V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

My 2.8 needs injectors can anyone help me out!!!!

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Old Mar 22, 2002 | 07:15 PM
  #1  
onehotz's Avatar
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From: Des ,Plaines ILL, USA
My 2.8 needs injectors can anyone help me out!!!!

My '86 2.8 V6 camaro needs injectors, it runs like crap and i asume it's running on four cylinders! the repair shop say they would fix it for $735 ! (Yeah OK!!!) anyways, does anyone know if this is a simple task for me to replace the injectors myself? and if anyone know where i can buy some injectors for cheap!!!! or if anyone is selling them let me know Please! But if this is a simple task to remove all six and replace them i will do this myself, I hope someone can give me pointers thanks!
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Old Mar 22, 2002 | 08:03 PM
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WaynesRS's Avatar
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From: Baton Rouge ,Louisiana ,USA
How well do you know this shop that you brought it to ? If not very well , it maybe a good ideau to get a second opinion . Or if you really wanna do this yourself you could pull some from the boneyard out of a car swipe them in , then send the ones out of your car to rich at cruzin performance and get them cleaned if they're bad he will let you know . , TomP knows how to get in touch with him . I will be installing injectors on mine prabably on my spring break . I ordered Accel injectors from SUMMIT for $170 .I'll find the part number for ya later ! If I were you I'd make sure they just dont need cleaning first . The reason I just got new ones for my ride is Im 99% sure mine are about to take a crap on me ! I've already had a bad one last year . I don't wanna tell you "oh the injectors are easy to change " B/c I have not done it yet , plus I have done other mechanical work on my car and no pun intended at all , but I dont know what your mechanical ability is . .But , I will tell you , I dont belive its hard .If you look threw the side holes in your plenum , you should be able to see the injectors sticking out the top (some of them atleast) .
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Old Mar 22, 2002 | 08:12 PM
  #3  
CanadianCamaro's Avatar
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From: Chilliwack, BC
Car: 1992 Camaro RS
Engine: 5.7 V8 TPI
Transmission: T-5 5-Speed Manual
While I have not actually removed the individual injectors, I have replaced valve cover gaskets which involves disassembling the throttlebody/plenum/injector. I found it fairly easy to do but you definatly need a Chiltons or Haynes manual to do so, both are handy. If your mechanically inclined and take your time while following directions you'll be able to do it.

Make sure when you get new parts you include new plenum gaskets, I didn't and ended up with vacuum leaks
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Old Mar 23, 2002 | 08:19 AM
  #4  
KED85's Avatar
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From: ****SoCal, USA****
10mm 12 point socket, extra time, small screwdriver to remove the clip from injectors, wiring falls back into place very easy.
Use tape to label if ya need to.
It is rather easy.
JUST DO NOT GET ANY ANY ANY ANY DIRT INSIDE THE FUEL RAIL.
DO not disturb ANY cable setting, just loosen and move aside.
ALSO need fuel line wrenches to remove the fittings attaching gas line to fuel rail.
Easiest is to go to a yard and destroy that those cars figuring it out.
It is rather easy.
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Old Mar 24, 2002 | 11:22 PM
  #5  
Xenodrgn's Avatar
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From: Bayville NJ and Newark at NJIT.
I agree with Karl, go to the junkyard and destroy one of those engines working out the kinks on how to get the injectors out... it's not hard though... just make sure (as in any 'working on your car for a second' scenario) make sure you leave extra extra time....

As for injectors, go to a junkyard find a V6 or two, pull the injectors, and once you get them home, send them all out to Rich J at cruizinperformance.com and have him select the best ones and flow and clean them... then install them and your set.

Good luck.
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Old Mar 25, 2002 | 06:28 AM
  #6  
Project: 85 2.8 bird's Avatar
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From: BFE, MD
Car: 13 Ram 1500/ 78 Formy
Engine: 5.7 / 7.4
Transmission: 6sp / TH350
Axle/Gears: 3.55 posi / 3.23
I'll be geeting rid of mine in a couple weeks, there is also that place in indy that will clean them up for you . Costs about $35 a set. do a search for it.
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Old Mar 25, 2002 | 09:06 AM
  #7  
TomP's Avatar
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From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
Yeah, I agree, send the junkyard injectors out to http://www.cruzinperformance.com to have 'em flow tested & cleaned. If you get a bad injector from the yard, Rich will tell you, and might swap one of his collection in for cheap. It cost me $10/injector... and the turn-around time was fast, especially since I'm in NJ! You're much closer to the shop.
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Old Mar 25, 2002 | 09:10 AM
  #8  
TomP's Avatar
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From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
Oh & Rich even pre-installs new pintle caps and o-rings on the injectors. All you'd have to do is slap some extra engine oil (10w30, 5w30, whatever) on the o-rings, and maybe rub some inside the intake manifold where the injectors go (so the o-rings don't tear!), and you're good to go. The car will take a while to start after putting the new injectors in, since you'll have emptied out the fuel rail.

I didn't unhook any gas lines, except for the cold-start injector tube on the top of the fuel rail. I removed everything on the motor to get my fuel rail out, undid all the clips holding the steel fuel rail lines to the engine, and just swung the fuel rail out. I put a clean drain pan over the top of my engine, and changed the injectors that way. The hoses give enough play.

Be careful when removing the cold start injector tube from the top of the fuel rail. When I removed mine, the fitting (between the rail and CSI-tube) came out of the rail. Threading that thing in was a btch, make sure you don't crossthread it! That's a steel fitting going into an aluminum body and it'll crossthread easily!! Try not to bend the CSI tube when you remove it; if you bend the steel tube at an angle, that puts an angle into the fitting, and that's what screwed me up. Because of the tube, the fitting wouldn't go "straight in" to the rail. Know what I mean?

You might be better off disconnecting the CSI tube from the CSI injector, but I didn't ever take notice of how to do that.
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