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Question regarding aftermarket fuel rail installation fitment

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Old 09-25-08, 08:24 PM
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apeiron

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Question regarding aftermarket fuel rail installation fitment

So I got my fuel setup in and I pressed the aluminum sleeves into the lower intake manifold. Currently they are sitting flush on the LIM, I am not sure if I am supposed to press them any further into the LIM, there is roughly 1.5 to 2 cm of space left that they could be pressed down.

My only concern if I press them any further is that I think there will be large of a space for the injectors to get a proper seal at the base (between the o-ring and sleeve)

Un-bolted the assembly is very loose.

Here are two pictures for reference.

I feel like the injectors should be sitting further down into the LIM ?
Attached Thumbnails Question regarding aftermarket fuel rail installation fitment-lim.jpg   Question regarding aftermarket fuel rail installation fitment-flush.jpg  
Old 09-26-08, 01:27 PM
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apeiron

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No one can offer any insight to this?
Old 09-26-08, 03:54 PM
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It looks like the injector on the right is pushed further in than the one on the left. When I installed my aftermarket secondary rail the injectors were popped up like that as well, I just pushed them on nice and tight and then tightened down the rail and it pulled them in nicely. If there's going to be an issue I don't see any way to resolve it (in my situation), so I don't think you should have any issues either. I do remember having the same fear, but the injectors seem to seal nicely so I don't know. If I get everything together before someone else replies I'll let you know how it goes with mine.

Hopefully if I'm wrong someone will speak up though.
Old 09-26-08, 04:09 PM
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i think when i did mine i pushed the aluminum inserts onto the injectors to make sure the o-ring stuck out of the bottom a bit. i honestly don't recall how far the inserts came to the LIM. you did remove the diffusers that were under the stock injectors though correct?
Old 09-26-08, 05:11 PM
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In the Garage

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Mine are also pushed down all the way with no leaks...
Old 09-26-08, 05:13 PM
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apeiron

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i did indeed
Old 09-26-08, 08:50 PM
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apeiron

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One other question... I noticed there is nowhere for me to connect the fuel temperature sensor on the aftermarket secondary rail like there is on the primary rail. Is that sensor a necessary component or can it be eliminated?
Old 09-27-08, 09:54 AM
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It can be removed. just make sure that whatever ems you're running if it makes any fuel adjustments for the fuel temp that you zero them out.
Old 09-28-08, 03:42 AM
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Sua Sponte

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You can drill and tap the rail to accept the fuel temp. sensor. That's what I would do. I know you are running the PFC, so if you don't want to do that, you just need to take the fuel temp adjustments to zero as dudemaaanownsanrx7 said.
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