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  • 1996 - 2004 SN95 Mustang -General/Talk-
  • SN95 4.6L Mustang Tech

04 4.6 (Kind of Long)

  • Thread starter Thread starter 1QWK96GT
  • Start date Start date May 2, 2005

1QWK96GT

Member
Nov 28, 2004
44
0
7
May 2, 2005
#1
  • May 2, 2005
  • #1
I just put a 04 4.6 in my 96 GT and everything went okay. Except the 04 exhaust manifolds will not fit the 96-98 UPR X pipe that I have, so now i have this stupid ass exhaust leak. I am just going to buy LT's my question is what is a good brand to get that does not cost a fortune? Also i have to get a new midpipe to accept the LT's. I was going to get a Prochamber but somebody told me they are really quiet, and that i should get the O/R H.

When we did the swap I used my 96 wiring harness which had two ECT sensors the 04 motor only has one spot for a ECT sensor. So i have been runing around with one unplugged the PCM thinks the motor is overheating and runs the cooling fan at all times. Is there anything else I can do other than drill and tap other sensor?

Also I used my 96 flywheel and clutch because my 96 clutch would not bolt to the 04 flywheel on the motor. Is the flywheel that came on the 04 motor an 11 inch? Is the 04 flywheel and clutch the same as the cobra's? If it is the same I am just going to use that flywheel and get a new clutch.
Thanks
 

stangman

15 Year Member
Jul 10, 2003
2,690
10
69
in a 3 bed, 2 bath
May 2, 2005
#2
  • May 2, 2005
  • #2
well the x-pipe should fit, they are the same design manifolds. as far as the prochamber it sounds great, not too loud & has a definate muscle car sound quality to it

here's my clip if you wanna know what it sounds like clicky & i do believe the clutch is an eleven inch if i remember correctly
 

Mike97gt

it doe snot
Founding Member
Jan 26, 1999
10,633
7
89
the people's republic of massachusetts
May 2, 2005
#3
  • May 2, 2005
  • #3
1QWK96GT said:
When we did the swap I used my 96 wiring harness which had two ECT sensors the 04 motor only has one spot for a ECT sensor. So i have been runing around with one unplugged the PCM thinks the motor is overheating and runs the cooling fan at all times. Is there anything else I can do other than drill and tap other sensor?
Click to expand...

yeah you can remove the sensor in the manifold. and build a t fitting that will fit into the one port in the manifold and allow for two fittings.. so just go too a hardware, and some auto parts stores should have everythign you need.
 

CanadaStang

New Member
Sep 7, 2003
2,093
1
0
Mb
May 2, 2005
#4
  • May 2, 2005
  • #4
1QWK96GT said:
I just put a 04 4.6 in my 96 GT and everything went okay. Except the 04 exhaust manifolds will not fit the 96-98 UPR X pipe that I have, so now i have this stupid ass exhaust leak. I am just going to buy LT's my question is what is a good brand to get that does not cost a fortune? Also i have to get a new midpipe to accept the LT's. I was going to get a Prochamber but somebody told me they are really quiet, and that i should get the O/R H.

When we did the swap I used my 96 wiring harness which had two ECT sensors the 04 motor only has one spot for a ECT sensor. So i have been runing around with one unplugged the PCM thinks the motor is overheating and runs the cooling fan at all times. Is there anything else I can do other than drill and tap other sensor?

Also I used my 96 flywheel and clutch because my 96 clutch would not bolt to the 04 flywheel on the motor. Is the flywheel that came on the 04 motor an 11 inch? Is the 04 flywheel and clutch the same as the cobra's? If it is the same I am just going to use that flywheel and get a new clutch.
Thanks
Click to expand...

The UPR X-pipe fits 96'-04 so you should have no problems there.
You really should tap the aluminum cross-over but you could use a T-fitting and screw both sensors into it and then screw the fitting into the single sensor hole but you may not get accurate readings as the sensors will not be in the "flow" of water.


__________________
 

DropTopPony

Noob Slayer
Founding Member
Aug 13, 2002
2,570
3
48
south jersey
May 2, 2005
#5
  • May 2, 2005
  • #5
CanadaStang said:
The UPR X-pipe fits 96'-04 so you should have no problems there.
You really should tap the aluminum cross-over but you could use a T-fitting and screw both sensors into it and then screw the fitting into the single sensor hole but you may not get accurate readings as the sensors will not be in the "flow" of water.


__________________
Click to expand...


you should definately tap the crossover, i've heard a few guys who did tried the T extension wound up drilling and tapping the crossove cause of overheating problems...also they said the heat wasn't working either. i believe its 3/8 npt for the tap and the drill bit is 37/64..or 9/16
 
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