictures of the entire progress, if not videos, to document the change. The reason for this is, if by some miracle you do it, you would be a pioneer to the Tiburon mod scene and will set forth a path for others to follow.
 
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#18 · (Edited)
an engine isnt designed for FWD, its designed to push as much air through it as well as it can. the transmission may be designed for FWD but that can easily be changed, or replaced, all it would need is a U joint to connect to a drive shaft. As far as the body, that will be problems but fabrication fixes problems. Im going to have to get under the car today and check out how much clearance there is. And i will be documenting the process. Im going to take some pictures of the underside and ill show you where i plan to run the driveshaft and new exhaust


I know for a fact i can do this simply by taking the car body off the frame and putting it on a RWD frame like a 2000 range mustang or something dumb like that but, i would rather do this to the original car frame.
if i really wanted to i could drop the body on my trans ams frame and just convert the tiburon to v8, but theres no fun there.
 
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#20 · (Edited)
Yes, the engine is designed for fwd, look at the mounts. No side mounts on our engine, they're on the trans. Theres only a front mount and the bellhousing as far as the engine is concerned. As far as just switching to just a u joint, umm no. FWD transmissions have 2 outputs not just one like a RWD unit.

Your easiest bet is to fab a tube chassis and drop the tib body on that. You're overlooking a lot of things with the tibs body that will need major work for this, just the change in forces alone that are different from fwd to RWD will take some engineering.

This has been discussed before and some very knowledgeable members have put in a lot of good info. I suggest you search the topic to see what has been discussed.
 
#23 · (Edited)
I could get a custom frame for it but I think the frame that i have can be used, I would have to fab a hump in the inside and underside to fit a transmission and driveshaft, move the fuel cell probably, and get a new transmission, as for the motor mounts, that is a problem. I don't have a solution for that just yet but i can probably work something out. I'm probably going to part out my trans am or sell it whole as a project to fund this but i can see it being worth it. plus i love doing things that havent been done before.


It might be possible to fab up AWD using an early model santa fe (01/02). The engine is mounted the exact same way, and the transmission has 2 outputs on it for front and rear dif. The rear suspension is much different but might be able to move it over.

You have to remember, and I've said this before, that you're comparing apples and oranges. Imports are FAR different than domestic, and on top of that, the Tib aftermarket is a tiny, niche market. The Genesis had more aftermarket support within 6-12 months of release than the Tib ever did. There are no engine swaps (not really anyway), no transmission swaps... None of that.

But if you can do it, power to you. Documentation is key.
AWD isnt a bad idea but, it seems far more difficult. Domestics and Imports may be different but when it comes to rebuilding the whole style of a car like this, its all just customizing. A motor is still a motor and it still takes the same things to work right. I might look into the AWD choice but I still favor RWD for drifting purposes. And i still plan on supercharging the motor.
 
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#22 · (Edited)
It might be possible to fab up AWD using an early model santa fe (01/02). The engine is mounted the exact same way, and the transmission has 2 outputs on it for front and rear dif. The rear suspension is much different but might be able to move it over.

You have to remember, and I've said this before, that you're comparing apples and oranges. Imports are FAR different than domestic, and on top of that, the Tib aftermarket is a tiny, niche market. The Genesis had more aftermarket support within 6-12 months of release than the Tib ever did. There are no engine swaps (not really anyway), no transmission swaps... None of that.

But if you can do it, power to you. Documentation is key.
 
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#25 ·
I love me a small block chevy but, I wouldnt put one in a tibby. The drivetrain may be weak now but it can easily be changed, new tranny, driveshaft, and a custom rear end. I can keep the tibby motor if i can find away to fab around the motor mounts, and im sure i can find a transmission with rear difs that wil match up to the 2.7
 
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#28 ·
Okay, Ive been looking into the santa fe frame, is the 2.7 in the santa fe the same 2.7 in the tiburon just build differently? Also, If using this frame I think i would still have to fab the body to have the "hump" for the driveshaft & rear end. Any outlook on this?
 
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#30 ·
2001 and 2002 are the same engine from 03-04...i replace mine with one when i blew mine engine ..but i am 5 speed ..sante fe only came in tiptronic ..also look under tuscan as well are 2.7 awd ..my boy mike from the bronx got one sc on it ...
 
#29 ·
It's exactly the same engine. But I don't know anything about the mounts.
 
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#32 ·
Im going to research a bit on this, I really like the RWD concept over AWD. I'm going to look up frame dimensions and such to see what I can come up with. All input is appreciated.
 
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#33 ·
I thought about doing this when my Tib took a **** too, I was just planning on dropping an LS1 with a 6spd in it and calling it a day though, the concept of using the stock engine would be too difficult in my opinion, good luck to you though!
 
#34 ·
awd would be awesome, it would be an idea / dream of mine to swap out my 4G63 -T motor from my talon tsi and put it in the tib along with the AWD drive train to. but again money money money.

RWD would be quite interesting but wont happen ever. im sure
 
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#36 ·
look on google for mid engine integra. I looked through a thread about someone dropping a B18? I think into the middle of an integra chassis. The thread was really comprehensive on the work involved.
 
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#40 ·
there is a guy sounds like the one you may be talking about, on youtube who is doing a rwd mid engine integra,

 
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#41 ·
do you see how extensive the work is just to get the engine in the back? Its just silly to go that route, unless you absolutely don't give a damn and have the money for it.
 
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#42 · (Edited)
300zx is FR. the engine is in front, not rear.

beyond that, have fun droppin' 20-30k into the build not including labor such as welding, custom center tunnel, transmission mounts, diff mounts, etc.

sure, having money to do it and the will/time to do it would be cool to see, but too many people have mentioned it and never done anything about it for the people on this forum to take the idea seriously.

though if i were to chose, i'd chose a KA24DE or similar nissan engine (with transmission), plus an s14 rear suspension/drivetrain substructure. KA for an engine already set up for rwd plus cheap due to the popularity of the SR swap. s14/1995 240sx rear since its dimensions are a little closer than the s13/240sx's to the tib's. i'm willing to help with research, but you gotta show you're serious and already have a means to do it.

if anything, i can ask my friend who had an awd rb26det 240sx about that stuff.
 
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#43 · (Edited)
I was considering the KA24 because I used to have a 240 and I know that is a motor from hell itself. Plus I know you can turbo it for easily under $1000. But what I'm trying to do is make it the easiest swap I can. I'm pretty sure I can use the tiburon frame if i fab up a spot for the mid-car tranny and the driveshaft, still investigating this. If I can't find a way to do it like that then chances are, I'm most likely not going to rip the body off just to build a whole new car from scratch. Reasons being, then its not a tiburon and noone is going to try and do it besides me. Plus, I already have a car that blows up all the time.

As of right now I'm looking into the santa fe motor/trans, and I'm considering pulling my tiburon motor just to see what i can do with it and for a learning experience because i've never pulled a tibby motor before.
I'm pretty sure I can use the tiburon motor if I get new mounts and fab them onto the block. Because like I said before the MOTOR is NOT built for FWD, its flywheel/flexplate still attaches to the back, and the serpentine and belt system is still on the front.


NOTE:: The only thing stopping me from starting this project right now, is that I just blew up my trans am and am currently in the process of getting parts for it and putting it back together.
 
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