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  1. G

    Air suspension

    Just listen for the leaking air............ good luck on finding it.
  2. G

    How do I replace the pcv vavle?

    yeah and on the 03 you may actually have two hot water lines that are attached to the PCV valve. there is a big clip that holds the heating assembly to the valve. Remove this clip after pulling the valve out and it will be evident where to go from there..... Matt
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    Turbo Vette Project

    well I can give you guys a taste, but the car owner would be super pissed if i revealed the car berfore it is finished and he has a chance to pick on some supercars in the chicago suburbs.....LOL Matt That's all I can give you for now....
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    06 Expy floor gets hot ...

    is the exhaust in the stock configuration? It sounds like exhaust heat is finding its way to the floorboard of the truck...
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    Turbo Vette Project

    It's a 2000 vette. 405 cubic inch LS1 with 8.3:1 compression using a 6 liter truck block since the stock alumnium block won't support the kind of power we plan to make. Billet Callies crank, billet Howard's rods, can't remember the piston manufacturer but all good stuff. The heads are ported...
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    Turbo Vette Project

    Well if it seems I haven't been around in a while it's because I have been busy trying to get another project going. The graph below happended at only 11PSI of boost and we are looking at pushing 20 or so. We had a fuel system problem that was keeping me from pushing the car any further......
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    Overdrive question

    is it really not shifting out of overdrive or just the light not working? Matt R
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    Thinking of trading up to a 2003

    The 04 had the 2v motor too. Only the 04 f150 got the 3-valve. The 03 and up trucks ride much nicer due to the all wheel indepedent suspension. The 03 leater is super thick compared to some of the stuff out there too.... very durable. Matt R
  9. G

    aftermarket y pipe

    no sir will have to fab up your own. Your are legally allowed to replace cats if they have failed. Matt R
  10. G

    Stuttering, CEL, not the MAF.

    P1131 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 1 P1151 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 2 Check for vacuum leaks or any air being drawn into the engine bypassing the mass air meter. Matt
  11. G

    2004 Eddie Bauer Expedition

    UM that is the rear clutch pack in the differential. See TSB 04-24-20 Mine does it too...
  12. G

    K&N FIPK Intake and Flowmaster exhaust

    You may need a custom tune to add some timing in in the lower ranges to negate the backpressure changes. I know i got every bit of my low end and mileage back with tuning. That's why i recommend that you leave the stock pipe diameter if you don't do any tuning to compensate for the lower...
  13. G

    Rough Idle

    Not saying that this is the solution to anyone's problem but if the airfilter gets dirty (almost plugged) on these trucks it will idle rough. It starts adding timing (instead of adding more air) to bump up the idle speed and you will notice a shaky idle. Always check the basics first..... Matt R
  14. G

    2004 Eddie Bauer Expedition

    Or at least get it checked out by a mechanic..... No need to amputate the whole leg for an ingrown toenail! Matt R
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    Need Help with High Idle 2002 Expd.

    make sure your throttle body isn't sticking open.... Large vacuum leaks can cause this as well but it would usually run rough at first when the vacuum leak appears. Matt R
  16. G

    my 97 is using oil can anyone help? thanks!

    try replacing the pcv valve. Sometimes if it gets gunked up it will pull too much flow through the crankcase and pull in some oil with it. This will also be apparent if there is a bunch of oily crap behind the throttle body in the intake manifold.... Matt R
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    Hesitation, stutter, bucking, miss on my 2000 expy

    then it sounds like it could be EGR malfunction then. It will act like a big vacuum leak if it is flowing EGR when it isn't supposed to. There are two main parts to the EGR system, the valve and position sensor assembly and the flow sensor. The flow sensors are known to go bad after a while...
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    Hesitation, stutter, bucking, miss on my 2000 expy

    Looks like you are covering most of the bases here.... now are you saying that your are still getting an o2 sensor code after fixing the exhaust manifold? How is your mileage when unloaded? Is there any reason to believe that your o2 sensors need replacing like really bad mileage? Matt R
  19. G

    cat back system or just a muffler?

    on a mostly stock truck I noticed better response around town with just a magnaflow muffler than I did with the magnaflow and the 3 inch mandrel bend tailpipe.... now custom tuning can bring this torque and response back, but if your only goal is better economy then any good high flow muffler to...
  20. G

    Best diff ratio for highway towing?

    Yeah it should have full power in all the gears.... unless it is going into some kind of lugging mode..... send video but be safe!
  21. G

    cat back system or just a muffler?

    A better muffler with the small pipe will net you an increase in mileage. Replacing the pipe too may hurt a little bit of your bottom end which it what you need on the short trips.... Matt R
  22. G

    My little pig

    x2 on Pronstar's comments..... lower gears may actually help fuel economy in this case.... I bet you can't even pull 5 inches of vacuum on the highway with the stock gears unless you are rolling downhill....LOL Matt R
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    Transmission cooler??

    if you really have old fluid the only way is to powerflush or at least drain the converter with the filter change if possible. There is alot of fluid in the converter. All the machine does is exchange the fluid, it doesn't run any more pressure than the natural return pressure of the coolant...
  24. G

    Hello from a Newbie

    Put some more stall in it (different torque converter) and it will take off like a completely different truck...... I wish they would have used the same converter that they use on the 4.6 on the 5.4..... it at least stalls around 2000 Rpms. The stock 5.4 converter only gives you about 1500...
  25. G

    98 expedition noobie maintenance questions...

    You could also have a dirty injector or two that could be running some of the cylinders lean causing it to ping. a good tuneup addition would be a pressurized injector cleaning service from the local jiffy lube. on the shavings in the pan.... I call BS on that shop. you will be surprised at...

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