2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

3rd gen engine swap

Old Jun 30, 2004 | 12:57 AM
  #1  
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3rd gen engine swap

is it posable to put a 3rd gen engine in the 2nd gen car. i have been researching for months on what car i should make the most bad *** roadstear from, orginaly wanting a mkiii supra, but the cost for everything that breaks it to much, and the rx7 is much better balanced. also, can u put the rx8 engine in there or is it to much of a hasle for nothing better.
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Old Jun 30, 2004 | 01:00 AM
  #2  
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No, and no. If you want to do something the "right" way and you dont have a lot of knowledge, sell your NA before you get in too deep, and buy a T2. you COULD turbo your NA (which is what im doing) or you COULD do a full T2 swap (t2 engine, direct bolt in) with T2 drivetrain, etc etc. If you wanna do a big project, id go for this, but if you dont know much, and just want to go faster, i would suggest getting a new car (t2)
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Old Jun 30, 2004 | 01:11 AM
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i still like the 3rd gen engine in an fc (coming soon)
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Old Jun 30, 2004 | 01:13 AM
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its easier to do a 13B-RE and its a great engine. look into that one.
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Old Jun 30, 2004 | 01:43 AM
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its easier to do a 13B-RE and its a great engine. look into that one.
Have you ever seen the comparison of the ports on the re to the ports on the rew? Even if you could get them both in there im pretty sure everyone would opt for the re anyway.
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Old Jun 30, 2004 | 01:55 AM
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have you seen where the engine mounts are on the RE vs the REW ? are you gonna tell me an RE isnt good for 500+ to the wheels easy? in fact, carlos gonzalez has a ~900hp (without nitrous) 7.837second (as of aug, 03) drag second gen with an RE motor (s4 rotors).

i believe the RE is a pretty much drop in project, but i'm not quite sure (at all!). this topic has been discussed many times. most people will say "no" to the -rew (as in the FAQ) and others, as i have, may suggest the -re.




Last edited by casio; Jun 30, 2004 at 02:00 AM.
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Old Jun 30, 2004 | 02:21 AM
  #7  
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My friend cooper (revinrx7 on here) dropped an re into his s4TII in about an hour. $1500 shipped to his door plus $200 for the mounts from fc3s.org and one hour of his time. Thats pretty bolt in if you ask me
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Old Jun 30, 2004 | 02:31 AM
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Originally posted by pip
My friend cooper (revinrx7 on here) dropped an re into his s4TII in about an hour. $1500 shipped to his door plus $200 for the mounts from fc3s.org and one hour of his time. Thats pretty bolt in if you ask me
yea, i couldnt tell if you were with me or not on the -RE. no, i havent seen the ports side by side, though. really doesnt matter unless youre thinking about using REWs in an RE motor (no i dont know if this is possible) since the REW would be way more trouble than necessary.
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Old Jun 30, 2004 | 02:50 AM
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why are we even discussing this. Read the Faq.
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Old Jun 30, 2004 | 03:56 AM
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first of all, if this is a stupid question, sry. second i dont have an na, i have a ******* lousy *** 89 nissan sentra, and third, this is going to be a lot out racer so i need to know if i did do the swap how much hp can i expect with mild engine mods (no internal stuff plz) and how much boost the engine can hold. i have been told that rotarys can hold crazy mad amounts of boost no prob.
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Old Jun 30, 2004 | 03:58 AM
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ps, i searched for this too dont get mad at me for it
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Old Jun 30, 2004 | 04:26 AM
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do more research!! not tyring to hurt your fealings but you obviously dont know enough about rotary's to be working on them

Last edited by 1SxyRXy; Jun 30, 2004 at 04:29 AM.
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Old Jun 30, 2004 | 08:34 AM
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Carlos - 13BRE/alcohol/turbo/no intercooler
A test run last year - working on launch problems:
2.7M video
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Old Jun 30, 2004 | 09:21 AM
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A friend in Japan told me that if you get a mount conversion kit (available in Japan, no info just yet on that) and use a Power FC and the stock FD harness, then the 13B-REW isn't a bad swap. I'm not sure if you would consider it a "drop in" or easy, but he has seen it done several times and it apparently is getting quite popular in Japan. From my understanding, the mount locations and wiring are the big issues that make this an "impossible" swap.

His FC has a 20B in it... so he hasn't done it himself yet, but before his tour of duty is up, he's going to source me some of the conversion mounts, might be able to find someone over here to duplicate them.

I have no other details on this, but I trust the souce, and I'll try to get some more details soon. My S4 engine is still running strong, so reasearching this hasn't been a big priority to me yet.

Based on your questions, it sounds like you're looking for straightline power, which in that case, I suggest going back to looking at the MKIII Supra. You are missing the whole point of the RX-7 if you are building it to be fast in a straight line. Before you get offended, realize that these cars do not require "mad crazy amounts of boost" to be faster than most cars in every driving situation EXCEPT in a straight line.

And also, between this and the Supra, I would say you have more things go wrong on the RX-7 than the Supra, so you may not be getting off as cheaply as you think you are.
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Old Jun 30, 2004 | 10:19 AM
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Thread cleaned up.
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Old Jun 30, 2004 | 11:56 AM
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I have done the REW into my FC. It's a cool swap and my sequentials are fully functional. Lots of R+D time and electrical work. The mounts were pretty simple though I've seen a few others that I think would be better. If you're going for all out racer. I hate to say it but just buy a 3rd gen. You'll be amazed at the difference in handling, between the two vehicles. Of course a 3rd gen is a bit more pricey. But start off right. I love my car , but would take a 3rd gen in a second.

BTW if you can't do everything yourself, it's definately not worth it/cost effective.
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Old Jun 30, 2004 | 03:12 PM
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Originally posted by Aaron Cake
Thread cleaned up.
What do you mean by this?
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Old Jun 30, 2004 | 03:13 PM
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last night a few posts were off topic. i know one of mine got deleted. it means he came in with a street sweeper and deleted some meaningless, taking up space crap.
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Old Jun 30, 2004 | 04:02 PM
  #19  
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im not possative but IIRC the ports on the s4 turbo are actualy the largest ports of any turbo'd 13b. baisically any modded turbo rotary can make more power than could ever be used on the street or an auto-x and arguably so on a road coarse.

for the cost and trouble it would take you to mount a stock 13b-rew in your FC, you could probobly have 250-300+ wheel HP out of a tii.
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Old Jun 30, 2004 | 04:33 PM
  #20  
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Engine management is the main problem in this swap.

You either go Standalone or from the sounds of it

Mating a power FC to the FD harness and then splicing in the areas needed to mate to a FC interioir harness.
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Old Jun 30, 2004 | 05:44 PM
  #21  
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Originally posted by andrew lohaus
for the cost and trouble it would take you to mount a stock 13b-rew in your FC, you could probobly have 250-300+ wheel HP out of a tii.
250-300 easy. and if you really want power, you can get 400-500 out of a T2 block. i would probably feel better doing this with an -RE motor as i believe its a stout block.
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Old Jun 30, 2004 | 08:03 PM
  #22  
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http://fc3spro.com/TECH/SWAP/COSMO/13b-re.html

For the downright lazy...


-Ted
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Old Jun 30, 2004 | 08:06 PM
  #23  
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Originally posted by SureShot
Carlos - 13BRE/alcohol/turbo/no intercooler
A test run last year - working on launch problems:
2.7M video

nice! alcohol I like the sound of that hehe.
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Old Jun 30, 2004 | 08:16 PM
  #24  
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i got a extra 13b-re $1300.00 with turbos
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