Modular 4.6L Tech For all your 1996-2005+ 2V, 3V, and 4V modular motor needs.
View Poll Results: What are your 5.4L swap plans?
Not swapping. You guys are nuts for trying.
1.82%
Not swapping but find the topic interesting.
12.73%
Thinking about doing the swap but not in the next year.
16.82%
Definitely going to do the swap in the next year or so.
25.45%
Doing it now. Looking for an engine or awaiting delivery.
15.45%
Doing it now. Already bought an engine.
18.64%
Done. Got my 5.4L and showin my tail lights to camaro's every day.
7.73%
Screw 5.4, I'm going diesel 4cylinder.
1.36%
Voters: 220. You may not vote on this poll

Anyone intrested in 5.4L swaps, in here. Need you to opine.

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  #6061  
Old 02-12-2009, 11:17 AM
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Originally Posted by TurboX2
Got a question that I should know the answer to....but don't and can't find it anywhere with searches... Will 3v heads bolt on a 2v shortblock assuming you don't care about the VCT? If so would you need all the 3v chains and guides or did they keep the sprocket size the same?
They will bolt on. You just need a set of solid cam gears from a V10, or the MMR VCT delete kit that includes solid gears. And I assume that 2v's and 3v's use the same chain setup, but I could be wrong.
 
  #6062  
Old 02-12-2009, 11:43 AM
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Originally Posted by srwhouston
With the column disconnected, what will that do? the exhaust is sitting on top of the shaft just barely. There isnt that much room for the motor to lower to go over the top of the exhaust. I would have to make up 2 inches down to make the shaft go over the exhaust
it will. mine was hitting the shaft so i unbolted it and pulled it out of the way. now that the motor is sitting down in the car the shaft clears it. plus ill get about another inch to an inch and a half when the motor mount stud sits in the proper spot
 
  #6063  
Old 02-12-2009, 06:33 PM
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well the car isnt starting, who the hell knows whats wrong. Time to light it on fire
 
  #6064  
Old 02-12-2009, 08:23 PM
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Did you pull any ground straps when you were messing around down there? (if these cars have them.)
 
  #6065  
Old 02-12-2009, 08:23 PM
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Is it turning over but not starting? or not turning over at all? Double check that every thing is hooked up, and give it alittle gas(pedal-wise) when you're turning it over, mine was a bitch like that for awhile.
 
  #6066  
Old 02-18-2009, 05:51 AM
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Hey guys, quick question. I am not getting oil pressure reading.

I put a new oil pump on the 5.4 when I installed it. ONe other thing I did was put the 4.6 oil filter and lower radiator hose assmembly with sensor on the 5.4. Should I have left the 5.4 assembly on it? WOuld that have anything to do with it? Possibly a port to the sensor not mating up?
 
  #6067  
Old 02-18-2009, 06:02 AM
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Originally Posted by srwhouston
Hey guys, quick question. I am not getting oil pressure reading.

I put a new oil pump on the 5.4 when I installed it. ONe other thing I did was put the 4.6 oil filter and lower radiator hose assmembly with sensor on the 5.4. Should I have left the 5.4 assembly on it? WOuld that have anything to do with it? Possibly a port to the sensor not mating up?
I dont know which one you have but more than likely you cant use the 5.4 oil filter adapter anyway, the one I had wouldnt clear. But that shouldnt have anything to do with it, have you verified that you have oil pressure?
 
  #6068  
Old 02-18-2009, 06:08 AM
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I am assuming that plug on that housing is for oil pressure right?
 
  #6069  
Old 02-18-2009, 06:25 AM
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Yeah that should be it
 
  #6070  
Old 02-18-2009, 06:36 AM
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where do you manually check oil pressure at on this motor? Can you think of anything I may have done during the swap to actually cause this problem? Or would you think it is a false issue?

I am not getting any codes or lights for oil pressure low, or sensor not working
 
  #6071  
Old 02-18-2009, 06:52 AM
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Originally Posted by srwhouston
where do you manually check oil pressure at on this motor? Can you think of anything I may have done during the swap to actually cause this problem? Or would you think it is a false issue?

I am not getting any codes or lights for oil pressure low, or sensor not working
Other than attaching a mechanical oil pressure gauge to the stock location, I dont know of any means of checking oil pressure. The stock sensor is just a pressure switch, when it drops below 6psi, the switch closes and the MIL light comes on. You should be reading in the neighborhood of 90 psi cold, and 25-30 psi hot at idle. If you are truly not getting any oil pressure, I woluld not run the engine as you will toast the bearings.
 
  #6072  
Old 02-18-2009, 06:58 AM
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Originally Posted by JScottGT
Other than attaching a mechanical oil pressure gauge to the stock location, I dont know of any means of checking oil pressure. The stock sensor is just a pressure switch, when it drops below 6psi, the switch closes and the MIL light comes on. You should be reading in the neighborhood of 90 psi cold, and 25-30 psi hot at idle. If you are truly not getting any oil pressure, I woluld not run the engine as you will toast the bearings.
you would think I would be getting a light if that was the case. hmmmmm
 
  #6073  
Old 02-18-2009, 07:00 AM
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The sensor might of been broken in the swap ($10). I suppose you could buy a manual gauge but for a quick way you could pop the sending unit or filter off and crank it over without starting it. Wont exactly be accurate but you would atleast know if you've got oil that far. I dont really think it will throw a code, I think its really just the sending unit and the gauge, atleast on my car but its a '97
 

Last edited by Morgan The Black; 02-18-2009 at 07:14 AM.
  #6074  
Old 02-18-2009, 08:41 AM
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wish i could help on the oil pressure problem but thats something i dont know much about.

i have a quick ?. im getting ready to start buying all the peices to do my swap. im gonna buy a new navi shortblock and timing cover. will my chains off my 4.6 work on the 5.4. will my tensioners fit? i know my secondary chains and tensioners will bc the have nothing to do with anything besides the head.
 
  #6075  
Old 02-18-2009, 09:46 AM
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Originally Posted by JohnnySVT
wish i could help on the oil pressure problem but thats something i dont know much about.

i have a quick ?. im getting ready to start buying all the peices to do my swap. im gonna buy a new navi shortblock and timing cover. will my chains off my 4.6 work on the 5.4. will my tensioners fit? i know my secondary chains and tensioners will bc the have nothing to do with anything besides the head.
You will need chains for a 5.4L because the distance from the crank to the CL of the cam sproket is longer (due to the additional deck height). All other components are the same as the 4.6
 
  #6076  
Old 02-18-2009, 10:51 AM
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ok cool. are the primary chains the same between 2v and 4v? or do i specifecally need the chains off a navi? just tryin to get stuff straight before i buy **** i dont need
 
  #6077  
Old 02-18-2009, 12:42 PM
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Originally Posted by JohnnySVT
ok cool. are the primary chains the same between 2v and 4v? or do i specifecally need the chains off a navi? just tryin to get stuff straight before i buy **** i dont need
IIRC, the primary chains are all the same on 5.4 regardless of SOHC or DOHC, that is why the DOHC's got a secondary chain arrangement.
 
  #6078  
Old 02-18-2009, 01:53 PM
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that was kinda my thoughts about it but didnt know for sure.
 
  #6079  
Old 02-18-2009, 02:53 PM
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damn... lost 2 pages of posts.
 
  #6080  
Old 02-18-2009, 02:57 PM
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I know, whats up with that.


I got the oil pressure right. So everything is good. Motor is screaming. Now I just need to pull it back up and get the headers swapped and she is ready for the road. thanks for all the help guys.
 
  #6081  
Old 02-18-2009, 03:02 PM
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database error on the server. we lost all kinds of content.
 
  #6082  
Old 02-18-2009, 03:07 PM
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Originally Posted by srwhouston
I know, whats up with that.


I got the oil pressure right. So everything is good. Motor is screaming. Now I just need to pull it back up and get the headers swapped and she is ready for the road. thanks for all the help guys.
Glad to hear it. Seems like we all run into little issues, some bigger than others.
 
  #6083  
Old 02-18-2009, 03:17 PM
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what are the two sensors/ plugs on the 5.4; one is right in the valley and the other is close to it by the driverside head towards the front of the engine. my 4.6 didnt have them.
 
  #6084  
Old 02-18-2009, 03:18 PM
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Originally Posted by JoeyMD
what are the two sensors/ plugs on the 5.4; one is right in the valley and the other is close to it by the driverside head towards the front of the engine. my 4.6 didnt have them.
The one in the valley is the knock sensor, the other is the cylinder head temp sensor. My car didnt have them either, Cobra's were the only ones with knock sensors.
 

Last edited by Morgan The Black; 02-18-2009 at 03:26 PM.
  #6085  
Old 02-18-2009, 03:22 PM
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Originally Posted by Morgan The Black
The one in the valley is the knock sensor, the other is the cylinder head temp sensor.
okay, do we have the plug on the wire harness that goes to them or no?
 
  #6086  
Old 02-18-2009, 03:32 PM
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Nope, 'fraid not
 
  #6087  
Old 02-18-2009, 03:41 PM
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so just tuck or cut them i guess
 
  #6088  
Old 02-18-2009, 04:13 PM
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Talking CONGRATS !!!

Originally Posted by srwhouston
I know, whats up with that.


I got the oil pressure right. So everything is good. Motor is screaming. Now I just need to pull it back up and get the headers swapped and she is ready for the road. thanks for all the help guys.
Glad to hear you got her going ... CONGRATS ON YOUR SUCCESS !!!

What was the problem with the oil pressure ... ???

Also ... what were the little problems that you repaired that kept it from starting for so long?

PM me you contact number please. It looks like I may finally have some time this weekend.
 
  #6089  
Old 02-18-2009, 05:43 PM
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Originally Posted by JoeyMD
so just tuck or cut them i guess
Just take them off, they dont go into anything.
 
  #6090  
Old 02-18-2009, 06:44 PM
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Joey what year is your block? this interests me bc i have a cobra and might want to reuse my knock sensor. but cobras have two knock sensors one on each side of the valley.

also does anyone know how big the hole for the know sensor is on the 5.4? i need it to be 3/8"
 


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