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4.6

  1. 4.6L Tech
    Hey All, I recently picked up a 97 Cobra and am currently fixing a TON of little things throughout. One thing that I have a question about is the running temps on this car. The previous owner noted that there is a performance thermostat on the vehicle which causes it to run hot. That being...
  2. 4.6L Mustang Forums (1996-2004)
    Hey All, I recently was trying to diagnose a P0411 MIL on my 1997 Mustang Cobra and had ZERO luck finding solutions on the forums. So after painstakingly going over this super obscure emissions system, I figured I'd cover my process as well as include a diagram of the airlines that make up the...
  3. 2005-2010 Mustang GT Tech
    Noise on cold startup - RESOLVED !! CAM PHASER VVT Any ideas what this noise could be @ 4 seconds in the video ? The earlier noise is the e brake It only happens when the engine is cold(summer 80 degrees+ and winter) It happens for about 1-2 seconds after it starts up. When the engine...
  4. News
    Ford's been full-send on overhead-cam V8s since the mod motor launched way back in 1990. Now, all of a sudden, they're going back to pushrods in their latest great big 7.3L engine. So what's the difference, and why pick pushrods over ocks and docks? And what does that even mean? Every engine...
  5. 2005-2010 Mustang GT Tech
    I have had this car since 2006 and have done a few things like free flow exhaust (flow masters) a performance chip, cold air intake and I put some rims and tires off of a GT 500. I really wish I did not have 144 k miles on it as when I got a divorce I had to use it as an everyday driver from...
  6. 4.6L Tech
    Hey guys! I just ordered my Hellion twin turbo kit for my 2004 Mach 1 but I am a bit stuck on deciding what cams and heads I should use. Any suggestions would be greatly appreciated!:)
  7. 4.6L Tech
    my 1997 gt 5 speed is stumbling at low rpm and I just replaced the IAC. It ran fine that night but the next morning I was having trouble with it shaking and stumbling at about 50 in 5th gear. I drove it again this morning and it was having trouble at around 35 in 4th gear. It is not having the...
  8. 4.6L Tech
    i know this site is for mustangs but lately ive been wondering what i can change on a Lincoln Town Car to make it work like a Crown Vic Police Interceptor. i owned a 09 CVPI and i liked it but it need to much work. i know they have a slight bump in power due to intake air box, dual exhaust and...
  9. 4.6L Tech
    I'm a newbie poster here but I've been searching this and other forums for a couple of years trying to resolve this particular problem. The car is a '01 4.6 (2V) GT. A few years ago I installed a brand new '03 4.6 (2V) GT crate engine. The engine is completely stock and bolted right in with all...
  10. 4.6L Tech
    hey all so haven't had a mustang for long but owner of 1999 4.6L GT usually a chevy guy so working on fords is very new to me. anyways having issues with the car after washing under the hood. I made sure to cover the cold air filter with a plastic bag, and only used low pressure while washing...
  11. 4.6L Tech
    Hi guys, i have a 1997 mustang gt with a stock 4.6 litre automatic. i was going down the road and went out to go by a car, i pushed the gas to the floor it down shifted into second and then hit the limiter in second, it wont shift into drive anymore. im just curious if anyone had this problem or...
  12. 4.6L Tech
    ok well i wanna turbo my car and i would like to buy pieces at a time to help be more budget friendly. well the only problem i have so far is a really cant find anything on being abe to buy just the turbo headers for a 2v 4.6/5.4 its pretty much you gotta go ahead and buy everything to be able...
  13. 4.6L Tech
    i am going through with the 5.4 2v swap, it should be here this week and i had ordered a sct tuner through americanmuscle and i told them it was going to be a 5.4 and then order got cancelled due to the engine swap( thats the reason they gave me) so i understood but what i need to know now is...
  14. 4.6L Tech
    Before you begin reading, thanks. Just to start this title is a statement and not a question. So first off: Did you try searching on the forum? Yes, 99% of the posts I read where people asking if they should and 'oh im a college student and I want to do a budget build'. I want to build a 4.6...
  15. 4.6L Tech
    engine is blown in my car and after a while of thinking, im buying a reman 5.4, well ive read that you have to use shorty headers with the 5.4 which is fine, i have a set of long tubes and shortys, both are bbk, but ive also heard that the bbk shortys wont fit but other brands will, does anyone...
  16. 2011 - 2014 Mustang GT Tech
    Hello everyone, new to this forum so I apologize if I posted in the wrong place! I have a 2003 Mustang GT with a Coyote swap. Will be ready to fire within the next couple days. I bought a kit from Jegs that included the motor and controls pack. I have been told by many people that the car will...
  17. 4.6L Tech
    ok so i got 2 mustang gts ones a 2000 and the other is a 2003, ones been knockin for a while well now both are pretty much done, viscious knock/no oil pressure haha but i beat a 09 g8 with the 6.0 by 2 cars all the way to 110 then thats when she started quitting on me, anyways, should i try to...
  18. 2005-2010 Mustang GT Tech
    I'm sure this can benefit a lot of people so I would like others' insights on what I am thinking of doing to my mustang. Ok so I have and 08 4.6. I have heard that adding an axleback alone creates drone at highway rpm ranges. Therefore I have come to the conclusion that I will have a pair of...
  19. Superchargers+Turbochargers
    been having this idea recently and curious what the outcome would be. i have a 02 mustang gt basically stock and was wondering what characteristics would i see if i was to do a twin turbo setup using 2 of garret's gt15 turbos. they flow enough for 150hp each which is more then a stock pi 4.6 @...
  20. 4.6L Talk
    ok i recently got a 2000 mustang gt auto:/, anyways it runs fine most of the time, but everynow and then itll have a really bad idle, like it sounds like a legit aftermarket cam, and you can put your foot on the peddle, dont matter how much but its just like its an old toyota pickup or...
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