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What is the firing order




By hammysr43 on May 10, 2009

" "
what is the firing order of a 305 gm starting on what side thanks
Comments:

May 10, 2009

- thank you very much pulled them offf didnt look to see were they went

May 10, 2009

- i understand were 1 thru 8 are now but were does the wires on cap start and finish as 1 thru 8

May 12, 2009

- thank you to all that help me hope i can help some one some day as you guys did again thank you

Best Solution

posted on May 10, 2009
Very Helpful)

HondaAl

Rank: Guru 
Rating: 95%, 42 votes
1-8-4-3-6-5-7-2 Standing in front of car looking at the engine, Cyl. 1 is on the right, Cyl. 2 is on the left, then they count towards the rear. So on the right side is 1-3-5-7, on the left is 2-4-6-8.
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Solution #2

posted on May 10, 2009
Very Helpful)

motor1258

Rank: Guru  Cars  Expert
Rating: 89%, 2074 votes
1,8,4,3,6,5,7,2. is firing order, distributor rotates clockwise. Standing in front of, right side 1,3,5,7. left, 2,4,6,8.
Comments:

May 10, 2009

- Been there, done that, in the earlier years. One thing good to know for future. When your wondering which cylinder is # 1, on any V-6 or V-8 engine, stand beside front of engine, (fender) look across front & whatever cylinder head sticks out the farthest towards front of vehicle, that is # 1.on that side.

May 10, 2009

- Set your timing marks at TDC on compression stroke & distributor rotor should be pointing at #1 wire terminal on cap.

May 11, 2009

- As mentioned above. Your rotor under cap will be pointing at #1 if your at "top Dead Center" on compression stroke. When your sure you've found #1, next one going clockwise beside #1 is # 8, then next one clockwise is # 4, then 3, 6, 5 ,7 ,2. Have a look at how far the wire has to go, from cap to spark plug to determine the best suited length.
Does that help?

May 12, 2009

- Your welcome, good luck.
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