Fuel Rail Swappage

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10-09-2003, 05:34 PM

1Revvin7

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Location: Peoria, AZ

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I want to run an lines on my primary rail, but S5 rails don't unscrew like s4 units. Could I swap an s4 t2 or n/a unit onto my s5 block??

10-09-2003, 06:53 PM

Rotaryman88

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Location: Pimp'n ain't E-Z! But driving ur FD makes it easier!

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If I can find my primary rail, I'll test fit it for you and find out...

did you want to do the same on the secondaries or did u already do that? I can check that too,lol....

10-09-2003, 07:08 PM

mazdaspeed7

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I know a S5 rail fits on a S4, so I would assume a S4 rail also fits fine on an S5.

10-09-2003, 07:09 PM

j9fd3s

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Location: California

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Quote:

Originally Posted by mazdaspeed7' date='Oct 9 2003, 04:08 PM

I know a S5 rail fits on a S4, so I would assume a S4 rail also fits fine on an S5.

bingo!

10-09-2003, 07:27 PM

turborotor

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S4 primary rail fits fine on S5 engine block. Must use s4 bolts since rail has thicker mount. That's how i'm running mine

10-09-2003, 08:14 PM

mazdadrifter

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if you want to use the s4 secondary rail on your s5 lim then you will need a couple spacer washers so that the grommets on the injectors don't crush.

10-09-2003, 10:13 PM

1Revvin7

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Thanks for the tip mazdadrifter..

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