Are s4 and s5 Irons the same
07-18-05, 01:34 PM
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Are s4 and s5 Irons the same
I did my tear down and i need irons some of my water jackets are broke i have a chance to get some s5 ones but i have an s4 so any help would be great
07-18-05, 07:57 PM
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Originally Posted by Karack
the middle iron also has an EGR passage on it (n/a), could be blocked off to use use in an S5 i assume though. i don't see why they couldn't be used in an S5 motor really. i have used S5 rotors and rotor housings with all other S4 components.
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07-19-05, 09:26 AM
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Originally Posted by Aaron Cake
The aux ports (NA) are larger on the S5.
where are you getting your info, i'd be interested in the differences?
- Aaron
07-19-05, 02:12 PM
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Has direct comparisons of all the stock ports:
http://www.rotaryengineillustrated.com/re101/ports.php
Notice how much larger the secondaries are on the 6 port compared to the 4 port. And the fact that they have a much longer duration...
http://www.rotaryengineillustrated.com/re101/ports.php
Notice how much larger the secondaries are on the 6 port compared to the 4 port. And the fact that they have a much longer duration...
07-19-05, 03:25 PM
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Originally Posted by Aaron Cake
Has direct comparisons of all the stock ports:
http://www.rotaryengineillustrated.com/re101/ports.php
Notice how much larger the secondaries are on the 6 port compared to the 4 port. And the fact that they have a much longer duration...
http://www.rotaryengineillustrated.com/re101/ports.php
Notice how much larger the secondaries are on the 6 port compared to the 4 port. And the fact that they have a much longer duration...
That's a keeper!
07-19-05, 03:55 PM
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Originally Posted by Kahren
that site is wrong about the s4 aux, the ports are the same s5 or s4. the smaller aux is on the 13b gsl-se model first generation rx7
07-19-05, 05:36 PM
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Originally Posted by BlaCkPlaGUE
I have a feeling that you are right, when I look at the irons from all the pictures that I have seen there does not seem to be a difference. Also I read a writeup about a guy using an S5 intake, he didn't mention anything about port matching for his S4 block. Im gonna do some more research...
07-20-05, 08:49 AM
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Originally Posted by Kahren
that site is wrong about the s4 aux, the ports are the same s5 or s4. the smaller aux is on the 13b gsl-se model first generation rx7
To the original poster, what more do you need to know? Your question has been answered.
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