1994 Mustang GT Does A Cam Change The Firing Order Of A Motor? - Ford Mustang Forum
 
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post #1 of 10 (permalink) Old 03-28-2007 Thread Starter
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Red face 1994 Mustang GT Does A Cam Change The Firing Order Of A Motor?

does a cam change the firing order off a motor? i got a com cam 498lift, its should be like a 5.0h0 but i was told it may have the firing order of a 302? how can i tell does any 1 know?
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post #2 of 10 (permalink) Old 03-28-2007
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Yes, the camshaft dictates the firing order.

We couldn't tell you what the firing order is of the cam you bought because you provided no part number.

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post #3 of 10 (permalink) Old 03-29-2007
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The Mustang 302ci and 5.0L engine are one and the same. Tell us the part no. of the cam so we can help you more. If the cam is specific for that motor, the firing order will be the same as for a stock cam.


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post #4 of 10 (permalink) Old 03-29-2007 Thread Starter
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well my bro gave it to me and said its a com cam thats the same as a e303 498/498 but whats the firing order? i dont have the parts# cause its in the car?!?!
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post #5 of 10 (permalink) Old 04-11-2007 Thread Starter
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if its a diffrent firing order then stock will i need to get a different computer ?
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post #6 of 10 (permalink) Old 04-11-2007
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cams do not change the fire order of your motor. they change how long your valves in your head are open, and when it is that they open. They have no control on spark.

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post #7 of 10 (permalink) Old 04-11-2007 Thread Starter
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i messed around and found it has a 302 firing order non-ho
with this cam in it will my ho computer wwork now?
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post #8 of 10 (permalink) Old 04-12-2007
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Quote:
Originally Posted by fordpowerhouse View Post
i messed around and found it has a 302 firing order non-ho
with this cam in it will my ho computer wwork now?
the came will not work. If its not a HO came get rid of it and get you a HO cam.

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post #9 of 10 (permalink) Old 04-14-2007
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Ford changed the firing order of the 302 in 1985 when they installed the "Marine" cam in the first HO's. Hotrodders had been doing that for a long time. The Marine cam was actually a 351W cam. By using the 351W firing order in the old 289/302 motors you could run get an economical upgrade in power. The Chevy guys are doing a similar swap now to smooth out and improve the power pulses in the small blocks. The cam can definately change the firing order but it also has to be correct for the crank it is used with.

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Quote:
Originally Posted by 95GT5O View Post
Ford changed the firing order of the 302 in 1985 when they installed the "Marine" cam in the first HO's. Hotrodders had been doing that for a long time. The Marine cam was actually a 351W cam.
It was '82, not '85, and it was not from a "marine" engine. It was a D3OE ('73 Ford Torino w/ 351W) camshaft.
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