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

Injector Sequence?

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Old Aug 7, 2004 | 04:55 PM
  #1  
Fleetwood405's Avatar
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From: Coatesville, PA
Car: '87 Firebird, '89 Tempo (beater)
Engine: 2.8l
Injector Sequence?

I have an 87 Firebird that blew a connecting rod because of the incompitance of a local mechanic, but thats a story for another day. what i need help with is part of the last stages of my engine swap, i bought a reconditioned 2.8 from Recon and have it in the car but during the removal of the old mill, the injectors were simply removed and tossed in a box with the rail with no markings as to which cylinder each corresponds to. I want to know what there is to do besides inspecting each injectors wires to see how far they were meant to stretch. I CAN tell where the first and last injectors go as there isn't another injector near it, but it's the four cylinders that have adjacent cylinders that im questioning.

Should i just look at each one carefully and make my best guess, then if its running wrong, try it again?

Thanks for your help.
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Old Aug 7, 2004 | 05:02 PM
  #2  
TechSmurf's Avatar
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From: Tucson, AZ, USA
Car: '99 Trans Am, '86 Camaro
Engine: LS1, Scrap
Transmission: T56, T5
Axle/Gears: 3.42 Stock ZT, 3.42 Open
Uhm... they're batch fire (left side/right side, 135/246).. not sequential... it won't run any differently if you accidentally mix up the connectors so long as they're all connected.
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Old Aug 7, 2004 | 05:14 PM
  #3  
Fleetwood405's Avatar
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From: Coatesville, PA
Car: '87 Firebird, '89 Tempo (beater)
Engine: 2.8l
Awesome, that's exactly what i wanted to hear, thanks
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Old Aug 7, 2004 | 05:16 PM
  #4  
Fleetwood405's Avatar
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From: Coatesville, PA
Car: '87 Firebird, '89 Tempo (beater)
Engine: 2.8l
I read something somewhere in the forum that the clips on the injectors arent needed, do I not need to replace them, it was argued but never resolved.
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Old Aug 7, 2004 | 07:55 PM
  #5  
Projek: 85 3800's Avatar
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From: Iraq
Car: 85 Firebird
Engine: 3800 Series II
Transmission: 4L60E
THe clips were used by the manufacturer to keep them inplace during build up. Not needed otherwise, as the o-rings & bolts holding down the fuel block will keep everything in place.
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Old Aug 8, 2004 | 10:28 AM
  #6  
Doward's Avatar
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From: Gainesville, FL
Car: 1988 Chevy Camaro Hardtop
Engine: Turbocharged/Intercooled 3.1
Transmission: World Class T5 5 Speed
Probably correct. At .99, I wanted the added piece of mind.

Hate to burn up my car due to a .99 clip.
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