2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

S5 Intake manifolds.

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Old Aug 13, 2008 | 12:41 AM
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doofy421's Avatar
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S5 Intake manifolds.

I have an s4, n/a, and I'm trying to put s5 intake manifolds into it. Got the s4 Block off plates. In the process of getting the s5 fuel rails and block off plates. What do I need to do? and how to do it?
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Old Aug 13, 2008 | 02:03 AM
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https://www.rx7club.com/1st-gen-archive-71/intake-s4-s5-intake-mod-768214/
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Old Aug 13, 2008 | 03:33 AM
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Another one here:
http://homepage.mac.com/carldavis/intake.html

The most important (and f-ing annoying) step is grinding down the rear iron to allow the S5 UIM runners to clear. It took me 3 tries to get it down far enough. Each time putting the car back together only to find the manifold was still not seated properly & I had a big vac leak.

The attached pic shows how far I ground it the first time. I didn't get a pic of the end result that worked, but I took it down about 3x further than what you see here.
Attached Thumbnails S5 Intake manifolds.-ground-2.jpg  
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Old Aug 13, 2008 | 09:07 AM
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Thanks =D
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