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AFPR Install Issue

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DSMunknown

15+ Year Contributor
4,108
42
Sep 16, 2004
Worcester, Massachusetts
Just have a small issue with my installation. Here are some photos.




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As you can see, I cannot put on my cam gear cover because the AN fitting is in the way. Here are three possibilities I have come up with so far:



  1. Find another more appropriate fitting. (But where to get one that will work; I haven't seen anything yet that will help me out.)
  2. Trim off a small section of the cam gear cover and metal bracket to make it fit.
  3. Take off the fuel rail and screw on the AN fitting all the way down and see if that helps give me some extra room (I doubt it though).


Any help would be great. Obviously, I was in a rush and did the 'ol guesstimate when cutting my SS line. I'll fix that later on when I get a chance. And I still need to securely bolt on the AFPR somewhere, but that will also be another small job I'll get around to in the weeks ahead. I've scanned through this thread and others don't seem to fall into the same issue I have.
 

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I had the same problem. Ended up using a Dremel to trim a corner of the TB cover. I'm not sure what metal bracket you are referring to. I only had to trim away some of the plastic.
 
Were you by any chance supposed to use the 45* fitting on the fuel rail instead of on the AFPR? It almost looks like that angle would clear the bracket a little better.
 
romeen said:
I had the same problem. Ended up using a Dremel to trim a corner of the TB cover. I'm not sure what metal bracket you are referring to. I only had to trim away some of the plastic.







Click here or here to see some really bad close-ups. The metal piece I'm refering to is the inside metal guard that holds one of the cam gear cover bolts on. I was thinking I would need to bring in some hand-held bush shears as reinforcements.





MrBoxx said:
Were you by any chance supposed to use the 45* fitting on the fuel rail instead of on the AFPR? It almost looks like that angle would clear the bracket a little better.





I thought about that before. I do have an extra 45* AN fitting from what was left of the kit. Doesn't make much sense to me that a 45* fitting would fit better than a 90* fitting when the latter is giving me a fitment issue. I'll give it a look-see anyways.
 

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Ok, so this may sound stupid, but here goes...

After staring at those pics looking at the 90 degree fitting from the rail to the regulator, is one side (the rail side) a little longer before the bend begins than on the other side? It could just be the angle of the images, or the fact that I've stared at them too long, but what if you flipped that fitting around? That is assuming the length before the 90 degree bend isn't equal on both sides.

This image in particular made me wonder...
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...could just be the angle of the shot or the fitting that makes it look that way though. That's why I ask.
 

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With a previous setup I had used a dremel to remove a semi circle section from the plastic cover to clear the fitting but didn't have to trim any metal. Hard to tell the angle from the pics but can you adjust the angle of the fitting abit so no trimming of metal is reguired?

When I swapped my setup I changed to a low profile 90 fitting, like shown above & no longer had clearance issues with the cover. I replaced the cover with a new one & without any trimming the low profile fitting still fits.
 
Don't forget to teflon both the vacuum fitting and adjustment rod (lots of teflon) then pressure test it, both fuel and boost....:D .........seriously.
 
oldman said:
Don't forget to tafflon both the vacuum fitting and adjustment rod (lots of tafflon) then pressure test it, both fuel and boost....:D .........seriously.








People also tend to forget to mention that when using teflon tape on threads, the ideal way to apply the tape is to apply it "backwards". When you twist on the male fitting into the female fitting, you want the tape to make a nice solid seal.

Now, of course, whether you apply the tape clockwise or counter-clockwise 99 percent of the time a nice seal will be made. But it's that other 1 percent that could possibly ram you right in the ass (especially when dealing with something as volatile as fuel). I quickly used Google and found this nice little link you can refer to. As it was told to me when I was getting help putting the AN fittings on the SS line, "If putting on teflon tape is easy, you're probably doing it wrong."

If anyone cares to explain this clearer than I, please feel free to step up to the plate. :)

I also came across this little quote as well:


When applying Teflon tape, wrap it in the direction that the [fitting] will be tightened. If the tape is wrapped in the opposite direction, it may tear when the [fitting] is installed on the threads, and thus will be ineffective at preventing leaks.
 
So I talked with Brian (redeclipse7782) about what to do about this earlier this year. He informed me that a 1G rail will give me enough room to keep the fitting for now, until I can fix my SS length issue and finally put the damn cover back on before I have some real problems.

I did take Jim's advice and bought another AN fitting, shorter and more compact than the one in the photos. I just need to get over to my uncle's shop to have him use the specialized tool to easily install the fitting onto the line.

Measured my 2G rail at just a hair over 13.75 inches.

Should be getting one locally in the next few days. We'll see how it goes. Would it be easier to just trim down the cover? Sure, but I like doing things the hard way. ;)
 
my 2 cents

The 90 degree going to the fuel rail looks like it is screwed into the bottom of the afpr using another 90 degree elbow? The gauge is on the front of the afpr and the fuel line comes in the side.

The way I did mine -
The 90 from the fuel rail goes straight into the front of the afpr (where you have the gauge)
I have a 90 with the gauge pointing up on the passenger side of the afpr.
My fuel line come straight up from the bottom. the afpr bracket is attached to the brake reservoir.

here is a cleaner install than mine, in my car the afpr sits in front of the brake reservoir and the line to the fuel rail is very short.

http://www.dsmtuners.com/forums/art.../272590-review-import-evolution-afpr-kit.html
 
So I talked with Brian (redeclipse7782) about what to do about this earlier this year. He informed me that a 1G rail will give me enough room to keep the fitting for now, until I can fix my SS length issue and finally put the damn cover back on before I have some real problems.

I did take Jim's advice and bought another AN fitting, shorter and more compact than the one in the photos. I just need to get over to my uncle's shop to have him use the specialized tool to easily install the fitting onto the line.

Measured my 2G rail at just a hair over 13.75 inches.

Should be getting one locally in the next few days. We'll see how it goes. Would it be easier to just trim down the cover? Sure, but I like doing things the hard way. ;)

Just a FYI. When you do put on the "new" 1G rail, it must be from a 91-94 car. The 90 rails have the inlet flange clocked at a different angle and will not clear the TPS sensor.
 
I'll definitely ask the seller before he sends it. Thanks for the heads up.
 
A little late on this, but another thing worth mentioning is that those tube style elbows aren't strong enough to hang an FPR off without risk of cracking and catastophic fires. The thicker low profile units are better, but still make me nervous.

Teflon tape application isn't terribly critical, use only ~2 turns. It should be used as a lubricant, not a sealant. Hoping for a wad of teflon tape to seal a tapered pipe thread especially in a high pressure fuel system will usually end in dissapointment. :)
 
I know it is very unclear in my gallery, but i have the same fpr setup as you do. I ran a 45 degree fitting off of the rail to some ss line and then a 90 degree fitting on the other end of the line to the FPR. I have no clearance problems at all. I can send you closer pic's if you would like. I'm sure you have this problem resolved by now though.
 
Not sure if yours is still mounted (or lack thereof :p) the same way but here are some pics of how I did mine. I relocated the FPR solenoid to the opposite side of the brake fluid reservoir to make room for the FPR mount.
 

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I'll give that a shot Romeen if I remember. Just picked up the 1G rail. Measures at 13 and 3/8ths inches (or 13.375 inches). The 2G measures at 13 and 13/16ths inches (or 13.8125 inches). The difference between the two rails is 0.775 inches (close to 3/4ths of an inch). I don't see any future fitment issues.
 
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