HEI 351w firing order - Forums at Modded Mustangs
 
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post #1 of 9 Old May 26th, 2011, 10:16 PM Thread Starter
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HEI 351w firing order

I have a 351w with a hei distributor and a x 303 cam the 351 is a mexiican block.I just cant seem to get the timing down to get the car to start.Getting fuel and spark.I just cant pin point which spark plug wire goes where.Any help would be nice.

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post #2 of 9 Old May 26th, 2011, 11:16 PM
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Firing Order for Ford 351 V8 (2055)
Ford Windsor (289, 302, 5.0, 5.0HO, 351) Firing Order & Cylinder numbers


DART 331ci stroker, AFR 185 heads,
Trick Flow R intake,
Accufab 70mm tb, 75mm pro m Maf, 30lb injectors,
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flowmaster super 10 mufflers,
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post #3 of 9 Old May 27th, 2011, 07:31 AM Thread Starter
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does the rotor button facing a sertain way to be

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post #4 of 9 Old May 27th, 2011, 08:15 AM
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As long as the rotor is pointing towards the number 1 cylinder plug wire at TDC on the compression stroke, it can be anywhere on the dizzy you want it to be. Just make sure everything after it is in the correct order and you're good.
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post #5 of 9 Old May 27th, 2011, 09:29 PM Thread Starter
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ok I didnt do that I just put the dizzy in facing the right way and plugs on right cylinders but the rotor button wasnt in the right spot.Would that make it not start at all rotor button being off.

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post #6 of 9 Old May 27th, 2011, 09:57 PM
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Yep, it's gotta be lined up like I described or the car won't run.
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post #7 of 9 Old May 27th, 2011, 10:08 PM
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Start over and find TDC on cylinder number one. Look where the rotor is pointing. Loosen the distributor and put the cap on it and adjust it until the rotor is directly under the post you want #1 to be. Then put your wires on counter clock wise 13726548. This should get you close enough to start it. After you start the car, use a timing light to set your correct timing.

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post #8 of 9 Old May 28th, 2011, 06:51 AM Thread Starter
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iam gonna give this a shot when i get off work.Rotor button point toward cylinder 1 or 1 on the distributor.

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post #9 of 9 Old May 28th, 2011, 07:59 AM
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The post that you are going to use as number one on the cap. Theoretically, you can drop the distributor in wherever you want as long as you use a post that is directly above it for #1 when you are at top dead center. Most people/Factory location point the rotor to the top left area (when looking at it from the front) for #1 when the distributor is dropped in. It keeps your plug wire neater.

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