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  1. Engine Management Systems
    I have a 99 Mustang Gt and I just got this brand new engine with PI Heads, there are two holes on the inner sides of the heads that I have no clue what goes there. Original thought was that knock sensors go there, but only the Dual Cam engine has/requires those. Anyone know what goes here?
  2. GT & SOHC
    Just trying to verify something. I'm in the process of upgrading the heads on my 96 GT to the PI Heads, they're at the machine shop right now. What I needed to know, since they asked me; do I need to notch the pistons in my stock bottom end for the new cam going in? Cam specs are below in...
  3. Modular Engine Parts
    Stage 3 Ported PI Heads. Porting done by Fox Lake back in 2004. Cams are .550 lift blower cams but I no longer have the spec sheet on them. I recently had the machine shop install all new custom made guides with new valve stem seals. They also fixed one valve seat as well as replaced 2 valves...
  4. Modular Engine Parts
    I have a set of PI heads with cams installed that came off of my 2000 GT. Just replaced them 4 weeks ago with ported heads and performance cams. $300.00 or best reasonable offer.
  5. Modular Engine Parts
    For sale complete 1999 PI Heads with valve covers 375 plus shipping OBO 713-997-0985 John
  6. Modular Engine Parts
    PI Heads and intake that came off a 2004 4.6 model. Everything is SUPER CLEAN! I had the heads mounting surfaces cleaned with professional tools that use a plastic material to clean, NOT sand paper or metal brushes. Intake has the updated aluminum crossover. Call or text any time. $550 shipped...
  7. Modular Engine Parts
    42lb Venom injectors only used to start motor $350.00 42lb ford racing maf $150.00 (never used) 2001 mustang gt pi intake manifold $140.00 2001 mustang ported thottle body $120.00 2003 pi 2v Heads with cams motor only had 66,000mile on it $350.00 2003 5.4L 8 bolt crank $250.00 Racing Fuel rails...
  8. GT & SOHC
    42lb Venom injectors only used to start motor $350.00 42lb ford racing maf $150.00 (never used) 2001 mustang gt pi intake manifold $140.00 2001 mustang ported thottle body $120.00 2003 pi 2v Heads with cams motor only had 66,000mile on it $350.00 2003 5.4L 8 bolt crank $250.00 Racing Fuel rails...
  9. GT & SOHC
    I understand that the timing cover won't match up and i need to drill a coolant passage on the driver side, but what else would need to be done?:confused: Thanks, Steve
  10. Modular Engine Parts
    60k miles when lost bottom end. Heads are stock with out any mods all valve move when turning Cam gear. Intake is the solid plastic crossover. Thanks
  11. GT & SOHC
    i am timing a 96 gt with pi heads. ok get this. i did the procedure twice and the marks all lign up perfect and then once i rotate it 52 times they line up again so i know its right. but yet i hear noises, idk if its valves hitting pistons or what but i did not force it. also the passengers...
  12. GT & SOHC
    Alright i have a 96 gt. I bought pi heads (romeo) and i got 2 passenger side heads. and im sorry but idc who you are you cant interchange them from left to right i tried. However my question is that i know i have to take the plugs out for the rear tensioner holes so it doesnt leak oil, but...
  13. Modular Engine Parts
    got a bunch of ppl with broken ass stuff. anyone have some good pi heads that arent cracked or bent valves or anything?
  14. Modular Engine Parts
    npi heads off a 96 gt w 68,763k miles. im also looking for some romeo pi heads.
  15. Modular Engine Parts
    I have a stock 4.6 shortblock with 50,000km on it in excellent shape out of my '03 GT. Need to sell as i am getting a forged bottom end. May come with oil pan. Also i have PI heads,cams,intake also from my '03 GT but with 45,000km as i changed those earlier. Also in excellent shape. I have a...
  16. GT & SOHC
    Well, I think I've finally made up my mind. My latest plan for this winter is to complete the PI Headswap, along with the PI intake manifold. While doing the swap, I definitely want to add HITech Stage 2 Cams.. Will this cause any PTV Issues on a stock 96-98 bottom end? I know I'll have to...
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