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ImpalaSlayer
11-21-2010, 01:47 PM
are those little clips on the fuel injectors necessary? ive always put them back on but didnt know if i was wasting my time or not, they are always a pain in the ass. i dont see how they do anything except hold the injectors in the rail if you wanted to pull it off that way.
Bradley G
11-21-2010, 02:07 PM
I would not eliminate them, I can not give you a detailed explanation from an engineering perspective, but common sense tells me they are there for a reason.
I had to replace one that went missing on my Trilogy install I think I may still have some if you need a couple.
ImpalaSlayer
11-21-2010, 02:15 PM
I would not eliminate them, I can not give you a detailed explanation from an engineering perspective, but common sense tells me they are there for a reason.
I had to replace one that went missing on my Trilogy install I think I may still have some if you need a couple.

i dont need any, just didnt know if i was wasting my time putting them back on or not. thank you for the offer though.
FordNut
11-21-2010, 04:51 PM
My guess is they are safety related. The top of the injector sees full fuel pressure.
Chevyguy
11-22-2010, 06:05 AM
My 2V does not have such cips, I will have to look at the Marauder but my guess is the clips help installation as the injectors can pop out of the rail while installing them.
ctrlraven
11-22-2010, 06:38 AM
Dave didn't really want to put them back on my car cause they were such a PITA but he did anyways. <3 :lol:
SC Cheesehead
11-22-2010, 06:42 AM
Dave didn't really want to put them back on my car cause they were such a PITA but he did anyways. <3 :lol:


^^^^^^ THAT, right there, says it all about Dave. ^^^^^

He does it right, or he doesn't do it at all. :2thumbs:

PSI - FTW!
RacerX
11-22-2010, 07:26 AM
It's a backup. If your rails are properly installed on the inake, they aren't necessary. Yes, they should be there. Do they have to be there for years of safe function, no. It's easier to pull the intake off with fuel rails attached btw. The fuel hose removal tool is a couple buks and it takes ten secs to depressurize the system.
massacre
11-22-2010, 08:07 AM
The early motors didn't have the clips, but they also had the EV1 injectors, VS. the EV6 injectors of the newer motors.
ImpalaSlayer
11-22-2010, 09:38 AM
It's a backup. If your rails are properly installed on the inake, they aren't necessary. Yes, they should be there. Do they have to be there for years of safe function, no. It's easier to pull the intake off with fuel rails attached btw. The fuel hose removal tool is a couple buks and it takes ten secs to depressurize the system.

just how do you properly depressurize the fuel system?
Blackened300a
11-22-2010, 09:49 AM
The schrader valve on the fuel rail. I never did it when removing injectors or the rail, but thats the proper way.
RacerX
11-22-2010, 10:34 AM
I pull the fp fuse and turn the engine over until it won't start, about 2 seconds.
massacre
11-22-2010, 10:36 AM
You can also trip the inertia switch.
RacerX
11-22-2010, 10:37 AM
You can also trip the inertia switch.
Or just run into a wall! :D
ctrlraven
11-22-2010, 10:43 AM
I pull the fp fuse and turn the engine over until it won't start, about 2 seconds.
I do that when I change the fuel filter.
CBT
11-22-2010, 11:38 AM
I do that when I change the fuel filter.
Why for if I may ask?
fastblackmerc
11-22-2010, 12:15 PM
Why for if I may ask?

So you don't get a high-pressure gas bath.

I just depress the schrader valve.
CBT
11-22-2010, 12:22 PM
So you don't get a high-pressure gas bath.

I just depress the schrader valve.

I changed mine, I didn't disconnect anything or unplug anything and nothing happened. When you turn the key, you hear the fuel pump load the line, correct? Key off, no pressure. :confused:
CBT
11-22-2010, 12:23 PM
So you don't get a high-pressure gas bath.

I just depress the schrader valve.

This I will actually try when I pull my lower intake.
4play
11-22-2010, 01:08 PM
If you depress that valve don't you spray fuel all over the engine? I just wack the shut off switch in the trunk with the engine running, it pops about 10 seconds later the engine stalls, done.
RacerX
11-22-2010, 01:17 PM
This I will actually try when I pull my lower intake.
It's still pressurized after the car is off. Just be careful. Wrap it with a clean rag before you push it in. So you don't get it in the face... :D
CBT
11-22-2010, 03:16 PM
Just be careful. Wrap it with a clean rag before you push it in. So you don't get it in the face... :D

That's what she said! No wait, that's what I said! We BOTH said it!!
CBT
11-22-2010, 03:18 PM
Either way, I'm going to pull mine and swap in a lower and upper intake that i've cleaned and burred and polished on. I'm 100% positive there are no birds nests or chicken coops or rabbit factories between the block and the intake.
Chevyguy
11-23-2010, 01:14 PM
Took a look at the fuel rail today...

The 2V rails secure the injectors MUCH better, the bolts are at the ends and the rail is wider etc..

http://i348.photobucket.com/albums/q329/folingo/1996%20Town%20Car%20Signature/Engine%20Swap/SL372224.jpg

The 4V rails have the mount studs between injectors so it does not clamp down as firmly thus Ford added the clips.
RacerX
11-23-2010, 01:24 PM
:eek: Your brake lines are scary...