4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

new intake is in and now car runs like crap!!

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Old 08-13-2008, 02:47 PM
  #11  
mex69
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Originally Posted by sxynerd
Did you follow Tq specs and tightening order? If you did, then you wont have a leak. If you didn't start over and hope you didn't crack the new intake.

Gook Luck
i did follow the torque specs but i dont know if i did the right tightening sequence. dont you start from the middle out?


btw sxynerd did you get a new car? i thought your car was green but in your sig it looks black.
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Old 08-13-2008, 04:42 PM
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russ98stang
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I Just did the PI head swap and my car is running the exact same as his. Ive been trying to figure this out for about 3 weeks now and its about to drive me crazy. I hope you guys can figure it out.
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Old 08-13-2008, 08:53 PM
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mex69
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YEAH!! i finaly got my car to run good!! what i did was refasten the bolts on the manifold and redid them exactly how the haynes repair manual said by starting from the middle and working my way out, then i replaced the o-rings on the injectors and replaced the spark plugs. and make sure all your vacuum lines are hooked up because i had one off and as soon as i started it it would die. but after 2 weeks of head scratchin and not knowing what the hell was goin on everything works great!
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