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  1. T

    Need help real quick

    mustangs all came with the HO version of the 5.0 motors. like "OrLackThereof" said, firing order is 1-3-7-2-6-5-4-8
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    Need help real quick

    5.0 HO order is the same as 5.8 not the regular 5.0
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    Can someone tell me how to get my heat to work, detailed pics inside

    yeah. like i said though, make sure you get the appropriate heater hoses to connect the heater tubes to the heater core (the inlet and outlet coming out of the firewall). one of the hoses needs to have a restrictor in it or you will blow your heater core...if its not already blown. once you have...
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    Can someone tell me how to get my heat to work, detailed pics inside

    you'll need to get heater tubes. they screw into the spot where your coolant temp sensor is...near the front runner on the passenger side of the intake manifold. you can see the heater tubes in this pic (just below the wiring harness) along the passenger side of the intake. the tubes...
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    Swapped MAF today.

    good info, keep us updated:flag:
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    COBRA cumputer

    what ECM did you have before? what ECM did you buy?
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    Need pics of Vac tree and components

    some diagrams, from TMoss
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    Need pics of Vac tree and components

    from left to right, the ports on the vac tree go to: intake vacuum source, unused, i forget (sorry, i think either egr solenoid or the check valve leading to the interior), cruise control servo, brake booster ohhhh! :p sorry i didn't read the whole post. let me see if i can find a pic of...
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    car wont run unless i keep giving it gas

    just take the IAC off and clean it out with carb cleaner...no need to replace it, yet.
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    3:73's to 4:30s

    do you use slicks or at least drag radials? if not 4.30s probably won't help very much...but they would be more fun
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    ECU problems

    34 - egr not closed when its supposed to be...might want to take it off and clean it, carbon buildup will cause this. otherwise you may need a new egr sensor. could be causing some of your driveability quirks. 66 - MAF below test voltage...this is a real problem and will cause driveability...
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    ECU problems

    honestly, that sounds like some BS. do you know what codes you have? assuming its an 87-95 you can check codes yourself, its free and very simple. CHECK THIS THREAD . let us know what codes you get and we'll help you fix it.
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    WHats this plug connect to? FOund it under washer fluid tank

    is it the plug for the washer fluid reservoir?
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    Power loss in once in closed loop

    WOT=open loop... during WOT the only sensors the ECM utilizes are MAF (or map for pre89 cars) ECT, ACT, TPS, and VSS. do any of your codes refer to these? is your fuel supply system adequate? what gap do you have your plugs at? also worth mentioning is that when the ACT is cold at WOT it...
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    What maf sensor should I have?

    the E9 portion of the part# refers to the year...E=80s, E9=89. so i would go with the one that matches your computers part#. my2cents
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    Engine Configuration to Perform--or Not?

    the programming in the cobra ECM isn't as "aggressive" as a normal 5.0 ECM, like the a9l or a9p, so it probably wouldn't perform as well. plus the injectors might cause problems at part throttle low RPMs. if you already have them then keep them, you'll need them sooner or later. maf, i would go...
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    Failed Smog...

    no, that won't work. you'll probably need the actual sticker, but at the very least you will need the C.A.R.B. exemption number
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    Failed Smog...

    x2...sounds as if you mean that the light only comes on briefly as you're starting it and it goes off immediately afterwards? is that right? that shouldn't be problem, sounds like the guy is messing w/ you. as for the C.A.R.B. sticker for the air filter, try the classifieds here or the...
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    runs poorly in the rain or cold?

    if the code was a 95, it may have simply been because previously the inertia switch was tripped...if 96, may have more serious problems. suggest you reset codes by disconnecting the battery for about 15min. then rechecking codes. also next time it rains make sure no moisture is getting...
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    Good Suspension Mods?

    yeah tailpipe clearance will be a problem i think. subframes shouldn't be a problem though, check MMs site. i think they have on info on that available. IMO go with both:flag: