4.6 Early and Later Model
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Tuned
Joined: Aug 2002
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From: Greatest state on earth
4.6 Early and Later Model
Bad motor in 2007 F150 with 4.6 two valve engine. I have a donor engine from 98 model E100. There are differences in the heads, but I think the 07 intake will still fit. Can someone verify if the swap will work? I am hoping the 98 long block will swap over with 07 bolt ons.
The intake runners are more round and smaller on early model. The 07 has larger squarish openings. If the injectors are in same location, it appears like the 07 intake and gaskets will work.
The 2007 engine had only water in block during a very hard freeze. Crankcase filled with water. So far I have not found where it is leaking from. The radiator completely emptied into oil. I drained 3 1/2 gallons of white sludge from oil pan. Engine only ran for a few minutes as water mixed. Spark plugs show no signs of water intrusion. I am down to either a cracked block or one of the cylinder heads as the problem. Maybe an outside chance of front freeze plug on head could have popped out.
I have both engines stripped down ready to pull out of each vehicle. Any suggestions would be greatly appreciated. Thanks
The intake runners are more round and smaller on early model. The 07 has larger squarish openings. If the injectors are in same location, it appears like the 07 intake and gaskets will work.
The 2007 engine had only water in block during a very hard freeze. Crankcase filled with water. So far I have not found where it is leaking from. The radiator completely emptied into oil. I drained 3 1/2 gallons of white sludge from oil pan. Engine only ran for a few minutes as water mixed. Spark plugs show no signs of water intrusion. I am down to either a cracked block or one of the cylinder heads as the problem. Maybe an outside chance of front freeze plug on head could have popped out.
I have both engines stripped down ready to pull out of each vehicle. Any suggestions would be greatly appreciated. Thanks
Fleet Mechanic
Joined: Jul 2019
Posts: 1,304
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I think you’d be okay, but I believe intake gaskets need to be dealt with and a coolant temp sensor needs to be tapped for use…?
https://stangnet.com/mustang-forums/....913649/?amp=1
That may line things up for you.
https://stangnet.com/mustang-forums/....913649/?amp=1
That may line things up for you.
Thread Starter
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Tuned
Joined: Aug 2002
Posts: 476
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From: Greatest state on earth
Thanks for the info. The 98 van is a Windsor engine and 07 F150 is Romeo. The 07 F150 intake openings are a lot smaller than in cylinder head. But still slightly larger and more square than the 98 engine. Except for size of openings, it looks like the intake will work.
I see that some of the flex plates between Windsor and Romeo could be either 6 or 8 bolt. Most replacement parts show the 97-2014 E150 and 97-2010 f150 are the same.
So far if the 07 intake will fit without a problem on the 98, then the swap may work out. Fingers still crossed.
I see that some of the flex plates between Windsor and Romeo could be either 6 or 8 bolt. Most replacement parts show the 97-2014 E150 and 97-2010 f150 are the same.
So far if the 07 intake will fit without a problem on the 98, then the swap may work out. Fingers still crossed.
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venom69
335 Series- 5.8/351M, 6.6/400, 351 Cleveland
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