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Discussion Starter · #1 ·
can anybody explain about the fuel system. i see everybody running universal fpr and aem fuel rail any reason why. also can't you use the stock fuel rail like the b series.
 

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is it possible to use a return style fuel system when doing a k20 eg swap. isent the main idea to have constant fuel pressure? on a return style fuel regulator if you remove the vacume the fuel pressure will remain constant, is this possible with the swap?

sorry for the newb question. im not familiar with these types of fuel systems.
 

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Kedimoto said:
is it possible to use a return style fuel system when doing a k20 eg swap. isent the main idea to have constant fuel pressure? on a return style fuel regulator if you remove the vacume the fuel pressure will remain constant, is this possible with the swap?

sorry for the newb question. im not familiar with these types of fuel systems.
I'm not familiar with the return less fuel systems either but I am working on figuring it out. When I find out I will let everyone know.
 

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whitecivicsi02 said:
can anybody explain about the fuel system. i see everybody running universal fpr and aem fuel rail any reason why. also can't you use the stock fuel rail like the b series.
You can use the stock fuel rail with some compression type fittings to connect the fuel lines if you are on a tight budget.

The FPR on the RSX is IN-TANK (returnless) which is why some sort of external regulator is required.
 

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Discussion Starter · #7 ·
The reason why you have to use a different fuel rail and fpr is because the fuel system in a RSX is a Return Less system.

i didn't know that so the universal one it comes in the fpr and to the fuel and what does the third goes to like in the pic.

http://www.k20a.org/phpBB2/viewtopic.php?t=1383
 

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whitecivicsi02 said:
The reason why you have to use a different fuel rail and fpr is because the fuel system in a RSX is a Return Less system.

i didn't know that so the universal one it comes in the fpr and to the fuel and what does the third goes to like in the pic.

http://www.k20a.org/phpBB2/viewtopic.php?t=1383
the return line back to the fuel tank.
 
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