something different
 

ok, so my buddy has an 87 fc, the tranny just blew, and he doesn't have the money to replace it, however he's probably gonna by another NA second gen and pull the tranny from that and put it in his first one since the motor in the second one has a blown apex seal.
so i'm gonna buy the shell from him for cheap, and was looking at doing something new and different with it. a buddy of mine here in town is putting an mx6 turbo motor in an 88, don't ask me how, cuz i have no clue, and i would really like a high revvind, decently powered, na fc to complement my FD which is staying rotary powered.
ok, now i know what you're all thinking, here goes some noob with grand illusions of an LSx in an FC, wrong, i was thinking an f20c or f22c1 from the s2000
the reasoning for this is simple:
small motor
lightweight
high revving
decent power
great mileage (my cousin gets 30 mpg highway in his 02 s2000)
i've searched the forums, and have only found evidence of this being done once before.
please don't bash, i really want to see if i can make this work, any advice would be appreciated, and i've thoroughly discussed this with both my buddy who i'm buying the shell from, as well as my cousin, who, in addition to his s2000, owns two rotaries, an 82 and an 88 rx7

Before everyone shoos you off to the other engines forum I feel compelled to tell you the obvious: Not only will finding a suitable donor car be hard, adapting S2K electrics to function properly in a FC will be a job not for the faint of heart. I'd also like to add that if you're willing to go through all this trouble why not consider keeping it rotary and installing a fully functioning renesis? Now that would be different.

thought about that, my cousin actually has a spare motor for his car that needs to be rebuilt, and the primary reason for the f20 or f22 is the high revving and decent gas mileage with enough power to make me more than happy, plus I want to do something unique

tho a renesis is another good idea

S2K engine in an FC would be sick! But honestly the S2K chassis is better suited for the engine, an FC chassis would be a HUGE downgrade.

ehh, hondas are gay, do a renesis swap, hell even an all motor sr20 with a Neo head. F20s and 22s are overpriced and do not respond well to mods at all, what they come with is almost all you can get out of them without opening them up and building them, in which case they become unreliable

i don't want to do any further mods to it once it's in, i just want a gas sipping rx7 daily driver

You could put a jet engine in an FC if you had enough time and determination. Some swaps are straightforward (LS1 + FC for example), and some can get hairy (20b + FD).

A lot of projects get abandoned because intractable problems come up halfway through. Search for threads on the ford 2.3t on this forum to see a good example of this. The motor simply wouldn't fit under the hood, despite being very small.

alot of your are completely off from what his OP is asking for.

While i do not have any knowledge of how to do an f-series swap, I would like to wish you luck. Also, make sure to start a build thread.

thanks for the approval pedobear!
and one of my friends is actually doing the 2.3T swap in his fc, and it's looking like he's gonna finish it too!

A bolt on ls1 rx7 will still get 28 mpg and make around 340rwhp. Theres a reason why LS1s are one of the most common motors for swaps.

on the highway yes, not around town.

i get 30 on the highway and 26-28 around town.

that's damn decent... hmm... any weight reduction?

http://i38.photobucket.com/albums/e1...07/IA08214.jpg

nooooooooot really lol. kinda the opposite.

as far as the honda s2k swap you might want to look more into the engines you want to swap over as if i remember right that s2k motor rotates the opposite direction as compared to your fc making the differential setup not usable.... dont quote me on that though i just remember reading it somewhere about some motor possibly the s2k if i remember right.
z

S2000 motor and trans into an FC has alreayd been done by a guy in Hawaii who built it as a drift car / track beast and it was fun but he had to do a lot of work to get it to fit well, he moved the suspension forward IIRC on the shock towers, etc.

nice motor, amazing transmission and would be a great combo in a lightweight FC but really for all of the effort and labor and work andf time spent figuring it out, I would much rather see you with even just a bare bones 1998 LS1 T56 setup, theyre so so so so damn powerful and will get you into silly absurd highspeeds too, its a no brainer, even if I had an F20 setup and an FC for free, I would sell the F20 and go LS1. there are pics of his car online somewhere, even on my cardomain perhaps, cant remember though.

maybe if I already had an LS1 FC then I might consider building a super duper lightweight racer FC with an F20, maaaaaaaaaaybe.

good luck whatever you decide.

I'm the only other person crazy enough (other than that hawaiian guy, who i actually had the pleasure of talking with) that i know about, to put an s2000 engine in a FC....

Words of advice... don't do it.

click the link in my sig to see my build. I dont work on it regularly, but i do get things done every now and then.... its soooooo close to being complete. The last thing i did to it was finish a bracket for the steering pump.

hmm... well I listed why I wanted an F20 in an FC, but i'll keep thinking. as of right now I just had to pay 800 dollars in books for this semester so it's on hold.

Yeah, so here's the reasons why I dont think the F20C or F22C is a good swap candidate for an rx-7.

1: the engine is too tall. You will have to creatively move parts of the chassis around to make room for this really tall engine.

2. the engine is too long. You will have to creatively move parts of the chassis around to make room for this really long engine.

So my solution was cut the firewall and the wiper box way back to make room for the engine. Even so, the oil pan is lower than the cross member. Its not bad, but i dont like that at all. Im going to have to build some sort of skid plate for it.

The Hawaii guy's solution was to chop up and redo the cross member. He was building his car for some sanctioned drift competition, and he told me that there could be violations in the rules on modifying the firewall.
But, by modifying the cross member, he completely changed the suspension geometry which poorly affected handling... To me, it looked like the handling might have been atrocious.
Also, he mounted the engine much lower than i did. I dont like how low mine is; his is downright scary.

3. s2000's have electric steering and don't have powersteering pumps.
I have access to a milling machine and i'm pretty good with the welder, so I was able to fab my own bracket to mount the rx-7 pump. I get the feeling that doing something like this is outside the skill levels of most people on this board.

These are pretty much the biggest problems, after the engine is in, its like anything else. I guess the only other thing would be the gauge cluster; don't expect that to work with the s2k motor!
Oh, maybe one more thing... if '$800 dollars for books' is preventing you from doing this project, this is probably not the project for you.

i looked into a B20A5 tubro RWD project with the S2000 6spd but it would cost to much right now. but the B20A5 is a slant 4 with thicker than average sleeves and a 9.0:1 compression ratio stock with a non Vtec head which makes it a prime canidate for a turbo and with F/H2B adaptors i would guess you could use that or for realy cheap get a H23 non-vtec and boost that with an S2000 tranni. it would be a far tourquer motor and the H23 is rather cheap cause everyone wants the H22A V-tec motor.

I don't think any other Honda motor is going to work simply because they turn the wrong way...

If the engine came out of a fwd car... its probably not going to work. I think one exception might be the GM ecotech...

there are a number of things at the moment, the cost of books, tuition, rent, all that other stuff was just the icing on the cake, i've got the s4, have a line on the motor, but it needs a rebuild.

but thanks for all the advice on the problems that you have run into, i'll be looking into it more as I get the funds to start up in a month or so.

true, but a buddy of mine here in town is just now putting the finishing touches on his mx6 turbo motor into an s5 swap, so it can be done!