302 HO Firing Order
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Old December 10th, 2007, 09:36 AM   #1
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302 HO Firing Order


what is the firing order for the HO motor so i can check to see if this motor is an HO. i have a feeling its just got the HO intake. and also isnt the HO intake water cooled? where does the water come in and go out?
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Old December 10th, 2007, 09:39 AM   #2
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http://www.moddedmustangs.com/ford-firing-orders.html
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Old December 10th, 2007, 09:40 AM   #3
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Old December 10th, 2007, 09:42 AM   #4
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water comes from the head ports and out the thremostat hole on front of the intake.
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Old December 10th, 2007, 09:48 AM   #5
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i know the lower intake but i heard the upper intake was water cooled??? false???
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Old December 10th, 2007, 10:58 AM   #6
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no it's not but the egr spacer has cooling hoses to it
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Old December 10th, 2007, 12:17 PM   #7
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so the firing order is diffrent than that of the regular 302?
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Old December 10th, 2007, 01:30 PM   #8
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Originally Posted by 83five0 View Post
so the firing order is diffrent than that of the regular 302?
Yes. The H.O. engines use a 351W firing order.
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Old December 11th, 2007, 04:28 PM   #9
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so the e303 will not work in an ho motor it has to be a 351 cam correct
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Old December 11th, 2007, 04:32 PM   #10
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no, the e303 and all of the alphabet cams are made for HO firing order. Anyway, you can use either cam in either motor, you just have to route the plug wires the same as the cam is designed for.
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Old December 11th, 2007, 08:08 PM   #11
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Originally Posted by ryans88gt View Post
no, the e303 and all of the alphabet cams are made for HO firing order. Anyway, you can use either cam in either motor, you just have to route the plug wires the same as the cam is designed for.
What he said. ^
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