C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

ignition firing order diagram

Old 06-11-2007, 09:24 PM
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emo-vet
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Default ignition firing order diagram

hello there,
i was just wandering does any one have info/link on a l98 ignition firing diagram please?
i am after a picture to print and laminate for future reference thats all.
engine firing order is 1-8-4-3-6-5-7-2 isnt it ?
thank you
emo
Old 06-11-2007, 09:35 PM
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fxr4
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yes
Old 06-11-2007, 10:21 PM
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AGENT 86
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Not a firing order pic, but worthy of keeping.
http://members.shaw.ca/agent86/Spark...g%20Wiring.pdf

Last edited by AGENT 86; 06-11-2007 at 10:24 PM.
Old 06-12-2007, 02:46 AM
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hello there guys
thank you for your help regarding the firing order.
regards
emo-vet

Last edited by emo-vet; 06-12-2007 at 02:56 AM.
Old 06-12-2007, 07:59 AM
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Sam Lam
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A couple of comments:
1. The firing order of 1-8-4-6-3-5-7-2 if for a clockwise (viewed above the engine) rotation of the rotor button.
2. Agent86: The wires on my 89 distributor are not as shown in the drawings. #1 wire on my 89 is located where #8 wire is shown on your drawings. Must have been a change from 86 to 89 as my FSM illustrates the wiring locations on my 89 car.
Old 06-12-2007, 08:45 AM
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AGENT 86
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Originally Posted by Sam Lam
Agent86: The wires on my 89 distributor are not as shown in the drawings. #1 wire on my 89 is located where #8 wire is shown on your drawings. Must have been a change from 86 to 89 as my FSM illustrates the wiring locations on my 89 car.
Your #1 on cap is closer to passenger side ??
Old 06-12-2007, 09:57 AM
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Old 06-12-2007, 10:38 AM
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CFI-EFI
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Originally Posted by Sam Lam
2. Agent86: The wires on my 89 distributor are not as shown in the drawings. #1 wire on my 89 is located where #8 wire is shown on your drawings. Must have been a change from 86 to 89 as my FSM illustrates the wiring locations on my 89 car.
Number 1 can be anywhere. The others must follow in the correct order.

RACE ON!!!
Old 06-12-2007, 11:29 AM
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Originally Posted by CFI-EFI
Number 1 can be anywhere. The others must follow in the correct order.

RACE ON!!!
As long as the rotor points to number 1 when dropped, when number 1 is on TDC of compression stroke.

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