Hi i have found a new 13b of the 89 , NEW!! , 0 miles.
I have a Rx7 of 1980 with a 12a.

I want know if it is possible to swap the motor without change the GEAR!!! (why i cant find here in italy a gear of a FC ) .

and what modification i must do for swap the engine ..




that is the engine.



and here a few picts of my car now:
http://www.scruch.com/images/black3.jpg
http://www.scruch.com/images/black1.jpg
http://www.scruch.com/images/black2.jpg


thanks a lot !!!
please answer me before thurdsday .. the day that i must go buy the motor! thanks

 

I hate to tell you this, but you will need a lot more than just the long block from an 89 13b. You need EVERYTHING that goes with the engine because none of the 12a parts will work on it (besides the alternator, and a few other external parts). Correct me if im wrong, but you will need:

-New intake manifold
-Injectors
-exhaust manifold
-all sensors
-the front cover from your 12a
-the ecu
-stronger transmission

I know there is more, but I just got out of bed and I'm half asleep. If im wrong, don't get mad or anything. I'm just going by what I have read.

EDIT: Is that a turbo engine?

 

the easiest way to swap it is to running a bigger carb on it. With that in mind, you won't have the pain in the *** job of the wiring. You need a GSL-SE engine mount or the Racing Beat one because the 13B is 20mm longer than the 12A. I would recommend you to put a gsl-se tranny... Upgrade brakes too, if you don't have LSD and rear disc brakes, it's time to put them on. You will need the 13B fan, fuel injecter block off plate, stock S5 lower manifold if i'm not wrong, to connect to your carb. That what comes in my mind now...

Max

 

but.. but...

a good mechaniker, that HAVE NO original parts, can adapt common parts of vehicles to work with the new engine on my car?

here in italy my is the LAST FB... no rx7s , no parts, nothing.


and GEAR is ok thise?



**** HOW MANY THINGS

 

Dont forget you also need the gslse oil pan for it to fit into your car.

 

Then, keep it with the 12A, keep it running man, in your country, you got a very special car.... !!!

 

ihihi yes, now i have found who swap me the engine, i hope all will go fine.

the 13b that i buy its a Turbo, but i think its better that i mount it with NO TURBO


someone of your know how many horsepower i have with the new engine ?

now i have with the 12a i think arround 100 hp, but with the 13b ? with turbo? and without?


THANKS!

 

yay!!!


just go without turbo...


Turbo HP depends ALOT!

Go with a CARB

stock distributer

I still got AIM its RotaryRx7Toy

 

arent the flywheel and clutches different on the turbo than the 12a engine?

 

Yeah, the flywheel and clutches are different.

 

yeah it doesnt look like the flywheel is on the motor, so add an 89-91 flywheel to your list as well.

 

and water pump

 

Its a 4 port engine then. Unfortunately, the intake manifold from the 12a will not fit because of the larger housings. Another thing, becuase it is a turbo engine, it has a much lower compression, which in turn will yield a lower horsepower rating, but greater reliability.

Now, I'm not just trying to seem smart here, but I'm just going by what i have learned. I'm still just an exhaust leak.

PS> that is one awsome car you have. Keep that thing in good condition.

 

how much modification , i hope only that my good mechanicker can fix all the modification at the engine with common vehicles parts and not the original for the rex that here in italy arent parts of rex.

 

A common vehicle carb in the US is the Holley. Then Racing Beat modifies it and it works reasonably well on the rotary. I believe RB also has a 2nd gen intake manifold that will fit a Holley to your engine.