1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Hey everyone I got my Cosmo 13b!

Old Mar 14, 2002 | 03:00 PM
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Hey everyone I got my Cosmo 13b!

Well they called me today and said its on the 'dock' waiting for me. Now only if I can get ahold of my friend Matt and his Ford Ranger... Damn I should have bought a truck its killing me!!!!

They shipped this thing from San Diego, Ca on Monday afternoon and they called me this morning, it went from Southern Cally to Evansville, In , in that short of a time! Im impressed for $225..

Will post pics later !
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Old Mar 14, 2002 | 03:04 PM
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I forget. What are the plans for this motor?
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Old Mar 14, 2002 | 03:08 PM
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The plans are to drop this into a 85 12A chasis with a 88 T2 trans, and then comence *** kicking on ever worthwild stock or slightly modified mustang GT I can find .

Its a vengenace thing, i got my *** smoked with my 12A by pretty much anyone with a 5 speed This is gonna change! Plus I always wanted a fast Rx-7 now I got the means for one. Except Im trying to be a cheap *** (setzep will tell ya bout it ) Oh well gonna call Matt again Anxious as hell!

Last edited by MIKE-P-28; Mar 14, 2002 at 03:11 PM.
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Old Mar 14, 2002 | 06:49 PM
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Originally posted by MIKE-P-28
Except Im trying to be a cheap *** (setzep will tell ya bout it )
Yup...cheep ***
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Old Mar 14, 2002 | 06:53 PM
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okay. what is the difference between the cosmo 13b and the rx-4 13b that i have?
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Old Mar 14, 2002 | 07:04 PM
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is this the jc twin turbo one? if so are you keeping the twins? how many oil metering lines come with the JC? what front cover are you using 12a or 13b?
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Old Mar 14, 2002 | 07:52 PM
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Originally posted by Richard Miller
is this the jc twin turbo one? if so are you keeping the twins? how many oil metering lines come with the JC? what front cover are you using 12a or 13b?
I havent studied it super close yet, to see. Id like to use a regular OMP with it, but if not then I'll go premix, actually I like to do both, I always have and seems to work considering the last motor had 224k on it.

I got a modified front cover from a 12A (modified for turbo oil return) You have to use a 12A cover cuz 13b arent mountable from the front...


Heres the pics
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Old Mar 14, 2002 | 07:57 PM
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How much is this running you total?

This looks like a fun thing to do to my car...
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Old Mar 14, 2002 | 07:57 PM
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And another

Oh yeah I ve been told I can keep the twins with a haltech, have to hook it up to actuate the 2nd turbo solenoid ta 2800 rpm. CHEAP *** HERE

For the total cost you need to see www.fc3s.org Id recommend them to anyone There great...

As for my cost of the project im hoping to keep it in the $5k budget, but if I have to go a single turbo, i just shot budget all to **** We'll see ...

Last edited by MIKE-P-28; Mar 14, 2002 at 08:21 PM.
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Old Mar 14, 2002 | 08:07 PM
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Last one,
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Old Mar 14, 2002 | 08:26 PM
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thats a sweet 13b
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Old Mar 14, 2002 | 08:44 PM
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id goahead and get the light flywheel....sence you got to toss that flexplate B.S.. nice and clean
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Old Mar 14, 2002 | 10:29 PM
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I've never seen anyone find a way to fit the twins in a FB. they hit to many things

make sure yah take ALOT of pix!!
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Old Mar 14, 2002 | 11:22 PM
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Has anyone an answer, can you fit a REW under a FB hood?

Would you need a bigger fuel tank with a 10 mpg street consumption.
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Old Mar 15, 2002 | 12:20 AM
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Why would you *want* twins? You can make more power and get better mileage with less strain on the engine with a single.
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Old Mar 15, 2002 | 12:40 AM
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Originally posted by Paul Fitzwarryne
Has anyone an answer, can you fit a REW under a FB hood?

Would you need a bigger fuel tank with a 10 mpg street consumption.


Um, I believe they do fit!
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Old Mar 15, 2002 | 01:52 AM
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I see that big SOB you got there Steve Better start helping me And saying I aint got twins but a single big *** turbo aint gonna help me Anyone want free room and bored come on down or up as the case may be Lets put this SOB in

@peejay The reason I DONT wanna go single, is my CHEAP *** POCKET BOOK. i think im bout to learn a good lession Do it the way people recommend or spend 2x the budget trying the other way

@setzep my front rotor housing has some sensor going into it, as yours had the hole welded shut? Weird
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Old Mar 15, 2002 | 02:11 AM
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Driven a turbo FB lately?
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Originally posted by Paul Fitzwarryne
Has anyone an answer, can you fit a REW under a FB hood?

Would you need a bigger fuel tank with a 10 mpg street consumption.
Gas mileage ISNT a consideration as thi is gonna be a TOY I hope
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Old Mar 15, 2002 | 02:26 AM
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did you say room and board?
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Old Mar 15, 2002 | 02:33 AM
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Yelp and free beer too as LONG AS YOU KNOW SOMETHING? About what im doing LOL

Or else we can just party, and Ill do the swap later
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Old Mar 15, 2002 | 02:34 AM
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FREE BEER! r u serious? dont kid me now I am drunk.
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Old Mar 15, 2002 | 02:40 AM
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Im in KY the liquor store is NEXT door, but dont think any drinking will be done while doing this one i want it done right
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Old Mar 15, 2002 | 03:21 AM
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i seen on some fast fours and rotary vids that the big thing in ausie is turning your twin sequentials into full all time twins,
mazda made a reprogramed computer and some other **** to do it on the sp1 cars that they used to kick porsche's *** for four years in a row,
not to mention all the other years they won.
will bring the vids down when i come.
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Old Mar 15, 2002 | 09:29 AM
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Converting the stock twins from sequential to parallel (not exactly parallel ) would probably be your best bet. People installing 20Bs do that. The 13B-RE isn't really any different in that respect is it?
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Old Mar 15, 2002 | 11:36 AM
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Only thing I see that open up for the 2nd turbo is the actuator, if you look at the turbo pic. It has a big actuator at the bottom. If you move it back and forth you here something open up in that tube going to it. But anyways, last nite I went out with some friends and I was rather drunk when I got back here and looked (of course I didnt remove any bolts or do anything stupid )

I went out there this morning and started taking measurements. I really dont think this thing is gonna fit with the twins on it, I think Im gonna have to go single anyways? So we'll see ...

From the front cover bolts that mount the engine on a 12A , if measure from the 2 on the passenger side of the mount, its only 13.5 inches to the frame. So the cosmo would have to be less than 13 from that point to the end of the turbos etc. Im not gonna know until I get the cover on it. Also looks like the turbo/exhaust is gonna hit the idler arm too... The car pretty much dictates what you can do and what you cant do, its just a matter of 'do you wanna listen to it'
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