13B-RE ( Cosmo ) vs. 13B-REW ( RX-7 )
08-27-02, 06:26 PM
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13B-RE ( Cosmo ) vs. 13B-REW ( RX-7 )
They look different, they are in different cars.
Now how much do they have in common and what can be interchanged with out modifications:
Trany, ECU, harnes, intake, exhaust, rotors, housings ... etc etc and what about the size of the ports, the materials used in the engine .....
Now how much do they have in common and what can be interchanged with out modifications:
Trany, ECU, harnes, intake, exhaust, rotors, housings ... etc etc and what about the size of the ports, the materials used in the engine .....
08-27-02, 08:07 PM
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Basically nothing can...
The Cosmo engines come from automatic transmission cars, so you'll need to "adapt" to a 13B-REW originally manual transmission.
The exhaust sleeves in the rotor housings have stupid inserts on all Cosmo rotaries (even 20B's).
The bearings are all totally different internally, although the 13B-REW rotors should be the lightest.
The 13B-REW runs the highest oil pressure out of any stock rotary engine - ~100psi.
The 13B-REW water pump is "reverse driven" and supposed to be one of the most efficient water pumps on a rotary engine.
The Cosmo secondary intake ports are HUGE - larger than the 13B-REW secondary ports.  BUT, combine both the secondary with the primary ports, the 13B-REW is most likely "bigger" - the Cosmo primary ports are TINY.
-Ted
The Cosmo engines come from automatic transmission cars, so you'll need to "adapt" to a 13B-REW originally manual transmission.
The exhaust sleeves in the rotor housings have stupid inserts on all Cosmo rotaries (even 20B's).
The bearings are all totally different internally, although the 13B-REW rotors should be the lightest.
The 13B-REW runs the highest oil pressure out of any stock rotary engine - ~100psi.
The 13B-REW water pump is "reverse driven" and supposed to be one of the most efficient water pumps on a rotary engine.
The Cosmo secondary intake ports are HUGE - larger than the 13B-REW secondary ports.  BUT, combine both the secondary with the primary ports, the 13B-REW is most likely "bigger" - the Cosmo primary ports are TINY.
-Ted
08-27-02, 11:17 PM
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08-28-02, 01:53 PM
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Originally posted by 20B Junkie
So what ECU / harness can be used with the 13B-RE ( Cosmo ) ?
So what ECU / harness can be used with the 13B-RE ( Cosmo ) ?
mike
08-28-02, 02:06 PM
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Originally posted by j9fd3s
anything that will run any other 13b will run a cosmo.
mike
anything that will run any other 13b will run a cosmo.
mike
Can i use a FD computer or do i use a FC computer ?
08-28-02, 02:41 PM
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if your putting it in an fc it would be easier to use the fc ecu/harness, but the fd ecu is only 2 coil/ignitors and some playing with the cas away (assuming you have an 89+, 88 would be a lot of wiring under the dash)
mike
mike
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08-29-02, 02:35 AM
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Originally posted by Node
SEARCH!!!!
How many times must that be said before people actually learn...
SEARCH!!!!
How many times must that be said before people actually learn...
08-29-02, 11:21 AM
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Originally posted by Node
SEARCH!!!!
How many times must that be said before people actually learn...
SEARCH!!!!
How many times must that be said before people actually learn...
08-29-02, 11:24 AM
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Originally posted by jspecracer7
LOL...that's my line. This type of thread has been discussed SEVERAL times.
LOL...that's my line. This type of thread has been discussed SEVERAL times.
Cooo .... what do i do a search on, because i have tried it and it did not give me anything i wanted. If you remember those threads or what they were called maybe you can post a link to them .....
thanks
08-29-02, 02:26 PM
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Originally posted by Node
click the search link i made
i guess you canadians aren't too quick j/k
click the search link i made
i guess you canadians aren't too quick j/k
I thought you just UNDERLINED the word search.
And i never though you would be the person to answer a technical question.
Last edited by Project RX-7; 08-29-02 at 02:30 PM.
09-05-02, 04:35 PM
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I've been told to run 13b-Re Secondry plates on my 13BT can it be done? anyone tryed it?
As you guys say the Port size is far bigger and would make a quite massive ports as the standard size is bigger it would mean there would be simalar wall thickness and so can open them out even bigger.
As you guys say the Port size is far bigger and would make a quite massive ports as the standard size is bigger it would mean there would be simalar wall thickness and so can open them out even bigger.
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