S4 to S5 NA manifold swap help: 2 vacuum lines
10-02-08, 11:37 PM
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Rotary Dynamics
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S4 to S5 NA manifold swap help: 2 vacuum lines
I circled the red and green lines coming from the front of the S4 dynamic chamber.
The S5 doesn't have these 3 extra ports, where did you guys route these lines to? Will any of the ports on the S5 UIM work for these?
The S5 doesn't have these 3 extra ports, where did you guys route these lines to? Will any of the ports on the S5 UIM work for these?
10-02-08, 11:48 PM
#2
Both of those are connected to vacuum. When I did my S5 manifold swap, I ran the red line to the middle nipple on the back of the S5 UIM. The green line I ran to the vacuum hookup the EGR valve used to have on the rat's nest (this basically just taps into the red line's vacuum).
10-03-08, 09:11 AM
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Rotary Dynamics
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One more! Where did you hook up the 4-to-1 vaccum spider? it looks like on the rear runner there is a 6 mm nipple, is that where you guys put it?
10-03-08, 05:14 PM
#4
Run the 4:1 oil injector line to the black plastic intake duct. There is a capped metal line there that is the perfect size, and you need metered air source for it anyway, not vac.
The remaining 2 nipples on the UIM I used for the PCV valve. One is metered air, and one is vac. It uses both. I tee'd the metered air line to the secondary fuel injector bleeds too.
The remaining 2 nipples on the UIM I used for the PCV valve. One is metered air, and one is vac. It uses both. I tee'd the metered air line to the secondary fuel injector bleeds too.
10-04-08, 08:37 AM
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Rotary Dynamics
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Thank you very much!
One more question from your diagram, it shows 3 lines coming from the dynamic chamber, did you use the S5 TB spacer? I only have the S4 and it only has 2 holes for air to go to those 2/3 nipples.
One more question from your diagram, it shows 3 lines coming from the dynamic chamber, did you use the S5 TB spacer? I only have the S4 and it only has 2 holes for air to go to those 2/3 nipples.
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2nd Generation Specific (1986-1992)
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