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Old 08-21-2015, 02:04 PM   #1
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Installing new injectors: Any directions?

Got my 47lb injectors ready to finally install! I'm going to do it myself, as I've heard it's not too difficult. Been searching around but doesn't seem to be any videos or write ups on how to install. I just like to follow these things to ensure everything goes right the "first time" haha.

Anyone know of any walkthroughs?


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Old 08-21-2015, 02:12 PM   #2
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Doubt there is any videos. It's simple just pull off the fuel rails. Then take out old injectors and put new ones in.


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Old 08-21-2015, 04:23 PM   #3
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One thing I wished I did was blow out the area and/or vacuum out the crevices around the injectors before I took them out.

Other than that, have a bunch of rags ready.


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Old 08-21-2015, 10:54 PM   #4
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just pay special care to not lose any O-rings. When putting my cobrajet manifold on I didn't have this problem, but when taking it back off and going to stock I did ... spent THREE DAYS datalogging and going over every stupid vacuum line and checking torque before I finally built a smoke tester and realized I'd just lost an injector o-ring -_- not one of my proudest moments.
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Old 08-21-2015, 11:12 PM   #5
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just pay special care to not lose any O-rings. When putting my cobrajet manifold on I didn't have this problem, but when taking it back off and going to stock I did ... spent THREE DAYS datalogging and going over every stupid vacuum line and checking torque before I finally built a smoke tester and realized I'd just lost an injector o-ring -_- not one of my proudest moments.

Oh gosh. Ok will do. I'll attempt my best 😕


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Old 08-23-2015, 06:45 AM   #6
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Definitely keep a shop vac handy; a surprising amount of dust a dirt build down in there. Don't forget to de-pressurize your fuel system first or you will get gas sprayed on your face, clothes, etc.

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Old 08-23-2015, 09:35 AM   #7
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Make sure the rails are fully seated down. All you have to be is careful. Ford provides nice little clips to hold the injectors in. You'll want to pull the rail fully and work in a clean environment. That means disconnecting one line on the drivers side, not really hard. The rail contains A LOT of gas, be ready with the shop rags.

Make sure the injectors go into the line angled like the ones that came out. It's tight in there.

Why are you installing larger injectors?
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Old 08-23-2015, 12:57 PM   #8
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I thought he was switching to e85...oh and be sure to put that sound deadening foam back around the injectors. Those injectors are surprisingly loud!

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Old 08-23-2015, 02:41 PM   #9
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I thought he was switching to e85...oh and be sure to put that sound deadening foam back around the injectors. Those injectors are surprisingly loud!

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Really?!?! How are injectors loud?

(That's a serious question, I'm not trying to be a jerk or anything)


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Old 08-23-2015, 03:18 PM   #10
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Yes, I'm going e85. Well looks like this'll be a fun install lol


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Old 08-24-2015, 01:06 AM   #11
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Really?!?! How are injectors loud?

(That's a serious question, I'm not trying to be a jerk or anything)


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You would have to ask an engineer or someone smarter than me as to exactly why. Not a big deal...

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Old 08-24-2015, 10:15 AM   #12
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An injector is just a solenoid (moveable electric valve) with some holes in the end. Eight of them switching on and off at a very high rate of speed makes for some clickety-clack.
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Old 08-24-2015, 04:04 PM   #13
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Just did that and ported my boss intake this past weekend. Looks others have mentioned depressurise the rail and have lot of tags handy. Not a bad swap at all.

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Old 08-24-2015, 04:25 PM   #14
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You don't even have to depressurize the fuel rail. Or need a lot of rags. I have done this probably 10 times so far. Pull the fuel line off the rail. Once you get the rails off bring it outside of the garage. And let all the fuel leak out on the ground. Then remove injectors.
Simple takes 30-45 min to swap injectors from start to finish. Very simple. And never once got fuel everywhere


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Old 09-04-2015, 07:23 PM   #15
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Are these okay to lube the o rings on the injectors Click image for larger version

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Old 09-04-2015, 08:27 PM   #16
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Well the injectors don't fit? They are too small? Anyone know what's happening? I thought it was a direct replacement


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Old 09-04-2015, 08:28 PM   #17
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Why would you grease the of rings, simply pop the Injectors in and reinstall rail.

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Old 09-04-2015, 08:34 PM   #18
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Quote:
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Well the injectors don't fit? They are too small? Anyone know what's happening? I thought it was a direct replacement


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Sounds like you received the wrong Injectors. Mine were direct fit.

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Old 09-04-2015, 08:35 PM   #19
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Installing new injectors: Any directions?

No reason they should be to small. Who or where did you get them?
And no do not grease them

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Old 09-04-2015, 08:44 PM   #20
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They are like an inch shorter. And it's ford racing bought from a guy on svtperformance website


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---------- Post added at 08:44 PM ---------- Previous post was at 08:44 PM ----------

Well a half an inch shorter to be exact


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Old 09-04-2015, 08:46 PM   #21
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Click image for larger version

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Old 09-04-2015, 08:49 PM   #22
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Lol he sold you the ones from a gt500

They will work with some adapters. But then problems arise. Sell them and buy the proper ones


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Old 09-04-2015, 08:57 PM   #23
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Damnnnnit. I got screwed. You think I should just buy directly from Ford dealer tomorrow? Should be roughly same price as on online vendors huh


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Old 09-04-2015, 08:58 PM   #24
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Installing new injectors: Any directions?

Quote:
Originally Posted by Jvibe92 View Post
Damnnnnit. I got screwed. You think I should just buy directly from Ford dealer tomorrow? Should be roughly same price as on online vendors huh


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Lol yes you did.
Go with late model restoration or AM


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Old 09-04-2015, 08:59 PM   #25
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I don't get them till Tuesday :/ Labor Day weekend... Damn


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Old 09-04-2015, 09:27 PM   #26
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I don't get them till Tuesday :/ Labor Day weekend... Damn


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Dam late model and Labor Day lol.

Did you tell the guy what you were putting them in? If so he either didn't know. Or just saw $ and didn't give a Sh1t


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Old 09-04-2015, 09:36 PM   #27
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This is what you need.

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Old 09-04-2015, 09:49 PM   #28
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Yeah he knew exactly what I needed. Lied to me I guess :/


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---------- Post added at 09:49 PM ---------- Previous post was at 09:48 PM ----------

Yeah. Imma see if anyone is here in Houston that's selling them. I don't feel like putting my old injectors back in. Already paid for my new tune anyways


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Old 09-04-2015, 10:53 PM   #29
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Well found a guy in houston. Selling for the same price I bought these used. Came from a supercharged whipper 5.0. Less than 5k miles on them. Should be alright?


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Old 09-04-2015, 11:01 PM   #30
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Well found a guy in houston. Selling for the same price I bought these used. Came from a supercharged whipper 5.0. Less than 5k miles on them. Should be alright?


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Yes Just check all the o-rings first.
It's a old style whipple right ?


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Old 09-04-2015, 11:04 PM   #31
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What do you mean by old style? It was bought from ford racing


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Old 09-04-2015, 11:13 PM   #32
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What do you mean by old style? It was bought from ford racing


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Rear inlet vs the new front inlet.


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Old 09-04-2015, 11:14 PM   #33
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Let me ask


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Old 09-04-2015, 11:22 PM   #34
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It's a rear inlet


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Old 09-04-2015, 11:27 PM   #35
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It's a rear inlet


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Your good then.


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