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    Has anyone seen this crazy spark plug?

    When I was young (1960's) JC Whitney offered "A new sparkplug technology called the 'Fire Injector'". The primary benefit this plug had was that it transferred money from your wallet to the manufacturer's. I've seen that add. It is all hyperbole, as you probably suspected. The current...
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    wierd noise...speedo cable???

    2000's don't have speedo cables. The speedo is electronic, driven off of a sending unit on the tailshaft housing of the tranny.
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    Interesting Spark Plug story

    After looking, this case is just a bit different (the motorcraft plug mentioned above). The ceramic tip material broke off up in the plug, and can slip up and down the center electrode, but the center electrode is still attached as it should be, and the gap is still correct. Doesn't fire very...
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    Interesting Spark Plug story

    There is more to this than meets the eye, as we just lost the center electrode on plug for cylinder #5. So far, #4, #5, #6 and #8 have had this problem. The #5 problem we just had was using a motorcraft plug. Anybody have any ideas about what could cause this? This is a stock 4.6 motor...
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    Interesting Spark Plug story

    A couple of weeks ago I posted about a spark plug where the center electrode broke and disappeared into #8 cylinder. We looked, could not find it, and eventually decided to remove the head for safety. No sign. Head back on. A couple of days later we heard that "burble" in the idle. I...
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    tranny problems

    Sounds like you have a band that has been toasted and is slipping badly... Or a pump that can't make enough pressure to clamp the band down properly. In either case, it is a rebuild next...
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    New Clutch Install "home installation"

    One more note... once you pull the tranny, the motor will "rock" forward with that weight off the back. It is a real PITA to get the tranny back in, trying to get the clutch release fingers to clear the tranny input shaft, etc. Trick is to take a floor jack and a piece of 2x4. Stand the 2x4...
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    New Clutch Install "home installation"

    therei is a very simple way to get that hidden third bolt out and in in seconds... Take the h-pipe down first. Now you can get your left hand up on top of the starter (lay on the ground, feet toward rear, head toward front) and feel the bolt head, and use your right hand with a 1/4" ratchet...
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    Cooling Fan Issue...Please Help !

    Another issue... just because the fan turns with 12 volts hooked up does _not_ mean the fan motor is OK. It can drag, and increase the current draw significantly. Significantly enough to burn the relay contacts in the CCRM a second time. I'd either use a series ammeter on the fan to see what...
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    PI Headswap Before/After Results at the Track

    that data really is not useful then. You need several runs just to get some consistent idea about what is happening. Driver performance is just as important as car performance in the 1/4 mile, and you can't tell anything with just one run before/after... You need 10 or more each to see if...
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    Cam install possible disaster.... Please help PTV?

    I would be more worried about the valves. When the valve touches the piston top, something has to give, and quite often the valve bends very slightly, which gives a less than optimal seal at best, and will cause a sticking valve due to guide interference at worst. Driving one to eliminate...
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    Need help with intermittent misfire.

    I personally don't like to try guesswork, so my approach would be to pull that fuel rail and swap two injectors. If the problem moves, replace the injector, if not, then you have to keep looking. I would have done the same with the coil as well, as if it moves with the coil, the coil is bad...
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    replacing valve seals, heads need to be removed?

    This is doable but there are issues. 1. You have to hold that piston at TDC so that the cam is not holding a valve open. 2. You use any sort of fitting (a compression tester will do nicely as it will probably mate right up to a quick-disconnect on your air compressor hose) to fit the...
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    Hard to shift transmission.

    Here is a simple test: crank the car, put it in neutral and let the clutch out. Then press the clutch pedal, count to 7, and shift into reverse. Did it grind? If so, the clutch is dragging and not spinning down quick enough. Either you need to pop the pedal up to let it self-adjust, or if...
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    New leak

    There are seals out on the ends of the axle tubes. It is possible that the differential has been damaged, if it is leaking where the axle tube enters the differential case. That is one reason I hate to see a car jacked up with a floor jack under the differential. It was not intended to carry...
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    spark plug problem

    we pulled the head for safety, zero damage. Only drawback to doing this is 40 bucks for new head bolts and about the same for a new head gasket. This is a completely stock 4.6 in a 2000, except for 3.90 rear end and an electric water pump which lets us run with no serpentine belt at the track...
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    Rear brake Piston stuck

    One thing to try is to disconnect the parking brake cable from the caliper first. I have seen a few where the cable puts just enough pressure on the parking brake lever such that the piston will not screw back in.
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    Squealing when cold

    why not just remove the belt, then carefully spin everything by hand, as well as trying to "wobble" everything. Water pump, P/S pump, AC compressor pulley, idlers, and tensioner. If all feels smooth with no side-play, replace the belt. If any pulley feels sloppy or rough when spinning...
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    Clunking and Creaking Sounds coming from Underneath my Mustang GT

    There are lots of things underneath that use rubber isolation to keep road noise out of the cabin. From simple things like the ends of the anti-sway bar and such. A degraded piece of rubber will let metal-to-metal contact happen, which will translate every bump in the road (including those you...
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    Just making sure this is right.

    Couple of things: 1. Advanced sells a good clutch cable, with an aluminum quadrant that gets rid of the sloppy Ford product. The adjustment is done at the transmission end from under the car. There are some that allow you to adjust the thing at the firewall where the cable enters the cabin...
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