Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

ORDER OF WIRES LEADING TO INJECTORS

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Old Aug 14, 2009 | 05:59 PM
  #1  
firebird310's Avatar
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Joined: Aug 2009
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From: CA
Car: 89 FORMULA 350
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: 327
ORDER OF WIRES LEADING TO INJECTORS

I HAVE AN 89 TPI 350, JUST PUT IT BACK TOGETHER AND NOT SURE IF I HAVE THE WIRES TO THE INJECTORS IN THE CORRECT ORDER. IF ANYONE HAS ANY REMEDIES OR SOLUTIONS IT WOULD BE GREATLY APPRICIATED.
CW
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Old Aug 14, 2009 | 07:18 PM
  #2  
Twin_Turbo's Avatar
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From: Enschede, Netherlands
Car: 82 TA 87 IZ L98 88 IZ LB9 88 IZ L98
Engine: 5.7TBI 5,7TPI 5.0TPI, 5,7TPI
Transmission: T5, 700R4, T5, 700R4
Axle/Gears: 3.08, 3.27, 3.45, 3.27
Re: ORDER OF WIRES LEADING TO INJECTORS

Doesn't matter, it's batch fire. IE one entire cyl row fires at a time.
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Old Aug 15, 2009 | 10:11 AM
  #3  
BigBadLou's Avatar
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Car: '91 Z28 convertible
Engine: TPI
Transmission: T5
Axle/Gears: 3.27 posi disc
Re: ORDER OF WIRES LEADING TO INJECTORS

Originally Posted by Twin_Turbo
Doesn't matter, it's batch fire. IE one entire cyl row fires at a time.
Twin Turbo is right.

But just to clear up any confusion:
- batch fire fires all injectors on the engine (in our Cheby case)
- bank fire fires injectors on alternate banks

Our TPI system batch fires all 8 injectors on every crankshaft revolution, i.e. twice per a camshaft revolution, i.e. twice per firing cycle. That's why standard injector PW and injector time don't apply.

Hope this helps.
Lou
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