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  • SN95 4.6L Mustang Tech

Differences in 99-04 engines

  • Thread starter Thread starter mrmustangman357
  • Start date Start date Aug 2, 2007
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Mustang5L5

That is…until I whipped out my Bissell
Mod Dude
Feb 18, 2001
43,218
17,902
224
Massachusetts
Aug 6, 2007
#21
  • Aug 6, 2007
  • #21
blurred10 said:
Consider yourself lucky it has a T45. It's a stronger tranny. Just do a search on the 3650 and you'll see why.
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Stronger in what way??


The t-45 is rated at 330 ft-lbs, the t-3650 is rated at 360 ft-lbs. The 3650 is the stronger transmission.


The 3650 just has some shifting issues. The t-45 has issues of it's own. Can't tell you how many of my friends have suffered the "stuck in reverse" problem.


My 3650 shifts fine, and i would prefer it over the t-45 if i ever had the option
 

Mustang5L5

That is…until I whipped out my Bissell
Mod Dude
Feb 18, 2001
43,218
17,902
224
Massachusetts
Aug 6, 2007
#22
  • Aug 6, 2007
  • #22
eliteJAE said:
hate to butt in yall, but "pump gas" means 87 octane? whats recommended by ford for 99-04, and whats the real truth?
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The GT will run on 87. However around '01 there was a slight bump in compression that puts the 01+ right on the border of 87/89

since new, my car has not liked 87 on warm days. In the wintertime i run 87 all day long with no probs, but once summer comes around it will detonate slightly when it's warm (or if i'm driving around with the A/C) As a result, when i know it's going to be 80-90 degrees, i run 89 octane. But when it's cooler (60-70) i can run 87 no prob.

It's done this since new.
 

blurred10

New Member
Jun 16, 2007
12
0
0
Spring, Tx
Aug 7, 2007
#23
  • Aug 7, 2007
  • #23
Mustang5L5 said:
Stronger in what way??


The t-45 is rated at 330 ft-lbs, the t-3650 is rated at 360 ft-lbs. The 3650 is the stronger transmission.


The 3650 just has some shifting issues. The t-45 has issues of it's own. Can't tell you how many of my friends have suffered the "stuck in reverse" problem.


My 3650 shifts fine, and i would prefer it over the t-45 if i ever had the option
Click to expand...

Sorry guys. My newb blood is showing through. I have read some negative stuff on the t-3650 and assumed it was not as good as the t-45. My bad.
 

StangYellow

Founding Member
Sep 11, 2002
1,052
1
39
Aug 7, 2007
#24
  • Aug 7, 2007
  • #24
I think there was also a mid year change on the water pump in 2001?
 
S

spederman

Member
Apr 13, 2005
732
0
16
Aug 7, 2007
#25
  • Aug 7, 2007
  • #25
isjoining said:
a 2000gt will use regular (87 octane).

if you look at the intake manifold and it still has the plastic coolant crossover, have them change it to the 01-04 manifolds with the aluminum coolant crossover.
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CobraRed_96_GT said:
looks like a good deal man, if u can talk em down to 8k that's a steal. If it's still a plastic coolent crossover use that as a bargaining point saying you'll have to pay to change that out anyway.
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Whats wrong with the plastic coolant resevoir? I've never heard of anything with that, I have a 2002 that has a plastic resevoir, and my bro has a 2004 GT with the same plastic resevoir. Ive only seen the alum on the cobras. I knew the pre 2002 cars had bad intakes but that's it.
 

eliteJAE

Member
May 29, 2007
0
1
16
Stanford University
Aug 7, 2007
#26
  • Aug 7, 2007
  • #26
ive been running 91 since i bought it, i wonder if that has anything to do with it overheating on me in 105+ degree heat everyday

spederman: i think theyre talking about the crossover in front of the intake, pre-01 models (or so i believe) come with a plastic crossover, as in the path the coolant takes in front of the intake manifold, not the resevoir on top of the rad. im a noob so dont take this seriously if im wrong
 

mrmustangman357

Member
Feb 11, 2007
763
3
18
Aug 7, 2007
#27
  • Aug 7, 2007
  • #27
i passed up the bullitt. I couldn't afford the 10,800 they were asking for it, so i decided to drive my 89 until the winter rolls in and mustangs might be a bit cheaper lol. hopefully divorce motors may be opening for business and i get lucky one of these times
 

dollarbill

Member
May 5, 2005
140
0
16
Decatur, IL
Aug 9, 2007
#28
  • Aug 9, 2007
  • #28
I think they are talking about the little cross section that the thermoatat sits in. The early 4.6 this was plastic and prone to crack.
 

Mike97gt

it doe snot
Founding Member
Jan 26, 1999
10,633
7
89
the people's republic of massachusetts
Aug 10, 2007
#29
  • Aug 10, 2007
  • #29
mrmustangman357 said:
hopefully divorce motors may be opening for business and i get lucky one of these times
Click to expand...



Never wish for another mans misery..

I am without a stang right now because I am trying to buy a house, but I rather be stangless then give some vulture my money for a car that the court system stole from another guy. The car would feel tainted to me.

 

mrmustangman357

Member
Feb 11, 2007
763
3
18
Aug 10, 2007
#30
  • Aug 10, 2007
  • #30
when i meant divorce motors, I was joking, as its usually the guy that sells off the car before his wife tries to take it in court. Its meant to mean "a deal that isn't an ordinary occurance".
 
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