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Thread: **My SC problems**

  1. #1
    Join Date
    Aug 2005
    Location
    Paoli Indiana
    Posts
    4,512

    **My SC problems**

    When i go to start to start the SC it acts out of time.. cranks slow and acts like its trying to fire at the wrong time etc.. half to half floor it to get it to start then it runs like complete garbage for about 30 seconds and smooths out. So far ive tried the following.

    Battery
    Ignition switch
    Cam ~~~ sensor
    DIS
    Checked the timming its dead on spec


    Other parts i have:

    Coil pack
    Engine wirring harness

    Could i have possibly stabbed the cam ~~~ stalk wrong when i rebuilt it? would it make the car NOT run properly and act out of time and have no balls off the line?
    Last edited by Jacob_Royer; 08-09-2008 at 06:01 PM.
    93 SC Red Auto 111k
    2013 Shootout Bracket ET First Place
    2015 Shootout Car Show Honerable Mention
    2016 Shootout Mod-1 First Place
    4.2, 2.3 Whipple, 3.73s AOD
    307rwhp 12.70@107.2 (MPX)
    395rwhp Whipple.... et ?????

  2. #2
    Join Date
    Apr 2002
    Location
    Madison, Ohio
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    Quote Originally Posted by Jacob_Royer View Post
    When i go to start to start the SC it acts out of time.. cranks slow and acts like its trying to fire at the wrong time etc.. half to half floor it to get it to start then it runs like complete garbage for about 30 seconds and smooths out. So far ive tried the following.

    Battery
    Ignition switch
    Cam ~~~ sensor
    DIS
    Checked the timming its dead on spec


    Other parts i have:

    Coil pack
    Engine wirring harness

    Could i have possibly stabbed the cam ~~~ stalk wrong when i rebuilt it? would it make the car NOT run properly and act out of time and have no balls off the line?
    Of course it's possible you could have stabbed the CPS wrong. It has to be timed much like a distributor (only different). Do a search and follow the instructions. You starting problems are compounded by the fact that you have 40% bigger injectors and haven't done anything to correct for that.
    Quote Originally Posted by Miller View Post
    Ya thats why i tape mine down. People think its bc i dont have a moonroof seal (which is true) but its really to keep my roof from ripping off .
    Email me here.

  3. #3
    Join Date
    Aug 2005
    Location
    Paoli Indiana
    Posts
    4,512
    nope i still have stock injectors in it.. I see no reason why it should run so crappy.
    93 SC Red Auto 111k
    2013 Shootout Bracket ET First Place
    2015 Shootout Car Show Honerable Mention
    2016 Shootout Mod-1 First Place
    4.2, 2.3 Whipple, 3.73s AOD
    307rwhp 12.70@107.2 (MPX)
    395rwhp Whipple.... et ?????

  4. #4
    Join Date
    Apr 2002
    Location
    Madison, Ohio
    Posts
    17,532
    Sorry, thought you had 42's in it. If you did not time the cam sensor then it can't run right.
    Quote Originally Posted by Miller View Post
    Ya thats why i tape mine down. People think its bc i dont have a moonroof seal (which is true) but its really to keep my roof from ripping off .
    Email me here.

  5. #5
    Join Date
    Aug 2005
    Location
    Paoli Indiana
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    4,512
    http://www.sccoa.com/forums/attachme...5&d=1210038875

    Is this what its supposed to look like at 26 atdc? (before i tear it apart)
    93 SC Red Auto 111k
    2013 Shootout Bracket ET First Place
    2015 Shootout Car Show Honerable Mention
    2016 Shootout Mod-1 First Place
    4.2, 2.3 Whipple, 3.73s AOD
    307rwhp 12.70@107.2 (MPX)
    395rwhp Whipple.... et ?????

  6. #6
    Join Date
    Aug 2005
    Location
    Paoli Indiana
    Posts
    4,512
    Im going to try to get this cam ~~~ sensor deal checked out. Also changing the engine harness as some of the plugs are not in the greatest shape (cant hurt anything) And the blower swap and plug wires.. HOPEFULY this will get it to run right.. It just progresivily gets worse.. It got the the point of being almost undrivable.
    93 SC Red Auto 111k
    2013 Shootout Bracket ET First Place
    2015 Shootout Car Show Honerable Mention
    2016 Shootout Mod-1 First Place
    4.2, 2.3 Whipple, 3.73s AOD
    307rwhp 12.70@107.2 (MPX)
    395rwhp Whipple.... et ?????

  7. #7
    Join Date
    Dec 2005
    Posts
    208
    Yep that's it.

  8. #8
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    Quote Originally Posted by XR7 Dave View Post
    Sorry, thought you had 42's in it. If you did not time the cam sensor then it can't run right.
    I THINK i got it right the first time but.... i very well could have ben 180deg out or somthing...

    BTW i know the blower has isues since it only makes 8psi with a 5% blower and 5% js
    93 SC Red Auto 111k
    2013 Shootout Bracket ET First Place
    2015 Shootout Car Show Honerable Mention
    2016 Shootout Mod-1 First Place
    4.2, 2.3 Whipple, 3.73s AOD
    307rwhp 12.70@107.2 (MPX)
    395rwhp Whipple.... et ?????

  9. #9
    Join Date
    Aug 2005
    Location
    Paoli Indiana
    Posts
    4,512
    I need to get it straightened out so i can drive it a couple weeks.. Need to do a clutch in the mustang and an OR H pipe while i have it apart.
    93 SC Red Auto 111k
    2013 Shootout Bracket ET First Place
    2015 Shootout Car Show Honerable Mention
    2016 Shootout Mod-1 First Place
    4.2, 2.3 Whipple, 3.73s AOD
    307rwhp 12.70@107.2 (MPX)
    395rwhp Whipple.... et ?????

  10. #10
    Join Date
    Aug 2005
    Location
    Paoli Indiana
    Posts
    4,512
    Would the timming light verify correct timming at the chain?
    93 SC Red Auto 111k
    2013 Shootout Bracket ET First Place
    2015 Shootout Car Show Honerable Mention
    2016 Shootout Mod-1 First Place
    4.2, 2.3 Whipple, 3.73s AOD
    307rwhp 12.70@107.2 (MPX)
    395rwhp Whipple.... et ?????

  11. #11
    Join Date
    Mar 2008
    Location
    Rochester NY
    Posts
    469
    If ya can Id try moving the cam sensor counter clockwise about an inch....If she turns over slow most of the time your timing is too far advanced....I time by ear..Might be why my cars are slw but thats another topic....I get the motor nice and hot and find where my car starts at its limits...

  12. #12
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    Location
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    That alignment was correct, just make sure the motor is at 26' ATC on COMPRESSION when setting it. At 180 out I doubt that it would run.

    I'm starting to think that most of your problems might be related to the blower. The blower is a very tight tolerance and sealed component. It can't be just "tossed" together quick and be expected to work properly. I'm thinking you may be quite correct in your earlier assessment that the case was leaking and that may be your whole problem.

    There is no way to check timing of either the cam sensor or the crank sensor other than to follow the procedure for setting it. The ignition timing will always read 10 deg when checked according to procedure. It cannot be adjusted and it cannot be anything other than 10 deg.
    Quote Originally Posted by Miller View Post
    Ya thats why i tape mine down. People think its bc i dont have a moonroof seal (which is true) but its really to keep my roof from ripping off .
    Email me here.

  13. #13
    Join Date
    Aug 2005
    Location
    Paoli Indiana
    Posts
    4,512
    If the case leaks would it cause my starting/idle problems? like a giant vac leak?
    93 SC Red Auto 111k
    2013 Shootout Bracket ET First Place
    2015 Shootout Car Show Honerable Mention
    2016 Shootout Mod-1 First Place
    4.2, 2.3 Whipple, 3.73s AOD
    307rwhp 12.70@107.2 (MPX)
    395rwhp Whipple.... et ?????

  14. #14
    Join Date
    Nov 2002
    Location
    Williamsport, PA
    Posts
    543
    Quote Originally Posted by Jacob_Royer View Post
    If the case leaks would it cause my starting/idle problems? like a giant vac leak?
    Yes, any vacuum leak will cause bad idle problems. Even small ones will make it run like crap, at least from my experiences.

  15. #15
    Join Date
    May 2002
    Location
    NYC
    Posts
    17,429
    I thought you were changing the blower?..Whjats your vacuum at idle at?

    Also what MAF did you use and its calibration..A mustang calibration is different then an SC in case you didnt alreayd know?
    They don't call me "SLOWPOKE" for nothin!
    http://www.sccoa.com/forums/garage_v...vehicle&id=110
    Quote Originally Posted by ricardoa1 View Post
    I love the filter. Its pimp. paper element and 10Mircron filtration, 12" long cause size matters.

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