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Index > Engine/Drivetrain > Thread: REPU will get a TII engine
Thread: REPU will get a TII engine [' This thread is 2 pages long: (1) 2 ']
rotarynews


Moderator
Too Many Rotary Websites
Posts: 206
posted March 12, 2002 02:42 PM

REPU will get a TII engine

OK, I'm freaking fed up with carbs. I found someone who will help me swap a Jap spec TII engine in there!

Hopefully it will all be done in 2 months :)

Here's a short list of things I hope to do:

T2 engine(complete)J-spec
T2 tranny
Tranny adapter
Driveshaft
Haltech(install and programming)

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repuguru


Redlining
Posts: 319
posted March 12, 2002 08:36 PM

Do it!!! Chunk that damn 12A and get some 13BT power under the hood. You'll love your self for it. Those Jspec turbos are rather tempting. And the Haltec seems to be the management system of choice.
I hate you had problems with your Yaw carb.

       
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rotarynews


Moderator
Too Many Rotary Websites
Posts: 206
posted March 12, 2002 08:56 PM
Edited By: rotarynews on 12 Mar 2002 20:57

12a's suck

I actually sold the carb to a friend.. he LOVES it... but the thing just wouldn't work on the 12a in the REPU. Here is where it get's really weird tho... he gave me his old one carb, that was working fine (In fact, he drove over to do the swab with it on, stuck the yaw carb on, started right up... put his carb on mine, and the f*cker just won't start.)

Anyhow.. I'm getting a DAMN good price on the setup... $3700 completely installed, including engine, turbos, tranny, labor.

Hopefully, I'll be pushing over 200 horses :)

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Jeff20B


Moderator
Posts: 661
posted March 13, 2002 12:07 AM

So neither carb worked on your 12A? All I gots to say is 13B!

____________
'74 REPU
'76 Cosmo
'77 MG Midget 13B
'81 RX-7

       
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Klaus43


Rotorhead
Posts: 1259
posted March 13, 2002 12:59 AM

Forgive me, I don't mean to dissuade you from the T2, but it sounds to me like IT's NOT the Carb! If two 'good' carbs, one of which drove to you, won't run on the motor, it's something else... like ignition, timing, a vacuum leak--or simply the old problem of the ignition switch suddenly cutting out power to the ignition in the 'run' position. One of mine just started doing that, after sitting--no special reason--it turns over and starts fine; let go of the key and it dies. Hold the key partially in 'start' mode, just enough to not fry the sarter, and it runs!
Or, perhaps your motor was simply 'loaded up' with fuel from trying to start to no avail...many times it simplky wants plugs cleaned and tow or push-started down the road the first time, then it starts fine...
Such are the idiosyncracies of old rotaries...
By the way, I'm told a 12A can put out almost as much as a 13B, done right... Don't hate it 'cause it's 100cc smaller!

       
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repuguru


Redlining
Posts: 319
posted March 13, 2002 06:01 AM

I love 12A's. It was the first Rotary engine I gained expierience with. And yes they make Almost as much power. Engine build for engine build.
But I liken a 12a in a truck to playing basketball with running shoes. No matter what you ever do you will always be at a slight disadvantage.
Dan that is cheap for the J-spec motor installed and running.
____________
77' REPU plus a few spare parts
for it.
85' GSL-SE
83' GSL

       
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Klaus43


Rotorhead
Posts: 1259
posted March 13, 2002 06:58 AM

A-greed! (Or do I mean I'm Power-Hungry, too?)

Hmmm...it said to "back up & fill the message box"....so much for a one-liner....now where's the rotary pickup burnout/donut icon on this 'puter???

       
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rotarynews


Moderator
Too Many Rotary Websites
Posts: 206
posted March 13, 2002 07:58 AM

12a flooded

The 12a was nasty flooded. When it did catch (and ran for about 5 seconds) gas and/or oil just poured out the tail pipe.

I'm done with 12a's and carbs... I've never had success in reliability on 12a carbs. The just need too much attention. Call me a computer geek, but Electronic, Computer controlled fuel injection is the way to go for me.

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Klaus43


Rotorhead
Posts: 1259
posted March 13, 2002 12:30 PM

'Geek' status not a prerequisite!

Too true--new and precise beats old and iffy/sloppy/worn out any day...but that motor may not be total toast, yet. Would I be completely mistaken if I guessed that what spewed forth was actually as much made up of condensation as fuel and oil? A nasty mix, to be sure--but even an oil burner can be made to run...clean plugs are SO essential, tho. If you were still wanting to experiment, Bosch platinum plugs' one virtue is they DO fire in oil!

       
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repuguru


Redlining
Posts: 319
posted March 13, 2002 08:26 PM

I wish I were a computer geek. Injection is the definate way to go.

       
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rotarynews


Moderator
Too Many Rotary Websites
Posts: 206
posted March 18, 2002 09:48 AM

Last attempt at the 12a

I'm still going to be putting the T2 in the REPU, but last weekend, I decided to give every single system the once over, cap all vac lines, and try to get the 12a running, since it did have 120+ compression on all rotor faces. . .

I found that I the leading #1 spark plug wire had corroded at the cap, so I cleaned that all out, and I was able to actually get the thing started, but it was only running on one rotor (the front)

So, I decided to take the whole carb out, and gook every thing up with gasket sealer, and then I found the vac leak... it was
a big ass nipple after further down/back than the break booster line.

There is no smog stuff on the engine now, and it idles high (anything below 1500, and the engine dies)... BUT, I have a good 12a that I can probably sell to recoup some of the costs of teh T2 swap
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*mazdarepu.com

The best way to predict the future is to invent it!
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repuguru


Redlining
Posts: 319
posted March 18, 2002 12:38 PM

Some ol' boy is waiting with an empty engine bay for that A motor. Sell it and maybe that will help out with all the little extras you'll need to do the conversion back to the 13B.
____________
77' REPU plus a few spare parts
for it.
85' GSL-SE
83' GSL

       
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yellow74


1st Gear
Posts: 18
posted March 29, 2002 08:09 PM

TII+REPU=TIRE SMOKE

HEY I LIKE THE IDEA. I THINK I NEED A REBUILT ON MY REPU? SO I THINK A T11 MOTOR SOUNDS A LOT BETTER. WELL IF U DO DECIDE IN THAT TII MOTOR, CAN U GIVE ME ALL THE INFO POSSIBLE SO I CAN ALSO DO ONE INTO MY REPE. SOME GUT WAS SELLING A 13 TURBO MOTOR FROM A 90'S MODEL COSMO. COMPLETE WITH ALL THE HARNESS, ECU, TURBOS (TWIN TURBO), AND SENSORS, FOR $2200? DO U THINK IS A GOOD DEAL? ALSO A USED JAPANESE 13B TII MOTOR FOR AROUND $900 BUT IT DID NOT COME WITH A ECU AND THE HARNES WAS CUT. THIS LAST MOTOR WAS BEING SOLD BY A JAPANESE USED ENGINE DEPO IN LA. SO U THINK IS A GOOD BUY OR NOT? LET ME KNOW SO I CAN START GETTING MY BUDGET TOGETHER. THANKS AND GOOD LUCK....

MIKE
PROBLEM=PISTONS
SOLUTION=ROTARY

       
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Klaus43


Rotorhead
Posts: 1259
posted March 31, 2002 09:08 AM

Got to love it...

...when you find that big-ass nipple!

       
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rotarynews


Moderator
Too Many Rotary Websites
Posts: 206
posted April 08, 2002 11:53 AM

Part I done

Update:

The 12a is out, and sold. I have a barren engine compartment. Most of the parts and engine for the conversion are on their way. A Haltech with Maps by Harry Nieves (HN on the RX7Forum) is letting me use his maps.

Most of the stuff will be ready in a few weeks, so this weekend, I'll be cleaning out the engine compartment, and proly sanding, rust removing, painting it black.


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The best way to predict the future is to invent it!
-- Tom Matano


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rotarynews


Moderator
Too Many Rotary Websites
Posts: 206
posted April 08, 2002 02:10 PM
Edited By: admin on 8 Apr 2002 14:11

For My reference (and yours too)

Here is a Haltech Discussion Forum For my, and your reference
____________
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The best way to predict the future is to invent it!
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rotarynews


Moderator
Too Many Rotary Websites
Posts: 206
posted May 08, 2002 09:41 AM

Update: 5/8/02

The engine has arrived, and they sent an 90 T2 motor! Woo Hoo! It is lighter, higher compression than the 88 T2, so the power should be over 200 easy.

The tranny is here too, and the crossmemer is being welded. The driveshaft should be ready by Friday, and the radiator is being redone today.

The haltech is being reprogrammed, and should arrive within a week or 2.

I'm aiming for the end of the month for the truck to be road worthy... smogged (hah!) and licensed
____________
*rotarynews.com
*FD3s.net
*mazdarepu.com

The best way to predict the future is to invent it!
-- Tom Matano


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Draggin_2600i


Redlining
Posts: 235
posted May 17, 2002 01:37 PM

How much horses does a T2 put out.

Hey, I just inhereted a 75 repu but the idiot the had it before my dad aquired it like 12 years ago put a piston engine in it. I want to swap in a Rotary again so I am also considering putting in a T2 engine. How much horsepower does it have? I found a couple of donor cars already so that I can swap it in with all the wiring and accessories. I just want to make sure I have all the info I need.

       
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rotarynews


Moderator
Too Many Rotary Websites
Posts: 206
posted May 17, 2002 05:38 PM

T2 Swap

You will need the front cover for the engine, you can get one for the 12a fairly cheap... and you'll also need the cross-member to mount it to the frame.

If you have access to the parts cars, things become much easier... probably the hardest thing would be the tranny mount, and drive shaft...

Don't forget to get the fuel pump from the T2, and wireing harness, of course.

Horse power is about 180-240, depending on the year, and how much effort you put into making your car breath (exhaust, intake)

Good Luck! If you need any support, feel free to start a thread here...

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Klaus43


Rotorhead
Posts: 1259
posted May 19, 2002 10:32 PM

Hey there Draggin' !

Welcome to the REPU scene! Just gotta ask about where you're located...'cause there's a pistoned, dead-for-years REPU here I've known about for a couple'a years, and was gonna get as soon as I had a place to put it...even was in touch with the "owner" several times in the past, and he was eager to have it gone outta his driveway....now that I finally have room for yet another long-term project, (nevermind not the time...), this turkey decides he doesn't want to sell it anymore unless the price is higher--much higher. Sorry to say, but I don't pay much for rusty, dead, pistoned, fishbowl-and-algae inna cab ground-up projects.... If you're the lucky inheritor, congrats. to ya, and I'm glad it's going to someone who cares to re-rotary it instead of 'bubba-izing' it further! --Klaus, Eugene, OR.

       
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