EV14 injector installation?

[Raacerx]

Anything specific to the #52 EV14 injectors on our car and our stock fuel rail? Reuse stock clips? No clips at all? No hats needed? Just electrical connection adapters?

How far should the injectors be seated in the manifold? Not comfortable with how little they are seated when everything is tightened down.

Thanks

[98a4]

IIRC no spacers, clips are used. I'm not 100% on that, there was a thread last week that had the info in it.

[csre9]

Clay at cts can answer and questions you have.

[gearhead1186]

on my 02, i didnt need the hats or the spacers since the ev14s were actually slightly taller than my stockers. When i had them on my stock rails, I used the clips and the electrical adapters.

[Raacerx]

The EV14 are slightly shorter then the stock injectors (well they are slightly longer, but the o-ring location is shorter). I will call Clay.

This is a 2000 A-box

[Raacerx]

Talked to 034 (no phone number for CTS?). They say no spacers or anything. Use factory clips. Guess the 0ring doesnt really need to enter the manifold at all, just sit against it? huh... seems odd to me but I will report back soon after I start her up.

[gearhead1186]

Talked to 034 (no phone number for CTS?). They say no spacers or anything. Use factory clips. Guess the 0ring doesnt really need to enter the manifold at all, just sit against it? huh... seems odd to me but I will report back soon after I start her up.

my o-rings are "in" the manifold.

[julex]

Talked to 034 (no phone number for CTS?). They say no spacers or anything. Use factory clips. Guess the 0ring doesnt really need to enter the manifold at all, just sit against it? huh... seems odd to me but I will report back soon after I start her up.

Well, they need to go in, just pressing them again manifold orifice it not a good installation. It will cause boost leaks.

[The_Jerbel]

my o-rings are "in" the manifold.

^ Yeah, as they should be...

[Raacerx]

^ Yeah, as they should be...

Well if I use the OEM injector clips, which I was told to do, then there is no way to get the o-ring into the manifold. The fuel rail is fully tightened down and the 0-rings are barely sitting against manifold. I cannot use the clips if I want the bottom 0-rings to be "inside" the manifold even a little bit. For the o-ring to actually be sealed inside the manifold (even barely), I cannot use the OEM injector clips.

This just does not seem right.

Every other injector I've installed has never had this problem, whether they ran injector hats and spacers or were factory height. This is my first time installing the EV14's in any car. Customers car so I want to be very sure.

[The_Jerbel]

Then don't use the clips. As long as the rail presses down against the injectors with some degree of compression, and the o-rings get pushed into the mani, then it's no big deal

I've built a number of setups where I didn't end up using the clips because the injector geometry was different than OEM. They're not needed.

Just make sure to pressure test the system afterward, and make sure there are no air leaks around the injector o-rings.

[Raacerx]

Then don't use the clips. As long as the rail presses down against the injectors with some degree of compression, and the o-rings get pushed into the mani, then it's no big deal

I've built a number of setups where I didn't end up using the clips because the injector geometry was different than OEM. They're not needed.

Just make sure to pressure test the system afterward, and make sure there are no air leaks around the injector o-rings.

Interesting. I've not used the clips before too, but thats on like green tops and deka's where the injectors really couldn't move that much.

What I am worried about, with not using the clips to hold the injector to the fuel rail, is that the injector could move all the way down into the manifold, in which case, the upper o-ring would be exposed. With the DEKA and Green Tops and such, they are pretty much bottomed out in the manifold and the fuel rail, hence no need for clips (and dont work anyways with the rail spacer or injector hats).

3 BAR fuel pressure seems it would be enough to slowly move them down. Just seems so odd since everyone I talk to says there shouldn't be a problem and that the injectors are the exact same height as stock... but the o-ring location is a few mm off on my EV14 compared to the stock, hence why the o-rings are not fully seating. But its not like one is messed up, its even all around.

Perplexing... should have been done with this thing yesterday. Maybe I shall just try to bend the rail ever so slightly lol. Wouldn't be tripping if it was my car, but I need to finish this thing.

[gearhead1186]

Interesting. I've not used the clips before too, but thats on like green tops and deka's where the injectors really couldn't move that much.

What I am worried about, with not using the clips to hold the injector to the fuel rail, is that the injector could move all the way down into the manifold, in which case, the upper o-ring would be exposed. With the DEKA and Green Tops and such, they are pretty much bottomed out in the manifold and the fuel rail, hence no need for clips (and dont work anyways with the rail spacer or injector hats).

3 BAR fuel pressure seems it would be enough to slowly move them down. Just seems so odd since everyone I talk to says there shouldn't be a problem and that the injectors are the exact same height as stock... but the o-ring location is a few mm off on my EV14 compared to the stock, hence why the o-rings are not fully seating. But its not like one is messed up, its even all around.

Perplexing... should have been done with this thing yesterday.

what year s4 is it? dont they have an old and new style manifolds? maybe try using hats and spacers. just throwing it out there.

[The_Jerbel]

^ Yes, but the injector clearances are the same, IIRC...

[Raacerx]

what year s4 is it? dont they have an old and new style manifolds? maybe try using hats and spacers. just throwing it out there.

They are different, and I've never done an injector install on a 2000 A-Box. That being said, I've never seen any documentation or heard anyone say that there is a physical difference in height between rail and manifold. So that can't be the issue.

Either something is up with this rail, something is going on I am not seeing, or I am just a freakin absolute moron (quite possible, and possibly I am just being paranoid, but never having installed these specific injectors, I want to be sure).

Funny thing is, I am getting EV14 installed in my car this week too. If only I did it last week, I could have watched them install them. Will be the first time anyone has ever touched my engine besides me, but the injector installation is free with my K04 tune. 034 is telling me same thing VAST is telling me.

Need to finish lunch, snap some pictures, send to Prince, post here.

[Tech/Sales@VAST]

You definitely have to run the injector clip

[FrnkWhte]

Mine were installed with the aluminum hats on and plastic spacers for the rail.. Thats how the kit was sent from Tony @ EPL

[AudiSportB5S4]

Mine are in stock orientation, no spacers, with the injector clip of course.

[The_Jerbel]

Interesting. I've not used the clips before too, but thats on like green tops and deka's where the injectors really couldn't move that much.

What I am worried about, with not using the clips to hold the injector to the fuel rail, is that the injector could move all the way down into the manifold, in which case, the upper o-ring would be exposed. With the DEKA and Green Tops and such, they are pretty much bottomed out in the manifold and the fuel rail, hence no need for clips (and dont work anyways with the rail spacer or injector hats).

3 BAR fuel pressure seems it would be enough to slowly move them down. Just seems so odd since everyone I talk to says there shouldn't be a problem and that the injectors are the exact same height as stock... but the o-ring location is a few mm off on my EV14 compared to the stock, hence why the o-rings are not fully seating. But its not like one is messed up, its even all around.

Perplexing... should have been done with this thing yesterday. Maybe I shall just try to bend the rail ever so slightly lol. Wouldn't be tripping if it was my car, but I need to finish this thing.

I should tell you that I've used this method with a bunch of different injectors, but never the EV14's. Maybe they're different, like you say, and you need to use the clips to keep them from sinking into the IM too far.

[Raacerx]

Well car is back together and all, everything seems to be fine, no leaks. Just doesnt seem like good fitment to me. just 1-2mm farther down into the manifold would make me feel a lot safer. Anytime I can see the o-ring, it ain't good to me.

But, all is swell. No misfires.

[The_Jerbel]

Have you boost leak tested the car? You may very well have air leaking out the injector seals with it set up like that...

[car]

Interesting. I will be putting my EV-14s in tonight. I will report my findings.

[julex]

Have you boost leak tested the car? You may very well have air leaking out the injector seals with it set up like that...

If you can see o-ring you will have boost leak since the air will be pushing the injector out of the manifold and around the oring...

[GarbatyA4]

I think it would be good for you to take pictures of the stock injectors beside the EV14's just for future reference.

Also the fitment issue you're having. I hope it works out man.

I'm planning on using EV14's in the future.

[The_Jerbel]

If you can see o-ring you will have boost leak since the air will be pushing the injector out of the manifold and around the oring...

That's my point

[Raacerx]

There should be more pressure above the injector in the rail, then in the injector tract. The valves will be closed before the combustion, so there shouldn't be any pressure from the manifold (beyond what your boost is seeing). 20psi versus the 3BAR of the fuel rail.

But... I obviously agree that it doesnt seem right. I have pressure tested, there are no leaks, sprayed it down, no bubbles, idling well, no misfires. They are not just "sitting" on the manifold... they are "in" the manifold, but just not as much as I feel they should be (and not as much as stock). I forgot to snap many pictures, and the injectors are already installed.

These Ev14 were actually about 1mm longer then OEM injectors... However, thats just the length of the injector. The distance between the o-rings is what made the issue... The distance between the OEM o-rings was about 2-3mm longer then the EV14.

We are talking about millimeters here, and I very well am just being ultra paranoid and over reacting, but since were dealing with high pressure fuel here...

Thanks so much for the advice/help guys! Car started up beautifully.
- car has no tune right now and just installed clutch, so owner won't be able to romp on it for awhile

[The_Jerbel]

Good stuff. So I assume you went with the injector clips and no spacers?

[gearhead1186]

im putting in a new aux water pump today or tomorow so ill take pics of the ev14s vs the stockers..

[Raacerx]

Good stuff. So I assume you went with the injector clips and no spacers?

yeah. After talking to 034, VAST, and a couple other people who installed them, they said I had to run the injector clips. I dunno... I am doing my Stage 3 next week and doing EV14 injectors and 034 is installing them, so I'll watch what they do and check the o-ring clearance.

im putting in a new aux water pump today or tomorrow so ill take pics of the ev14s vs the stockers..

Your #72 are bigger then the #52 (physically), so not sure they are the same distance, but please take pics.

I also see you are running the 034 rails. Look really nice!

[gearhead1186]

Your #72 are bigger then the #52 (physically), so not sure they are the same distance, but please take pics.

I also see you are running the 034 rails. Look really nice!

As promised...

[car]

I installed my 60# EV-14s in my 2000 and the o-rings are sitting just below the bottom of the bevel. Perfect fitment for me. I will get some pictures as soon as I get my camera back.

[twinevos4]

where is everyone getting their ev injectors bigger then #52`s. cause bosch only makes them as high as #52`s. i know I.D. makes them but ends up costing $700. who else modifies them ? looking for 70#`s or 80#`s at 3 bar. tnxx

[BlkdoutS4]

where is everyone getting their ev injectors bigger then #52`s. cause bosch only makes them as high as #52`s. i know I.D. makes them but ends up costing $700. who else modifies them ? looking for 70#`s or 80#`s at 3 bar. tnxx

i googled "bosch 72lb injectors" and came up with multiple places selling them..

[Raacerx]

I installed my 60# EV-14s in my 2000 and the o-rings are sitting just below the bottom of the bevel. Perfect fitment for me. I will get some pictures as soon as I get my camera back.

could you? I'd love to see some pics of them installed on stock rails, just to compare.

[AudiSportB5S4]

where is everyone getting their ev injectors bigger then #52`s. cause bosch only makes them as high as #52`s. i know I.D. makes them but ends up costing $700. who else modifies them ? looking for 70#`s or 80#`s at 3 bar. tnxx

Which are you looking for? I run my EV14s at 4 bar which is 60lb/hr.

You can call VAST about the modified injectors

[Evilevo]

where is everyone getting their ev injectors bigger then #52`s. cause bosch only makes them as high as #52`s. i know I.D. makes them but ends up costing $700. who else modifies them ? looking for 70#`s or 80#`s at 3 bar. tnxx

Got mine from VAST. They are either 80# or 82# @3BAR, i dont remember which.

[car]

Which are you looking for? I run my EV14s at 4 bar which is 60lb/hr.

You can call VAST about the modified injectors

Mine are 60# with a 3 bar fpr. 60 is scribed on the side of the plug.

[gearhead1186]

got my 72s from EPL

[americanthunder]

I just installed my ev-14's I ran into the same probems raacer had. They wouldn't sit deep enough when clipped to the fuel rail. I ended up taking the lower o-rings off the stock injectors cause they are much beefier. They were tough to get it but after lubing them and working them all in out and before putting the rail on I got them to fit deep. I used stock clips no spacers and I got them to fit like the stock injectors. I feel 100% confident in this method. The lower o-rings that came with the ev-14's didn't seem to sit deep enough because they float a little bit on the injector. The beefy stock ones fill out all the space.

[car]

I just installed my ev-14's I ran into the same probems raacer had. They wouldn't sit deep enough when clipped to the fuel rail. I ended up taking the lower o-rings off the stock injectors cause they are much beefier. They were tough to get it but after lubing them and working them all in out and before putting the rail on I got them to fit deep. I used stock clips no spacers and I got them to fit like the stock injectors. I feel 100% confident in this method. The lower o-rings that came with the ev-14's didn't seem to sit deep enough because they float a little bit on the injector. The beefy stock ones fill out all the space.

What year, manifold, fuel rail?