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    Stock lower intake manifold: Any way to improve?

    I've read that the stock lower intake manifold is the bottle-neck of the intake for the 5.0. What makes it so bad with regards for performance? Can any improvements be made to the factory manifold (porting, extrude honning, ect.)? Mike
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    All unequal length shorty header performance equal?

    I'm looking to purchase a set of un-equal length shorty headers and an X-pipe for my Mustang. Looking at design, each header from all manufactures appear the same, or very close to the same. Could I expect the performance of all shorty headers to be similar? Mike
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    Lightest 4-lug 17 inch wheels?

    I would like to finally purhcase some 17 inch 4-lug wheels for my '86 sometime this summer. I know that there are many more choices if I was to perform the 5-lug swap, but I want to keep the 4-lugs. What are the lightest wheels that are still available for sale, for the fox-body? Mike
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    How to: '86 GT speedo removal & install?

    I just received my 140 speedo for my '86 GT and I have no idea how to install this thing. How do I remove the factory speedo and install the new unit? Mike
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    Valve to piston clearance......86GT?

    I would like to purchase the TrickFlow "street heat" top engine kit for my '86 GT. I'm planning installing the intake, heads, roller rockers, and valve covers. Not the TF camshaft, I will continue to use the stock '86 cam. I fully understand that the car will not make much more power without...
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    7.5 or 8.8 rear end?

    My quick search did not help me find an answer. Is there any way to verify if my '86 GT has a 7.5 or 8.8 rear end without taking it apart? I would like to get some 3.55 gears installed this weekend and want to be sure that the correct parts are ordered. Mike
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    How to remove top dash pad, '86 GT?

    How to remove the top dash pad in my '86 GT? What tools are required? I have not looked at it throughly, but I wanted to get an idea of the difficulty of the job. My search only lead to threads regarding the swap from the old dash to the newer '87-93 dashes. I'm planning to get my top...
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    Wacky factory gauges.

    I've owned my '86 GT for several months now and on two occasions the oil pressure, coolant temperature, and the fuel gauge make a sweep to the right. The oil pressure indicates high, too high, the coolant temperature predicts extreme, damaging heat, and the fuel gauge is off the charts telling...
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    Need to fix drivetrain slop.

    I am looking for suggestions regarding fixing my Mustangs drivetrain slop. Essentially, the problem is a forward-to-rear bucking of the powertrain that occurs in first gear at low rpm's. I think it could be due to worn-out engine mounts (I noticed while changing the clutch that the motor moved...
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    Roller rockers and valve springs?

    I'm looking to add some roller rockers and valve springs to my aging factory valvetrain. Will 1.6 roller rockers clear the stock valve covers without modification? Which brands of roller rockers are bolt-on, requiring no addition modifications to install? Which aftermarket springs will work...
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    Taking a 21yr old car to the track for a baseline.....

    I'm not much of a dragracer anymore (I prefer to spend my time circulating road courses), but I want to get a number to compare future modifications and improvements. This will be the first time I will pilot my bone-stock '86 GT down the 1/4 mile. Do you guys have any suggestions of shift...
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    Doesn't want to rev past 5K rpm, normal?

    I have a completely stock '86 GT 5.0 5-spd and the car does not like to rev past 5,000 rpms during hard acceleration, is this normal? The power band seems to run out at around 4,800 - 5,000 rpms which leads me to believe that it could be pointless to pull the car past the 5k mark. However...
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    Parts/upgrades, difference between 87-93, 86?

    Since buying my '86 GT early this month I have been looking at different sources for parts and upgrades. I notice that most of these parts are for the 87-93 year models. Heck, even Ford Racing engines are for 87-93? What is the difference? Especially concerning suspension and brakes, as...
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    Seat removal on my '86.

    I know this should be a simple task. I have searched. However, I'm having an issue with the front bolts/nuts securing the front seats. The bolt/stud is spinning when I try to remove the 15mm nut. I'm new to the car and I am unsure if this is in fact, a bolt or a stud and how I can gain...
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    Flywheel: ready to install or balance?

    I purchased a new Ford Racing billet steel flywheel from PAW. Is this flywheel ready to install or do I need to have it balanced? Mike
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    Exterior trim: Black or Gray?

    On my 1986 Mustang GT, was the exterior trim (hood cowl grill, vents behind side windows, body moldings....) black or gray from the factory? Currently all the trim is faded light gray in color. I just want to know so I can repaint them the correct color. Mike
  17. R

    Just bought an '86 GT.

    I'm new to this site and wanted to say, hello. I just bought a bone-stock, white 1986 GT 5.0 5-spd. The car looks good overall, but needs a little bit of work. The body is clean, free of dents and rust, but the paint is old and has many rock chips. The interior is all there and in good...
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