TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

spark plug firing order??

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Old Jul 23, 2011 | 06:13 PM
  #1  
Jfar's Avatar
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From: Texas
Car: 92 RS anniversary edition
Engine: 305 TBI
Transmission: 700R4
spark plug firing order??

what is the firing order for a 92 305 TBI engine? I recently took the plugs out and forgot to label which order they go back in, thanks for any help
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Old Jul 23, 2011 | 06:34 PM
  #2  
bigreed91's Avatar
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Joined: Jun 2011
Posts: 384
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From: Columbia, TN
Car: 1990 camaro rs
Engine: 5.0L 305 tbi
Transmission: 700r4
Axle/Gears: 2.73
Re: spark plug firing order??

18436572 its the same on the 305s and the 350s
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Old Jul 23, 2011 | 06:53 PM
  #3  
UnderCover89TBI's Avatar
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From: Manteca,California. Nor Cal.
Car: SOLD IT. Mopar guy only now.
Engine: gone
Transmission: gone
Axle/Gears: gone
Re: spark plug firing order??

yup 1 8 4 3 6 5 7 2 is correct
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Old Jul 23, 2011 | 07:00 PM
  #4  
Jfar's Avatar
Thread Starter
Junior Member
 
Joined: Jul 2011
Posts: 22
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From: Texas
Car: 92 RS anniversary edition
Engine: 305 TBI
Transmission: 700R4
Re: spark plug firing order??

Ok so this might be a dumb question but how are they numbered on top and on bottom?
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Old Jul 23, 2011 | 07:01 PM
  #5  
Apeiron's Avatar
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Joined: Jan 2000
Posts: 20,981
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: spark plug firing order??

Left side odd, right side even, increasing from front to back.
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Old Jul 23, 2011 | 07:09 PM
  #6  
BlackenedBird's Avatar
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Joined: Mar 2011
Posts: 2,893
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From: Central Texas
Car: GTA
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: Aussie 9-bolt/3.27 posi
Re: spark plug firing order??

The above firing orders are correct.



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Old Jul 23, 2011 | 07:49 PM
  #7  
Jfar's Avatar
Thread Starter
Junior Member
 
Joined: Jul 2011
Posts: 22
Likes: 0
From: Texas
Car: 92 RS anniversary edition
Engine: 305 TBI
Transmission: 700R4
Re: spark plug firing order??

Alright sweet thanks guys I'm a fairly new car guy so I'm trying to get my knowledge up lol in the process of putting on headers now, this is alot of work haha
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Old Jul 24, 2011 | 06:20 PM
  #8  
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Joined: Jun 2006
Posts: 181
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From: Dallas, TX
Car: 1982 Z-28
Engine: 5.7L Crossfire
Transmission: TH-350
Axle/Gears: GM Posi, 3.73
Re: spark plug firing order??

Good luck and welcome to the hobby. I replaced the valve covers for my first mod and remember being afraid the engine wouldn't start afterwards. This was on my '64 Impala back in the 80s. I've learned a lot since then.
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