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  1. 4

    What Heads to put on a merc 4.6 non PI head

    Well thanks for the help fellas!
  2. 4

    What Heads to put on a merc 4.6 non PI head

    HAHA ok! well is there a better head I can get off another 4.6 without a lot of mods? Like 3 valve or cobra heads
  3. 4

    What Heads to put on a merc 4.6 non PI head

    "stanggt1995" asked what my objective was for using PI heads I said mor horspeower, Cheap. Can 4 valve heads be used on a 2000 Merc marquis?
  4. 4

    What Heads to put on a merc 4.6 non PI head

    Better flow which equals more horspwer right? I can get 2 heads with less than 30k for $300 A car with pi heads has 225HP and a non NPI head has 200HP so For 3-400 bucks for 25 extra HP doesnt seem like a bad ratio
  5. 4

    What Heads to put on a merc 4.6 non PI head

    I have no Idea what Im going to do to this car lol ALl I plan on doing right now is put some better flowing heads on it. The car only has 60k When it goes which I know wont be for a long time lol I plan on gettinga S/C cobra motor. But for now just better heads!
  6. 4

    What Heads to put on a merc 4.6 non PI head

    I have a 2000 merc marquis with the 4.6 and it doesnt have the PI heads. What head can I out on it to increase the horse power besides the PI heads? Any help would be appreciated!
  7. 4

    2.3l durability

    they will run forever if maintained. I had a 89 with a 179k and before I pulled it out I sat out in front of my house and did arount 15 nuetral drops from redline gave the motor to someone and he said it was the best running engine he has ever drivin.....I ran the motor for 2 years to the...
  8. 4

    SN95 Style Dash in an older FOX

    Bringin it back
  9. 4

    Engine throwing a bunch of codes

    -------------------------------------------------------------------------------- WEll I have a 91 mustang here with a stock 2.3l motor dual plug. Its throwing 5 different codes 172--Oxygen sensor not switching - system is or was lean - Single, Right or Rear HO2S - Fuel control 181--Fuel...
  10. 4

    flood damage...need advice on flushing of all systems, etc.

    poor girl :(
  11. 4

    c4 behind a 2.3 turbo

    well for 1 you wont miss a gear and blow your motor up 2 I believe youll loose boost between shifts 3 you wont miss a gear lol Built right you can get a bullit proof tranny .....Im going with a C4 trans in mine:nice:
  12. 4

    Turbo in my 92

    there all the same transmission..but youll need to change the torque converter
  13. 4

    Check engine code 126

    yea the barometric thing next to the vacumm tree.....Ill switch it out
  14. 4

    check engine code 126

    thanks ill check it out
  15. 4

    Check engine code 126

    MAP or BARO sensor out of range - ">MAP Is this a bad MAP sensor?:shrug:
  16. 4

    check engine code 126

    MAP or BARO sensor out of range - ">MAP Is this a bad MAP sensor?:shrug:
  17. 4

    My car's in 5.0 magazine

    Very nice car!!:nice:
  18. 4

    cold air???

    well if you have it down by the ground it could suck up water.....and as the box goes I thought in a earlier post it said that if you removed the entire inside of the box it didnt run as good( coulda just been the 91-93)
  19. 4

    cold air???

    being that there is a inner fender there would it be better just to leave it inside the engine compartment or somewhere up front? I had a gt front bumper before on another car and I stuck the air filter where one of the fog lights was....just a question
  20. 4

    Car Surging?

    QUOTE=GT40 2;7875072]Your alternator might be going out. just had it checked...Came back good :shrug:
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