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    What is the idle set on 85 GT

    What type of carb are you running? In any case, you need to adjust the idle fuel/air mixture screws. Most carbs will run out-of-the box but need to be fine tuned. A vacuum guage is argueably the best way to adjust the mixture screws. With your idle speed set, you connect the guage to...
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    What is the idle set on 85 GT

    800 rpms should be fine. Your car should idle smoothly with a stock cam. If you are concerned with the lope/shake and you know that the camshaft is stock, I would start looking at your ignition components.
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    Setting Backlash

    It is always recommended to start with the factory pinion shim(s), especially if you are installing OEM gears. The resistance you've noticed while installing/removing the carrier is normal, if it didn't go in hard you wouldn't have any carrier bearing preload. As for the recommendation...
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    Bucking in 5th gear only...

    More info would help, but I would start by checking your ignition components. Old plugs & wires can cause symptoms like you're describing.
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    EGR ( 84 302 Carb)

    Sounds like your gasket isn't completely covering the egr port, and you're getting a huge vaccum leak as a result. You can get an ERG valve and install it on the cast iron spacer that goes beneath the carb, or you can invest in a non-erg intake manifold. If you have to pass emissions, I'd...
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    Carb Question (Edelbrock)

    What kind of problems are you having? The vacuum port you are calling "full time vacuum" is actually manifold vacuum. The vacuum signal is obtained from the vacuum in the intake manifold. The other vaccum port you mentioned on the left of the pcv valve is "ported vacuum". The port...
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    Engine torn down-crank bearing color

    I can't really tell if it is the way your picture was taken or if the copper really only showing on one side of the bearing. If this is the case, you should have your crankshaft checked for straightness by a machine shop. -Other than that, no need to be worred about copper showing after...
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    When I step On it it Chokes

    Is this a problem that occured after your combo was together and running well? Or did you bolt everything together and these are the problems you're having now? If you just put it together than I would guess you're carb is simply out of tune rather than having a mechanical problem. 750cfm is...
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    just installed new WATER PUMP

    I am sure your belt did not "shrink". It is more likely that you don't have the belt on the pullies in the correct fashion or that you didn't pull the tensioner up far enough when you put it back on. The spring in the tensioner in my car is really strong, I have to use a breaker bar & socket...
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    Thermactor Air Bypass causes backfire!

    I believe plugging that vaccum line will now allow your TAB to open, which will cause the smog pump to pump air through the lines that are attached to the rear of your cylinder heads all the time. Normally the air is only pumped through these lines when the engine is cold, pumping it in with...
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    Small block between big block V8

    Perfect Relating to the original post, the 351/400M engines do have the same bellhousing/engine mount patterns as the 385 series.
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    Coolant leaking into engine!

    You need to use gasket sealant all the way around the coolant ports on your intake. If you are only using the sealant at the corners where the cork gasket meets the rest of the intake gasket I would say that's your problem.
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    Rotor/Bearing question...

    Most new rotors for your car will come with races and wheel studs already pressed in.
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    Coolant leaking into engine!

    Have you checked the coolant plate that is located directly after your throttle body? I am not sure what it is called...It is a plate that is bolted between your car's throttle body and the upper intake plenum, the rubber hoses connected to it should be easy to spot. If the plate is cracked or...
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    Grease Fitting for clutch?

    I've never heard of it in a fox body mustang, but I have seen them on other vehicles. The throwout bearing in my dad's 1978 F250 had a grease fitting on it.
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    Problem in High Gear

    Is your engine in good tune? Neglected ignition components like plug wires & the cap & rotor can cause problems like you're describing.
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    idle not right, may be running a little rich also.

    If one of the vaccum lines is unhooked and resulting in a vaccum leak, then yes, that may very well be your problem.
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    Roller cam conversion????

    My apologies, I meant to say Crane Cams before. Additionally, they are more expensive than I remembered, $356.99 through Jegs (Part # 270-44518-16).
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    Need 89 Towncar 5.0 info

    Get a set of GT 40 heads and a more aggresive cam and you'll be in business. I would recommend getting a duraspark distributor from an early 80's 302 to simplify your engine swap. Spend some time on ebaymotors and you should be able to collect the necessary parts without killing your...
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    LOL gonna put a 460 in my foxbody...

    Some of the most popular bronco's to restore and make into show vehicles/rock climbers/mud racers are the 1978-1979 Broncos. Most of them came with either a 351M or 400M, neither of which have a large selection of performance parts. However, both the 351M & 400M (Same block & heads, diff...
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