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Old 05-01-2006, 07:50 PM
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What is the firing order of a 95 ford f150 302?

Hey guys,

Just as the title states i need the firing order.. Did they only put HO's in these or did they come with standard 302's as well??

Thanks alot
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  #2  
Old 05-01-2006, 08:09 PM
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1-3-7-2-6-5-4-8; distributor rotates counter clockwise. As far as I know, they're all HO engines.
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Old 05-01-2006, 08:42 PM
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You'd better check that. THere are two distictly different firing orders, and they were used somewhat in random. The 302 also used the 351 firing order on some makes and models.

1-3-7-2-6-5-4-8 5.0 HO
1-5-4-2-6-3-7-8 Base 5.0
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  #4  
Old 05-17-2006, 10:25 PM
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Also...

The two different firing orders I believe coincide with either one throttle body or two. Ford made a limited number of the 5.0 engines with two throttle bodies as an experiment. Isn't it fun trying to replace plugs 4 and 8 LOL...
-(New member new '95 150 owner. I love mine so far!)
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  #5  
Old 05-17-2006, 11:29 PM
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SAY WHAT?? Twin tb?
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  #6  
Old 05-18-2006, 12:02 AM
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you also have to watch the plug wire routing on 7 and 8. they can not run side by side or the could induse a spark and cause predetionation and wost case break a piston. We have seen this at my shop. there are tsb's for this
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Old 05-18-2006, 10:29 PM
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Unless otherwise specified on the underhood decal, all 1995 Light Duty trucks with a 5.0L used the 1-3-7-2-6-5-4-8 firing order.

Quote:
Originally Posted by coryrhonda
you also have to watch the plug wire routing on 7 and 8. they can not run side by side or the could induse a spark and cause predetionation and wost case break a piston. We have seen this at my shop. there are tsb's for this
This is an excellent point, but it applies more to the older firing order (1-5-4-2-6-3-7-8). With the current firing order, you need to keep the wires going to cylinders 6 & 5 completely separated. Any time you have sequentially fired cylinders next to each other on the same bank, you risk creating a missfire if the wires contact each other.
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  #8  
Old 05-19-2006, 02:22 AM
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I thought they put the HO in the mustang 5.0 because it had highflow exhuast headers and a performance cam?
i could be wrong though
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  #9  
Old 05-19-2006, 06:55 AM
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Quote:
Originally Posted by Rawlyboy
I thought they put the HO in the mustang 5.0 because it had highflow exhuast headers and a performance cam?
i could be wrong though
There were lots of differences between the H.O. 5.0L and the non-H.O. 5.0L engines over the years. The H.O. 5.0L was used in several Ford vehicles, not just Mustangs.
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Old 05-19-2006, 07:41 AM
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Maybe this will help...

Ford 5.0L V8 Firing Orders

1-5-4-2-6-3-7-8 was used in:

* 1979 and earlier 5.0L V8's
* 1979-1993 truck 5.0L V8's
* Base (non-H.O.) passenger car 5.0L V8's
* 1980-1982 4.2L V8's


1-3-7-2-6-5-4-8 was used in:

* 1982 and later H.O. & GT-40 5.0L V8's
* 1994 and later truck 5.0L V8's
* 5.8L V8's
* 460ci V8's
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Old 05-19-2006, 07:41 AM


 
 
 
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