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proper 460 plug wire routing

1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

proper 460 plug wire routing

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Old

Apr 23, 2022 | 01:30 PM

#1

ScottinAZ

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Cross-Country

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proper 460 plug wire routing

OK, I have heard and read on here that some of the small block Ford engines have a crosstalk issue on the plug wires if not routed correctly. Since I am dorking around cleaning "stuff" up on my truck, and since I didnt route the plug wires in any particular fashion when I replaced them, what is the "correct" routing for the plug wires at the distributor end? Engine is a 1995 F250 with the 460 in it

I cant seem to find any of the relevant threads for the life of me today.....

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Old

Apr 23, 2022 | 01:45 PM

#2

SFaulken

Cargo Master

Joined: Nov 2009

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I don't believe the 460 has this issue. Or at least it's not common enough that I've heard of anybody complaining about it.

It's primarily a 302 issue, especially if it's the old non-HO Firing order.

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Old

Apr 23, 2022 | 02:00 PM

#3

ScottinAZ

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Quote:

Originally Posted by SFaulken

I don't believe the 460 has this issue. Or at least it's not common enough that I've heard of anybody complaining about it.

It's primarily a 302 issue, especially if it's the old non-HO Firing order.

well, OK then.... I shall not worry about it, and just route the wires in the most aesthetically clean way..... right now the top of the distributor looks like a spaghetti factory

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Old

Apr 23, 2022 | 03:01 PM

#4

torq'ta 5 8

Lead Driver

Joined: Jan 2019

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From: N.W. Alabama

460 firing order is same as old non-HO 302 firing, the HO302/351w firing order is the one that can cross fire, see below, 460/non-HO302 firing

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Old

Apr 23, 2022 | 03:08 PM

#5

SFaulken

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Quote:

Originally Posted by torq'ta 5 8

460 firing order is same as old non-HO 302 firing, the HO302/351w firing order is the one that can cross fire, see below, 460/non-HO302 firing

Right, I can't ever remember if it's the HO or Non-HO firing order that has the crosstalk issue. No idea why.

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Old

Apr 23, 2022 | 04:26 PM

#6

ScottinAZ

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Quote:

Originally Posted by torq'ta 5 8

460 firing order is same as old non-HO 302 firing, the HO302/351w firing order is the one that can cross fire, see below, 460/non-HO302 firing

thanks for this.

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Old

Apr 25, 2022 | 10:10 AM

#7

rla2005

Fleet Owner

Joined: Oct 2005

Posts: 20,789

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From: Kentucky

Quote:

Originally Posted by SFaulken

I can't ever remember if it's the HO or Non-HO firing order that has the crosstalk issue.

Both firing orders are susceptible. That's why the wire routing instructions are different.

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