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-   -   RB25det Transplant in FD (https://www.rx7club.com/introduce-yourself-254/rb25det-transplant-fd-979967/)

razsays 12-11-11 04:01 PM

RB25det Transplant in FD
 
Hello everyone, My name is Raz. Firstly I would like to say that I bought my FD with intentions of building a fire breathing dragon lol. I love to sound of the rotary and would still have it in my car if I knew how to work with that motor. I did try working on it with the help of my brother and a friend but after two blown motors I decided to go to a professional. The quote I got was not reasonable and I decided on a transplant. The build is coming along fine but slowly.

RW-7 12-11-11 11:12 PM

Hi Raz. :wave: Welcome to RX7CLUB.
FD+Fire breathing Dragon=Win!
Keep us posted on the progress.
-Robert Super Moderator.

razsays 12-12-11 11:03 AM

I'm still learning this forum and I'll post pictures as soon as I figure out how lol :)

http://i197.photobucket.com/albums/a...s/DSC00379.jpg

masarx7 12-14-11 12:29 AM

Can we get a pix in da hood?
curious how the motor fits.

94rxtt 12-14-11 02:49 PM

Welcome Raz, car looks clean and nice...I also like the rb motors but would never put any other motors in a FD other than a rotary....why not put the rb in a 240sx and keep it Nissan? Keep us posted on how its coming along.


Shiva.

Polak Graphics 12-14-11 02:58 PM

Welcome.

A few others on this forum have done this swap. You should contact them to avoid possible issues.

Best of luck, keep us updated with a build thread!

exocloud 12-14-11 04:58 PM

those motors are beast for drifitng

Rotank 12-14-11 06:21 PM


Originally Posted by 94rxtt (Post 10899962)
why not put the rb in a 240sx and keep it Nissan?

Because there is not a Nissan that looks anything like an FD? All the 200/240sx are ugly, the s15 is the rare breed that isn't but how often do you see one state side?

slow240 12-15-11 01:36 AM

Welcome! Cant wait to see this finished. I love fd's and rb's so its my favorite combo!

carboy 12-15-11 02:03 AM

Good luck! Can't wait to see the pictures!

razsays 12-15-11 03:57 PM

This is the most recent picture I have... I actually took it just a few minutes when I got home. I decided to modify the firewall so the manual trans would fit perfectly without any cutting around the shifter but I'm going to redo it because it's off. I'm running a 35R and custom cooler which as you can see will be a v-mount setup.
http://i197.photobucket.com/albums/a...20Build/35.jpg


This is a shot of the subframe and mount setup(bushings are not on yet). I'm actually trying my best to make everything solid and not take any shortcuts that may lead to me stranded on the roadside lol
http://i197.photobucket.com/albums/a...20Build/29.jpg



Originally Posted by Rotank (Post 10900288)
Because there is not a Nissan that looks anything like an FD? All the 200/240sx are ugly, the s15 is the rare breed that isn't but how often do you see one state side?

Exactly!! :ylsuper:



Originally Posted by 94rxtt (Post 10899962)
Welcome Raz, car looks clean and nice...I also like the rb motors but would never put any other motors in a FD other than a rotary....why not put the rb in a 240sx and keep it Nissan? Keep us posted on how its coming along.

Shiva.

Like i said, I love the rotary and tried to work with it but the quote I got was 17k for a 35R kit and stock rebuild. Definitely not worth it in my book so that's when I decided on the RB.

Barthonlewis2jz 12-16-11 10:15 AM

Great build man, and motor choice. She will be a animal when finished

shunteruk 12-16-11 11:38 AM

Great choice, I'll be doing a Nissan engine swap into my shell once I get it. Although I'm going for an SR20 swap as I know more about that engine than the RBs.

razsays 12-16-11 05:18 PM

Man, you'll have a lot more room to work with than me lol I've had my share of headaches trying to make this fit properly.

BStarr 12-16-11 07:16 PM

awesome build, how much horsepower will you be going for?

razsays 12-16-11 10:23 PM

Hopefully I can achieve 600 with this turbo. The block is fully built so I can run high boost on C16

shunteruk 12-17-11 12:54 PM


Originally Posted by razsays (Post 10902647)
Man, you'll have a lot more room to work with than me lol I've had my share of headaches trying to make this fit properly.

Yea one of the benefits of going for the SR over the RB. Plus hopefully I'll still have space to run a V Mount intercooler and rad setup in front of the engine the same as you.

razsays 12-17-11 10:34 PM

If I could v-mount with an RB, you can definitely get it done with an SR.

king808 12-18-11 11:52 AM

Nice FD, but yea if thye tole me 17k I would have laughed my way out of their quick. I guess they were like hell he can afford a fd lets just charged the shit out of him.

3rd GEN LS1 RX7 12-18-11 07:06 PM

or you could
http://a8.sphotos.ak.fbcdn.net/hphot...33502160_n.jpg

350 hp and 365 lbf·ft stock is fun in an FD

9313BTT 12-18-11 07:36 PM

I like this because this is different. Post bids once you get it running.

mgsk505 12-18-11 09:24 PM

nice man that FD is clean. Good luck on the build.

razsays 12-18-11 09:42 PM


Originally Posted by 3rd GEN LS1 RX7 (Post 10904485)

I was planning on doing an LS1 swap before the RB. If you look at the subframe, you'll see that it's the hinson subframe that I modified.



Originally Posted by 3rd GEN LS1 RX7 (Post 10904490)
350 hp and 365 lbf·ft stock is fun in an FD

I bet it is. I can't wait to get this running for summer :)



Originally Posted by 9313BTT (Post 10904507)
I like this because this is different. Post bids once you get it running.

Hopefully I can get it done by spring time so I'll have some fun with it. I'm definitely not selling this car but I guess it would be cool to see what people would pay for it.

shunteruk 12-19-11 04:17 AM


Originally Posted by razsays (Post 10903800)
If I could v-mount with an RB, you can definitely get it done with an SR.

Yea since seeing yours it has given me faith that it can be done, originally I wasn't sure how much space I'd have as without getting an SR in place in the engine bay it's abit hard to judge.

suprajosh 12-19-11 05:46 AM

LIKE! glad you didnt put a chevy engine in it

Cornelius-LSX 12-19-11 06:24 AM


Originally Posted by razsays (Post 10904647)
Hopefully I can get it done by spring time so I'll have some fun with it. I'm definitely not selling this car but I guess it would be cool to see what people would pay for it.

You will be disappointed if you have to sell it in the near future, it's almost impossible to even get close to what you put into it. Cool swap though, I miss the sound of a turbo at times.

razsays 12-19-11 09:05 AM

I already know that I probably won't get what I put into it and that's one reason I won't put it up for sale but if someone ever offers me a price that make me smile and jump for joy then hell yea I'll sell haha

9313BTT 12-19-11 10:09 AM

I love the way the rotary sounds esp turbo. Rb swap gonna be sick.

shaines522 12-19-11 03:27 PM

Awesome looking car man and congrats on going with the swap

dabranco 12-19-11 03:32 PM

Looks nice man keep up the good work.

razsays 12-19-11 05:13 PM


Originally Posted by shaines522 (Post 10905338)
Awesome looking car man and congrats on going with the swap

Thanks man



Originally Posted by dabranco (Post 10905350)
Looks nice man keep up the good work.

Thanks, I'm doing my best to get in done the right way.

I would like to say thanks for all the positive comments on this thread. Look out for an FD build thread coming soon.

lorainFC 12-19-11 09:44 PM

Welcome and that is a good swap if 1 day I go back to piston engine (that would never happen lol) I would go RB25DET or 2JZ :) good luck

fdware 12-20-11 05:18 AM

sweet man - look forward to seeing your build thread! is it difficult to source parts for the RB?

razsays 12-20-11 11:33 AM

A few years ago when I first started this project it was a little difficult getting parts but now it's easier to find.

///MFiv'n 12-20-11 12:34 PM

Love the combination and looking forward to seeing where your build goes!

wildfrisco 12-22-11 08:01 AM

Would love a video of this beast. The look and sound combination would be unique.

rxat2012 12-22-11 08:21 PM

looks good man... post up some videos when you get it running

turboluke 12-23-11 01:42 PM

That RB25 is much sweeter than any V8 swap you could have done. Motor looks sick man. Cheers from Chi town.

razsays 12-25-11 08:21 AM

Thanks man.

Carsaficionado 12-25-11 11:21 AM

Good luck with your build, but you should have stuck with the rotary. That is waste of a Mazda I'm just saying!

steelcity1021 12-25-11 02:25 PM

that is awesome... i love it when people bridge the gap on just making things work... i love it when someone takes something out of one thing and puts it in something else and making it a beast... great job

Belntay_type-m 12-25-11 06:02 PM

Looks like it will be a fun swap. Love my 25s.

philvia 12-25-11 06:18 PM

That thing is going to be so rad when it's all done

gwebb1987 12-27-11 10:57 AM

Rather see and RB going in than any LS engine

tash05 12-27-11 03:55 PM

i cant wait to see this thing totally done! its going to be a monster!

3rd GEN LS1 RX7 12-29-11 08:17 AM

There is nothing wrong with an ls swap. It is the same thing as going with an rb. if your taking out the rotary to put a piston engine it dosent matter if its a I6 v8 or even an I4 still a piston engine. I love the rotary but im not a millionare to spend 2k in parts every time the rotary decides to get messed up. The rotary is great i had 3 engines in my second gen but anything over stock power and they dont last long. I had an n/a with 246k on it and ran strong till i boosted it. Im keeping my ls stock with 365tq dont need much else.

Nushua Vang 12-30-11 02:30 PM


Originally Posted by razsays (Post 10896077)
Hello everyone, My name is Raz. Firstly I would like to say that I bought my FD with intentions of building a fire breathing dragon lol. I love to sound of the rotary and would still have it in my car if I knew how to work with that motor. I did try working on it with the help of my brother and a friend but after two blown motors I decided to go to a professional. The quote I got was not reasonable and I decided on a transplant. The build is coming along fine but slowly.


Good luck with the build.

mr2dude9161 12-30-11 02:52 PM

Sick setup bro. Keep up the good work!

Tomago 12-30-11 11:28 PM

Where in Chicago are you? I'm up in the northern suburbs (Libertyville area) and I'd love a chance to see this thing in action when it's ready.

tmarx7 12-31-11 11:42 AM

Wow, the cleanest i have seen yet, I actually was thinking about a rb25 or 2jz swap !


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