Help identifying GSL-SE engine?
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Hey guys,
I got a spare engine with the RX-4 I bought in November,and was told it is a GLS-SE engine,but I really don't know for sure. It looks like one,but I have little experience with the -SE. Here is a pic: |
Hope this helps.
GSL-SEs have the emissions port in the center iron: http://www.mazdatrix.com/pictures/c-...-111A-N304.jpg S4 and 5 have them in the center as well as under the 5+6 Ports: http://www.mazdatrix.com/pictures/c-...-111A-N326.jpg |
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It is like the top gasket.You might be able to see it here.
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Yeah man, it's a GSL-SE engine.
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take a close up of the intake ports on the end plates and center plates, then we can make sure.
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ya its a gsl-se, it has the injector ports in just the center iron
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if it was a s4 engine it would have an egr valve on the top of the center housing. its most likely a GSL-SE engine bc if it was a S5 it would have a electric MOP on the front cover, its possable thats its S5 w/ a SE front cover but doubt it.
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if the front and rear plate have what look like rings around the ports it gslse, if they are flush and flat its s4 or s5
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It;s definitely '84-'85, no question. You now have two options; GSL-SE or RE-SI. In an RE-SI, the primary intake ports are smaller and the exhaust ports open and close early with 12A timing instead of late timing of a GSL-SE. Show me a close-up picture of an exhaust port and I can tell you.
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no doubt that its an 84-85 13B.
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Originally Posted by mazdaverx713b
(Post 9754464)
no doubt that its an 84-85 13B.
its got gsl-se rotor housings, no egr port in the center housing... |
Now what to do with it? 4-Port 13B using the spare 12A irons I have from a 79 12A.
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Pics of exhaust ports for Jeff20B
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Originally Posted by Mazdax605
(Post 9755548)
Now what to do with it? 4-Port 13B using the spare 12A irons I have from a 79 12A.
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Bump for Jeff20B. Can you tell from the pics of the exhaust ports which engine this is? We know GSL-SE,but you had a question regarding the exhaust ports.
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The main GSL-SE engine identifier is that it has the engine mount knob between the exhaust ports so you have to modify certain headers to fit. FC engines do NOT have that.
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Engine mount knob? I am not sure what that is. Can you point it out in my pics somehow?
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Maybe Peejay meant "nub".
Pic 1 is 84,85 SE, 2 is S4 under the exhaust manifold, where the nub would be if it was an SE. What it's for, I don't know. |
This 'nub' is supposed to be for motor mount studs similar to the other side where the motor mount is attatched on an FC. Interestingly enough, the 6 port 12As had this nub thing too, making it especially difficult to install a header on them. All you have to do is trim a little steel off the header flange, as I intend to do for my 6 port 12A if I ever do a header on it. Pretty easy.
As for your pictures, those look like classic GSL-SE exhaust ports because you can see they open late as there is more aluminum there to port downward :) than a RE-SI would have. The final word is you have a genuine GSL-SE engine. You do not have the slightly more rare RE-SI. |
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