First Startup On Engine Swap?

Discussion in 'SN95 4.6L Mustang Tech' started by 4cammer72, Mar 2, 2014.


  1. 4cammer72

    4cammer72 Likes to drop it and leave it crusty lookin

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    almost to the point of starting this thing up..... engine came with no fluids and will be full with everything connected properly ..... is there a do's and don'ts of what I should be cautious of with the first startup????
    #1
  2. Nightfire

    Nightfire Mustang Master

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    Just make sure you prime it before starting
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  3. wmburns

    wmburns SN Certified Technician

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    Recommend filling the oil filter with oil before installing the oil filter. This will reduce the time it takes to build oil pressure.

    Disable the fuel system to prevent starting. Crank the motor in short bursts until oil is seen in the top end.

    Re-enable the fuel system. Cycle the key several times without cranking. Listen for the fuel pump to run each time. Then crank the motor to start. Verify oil pressure comes up quickly.

    Check for leaks.

    Have a beer.
    #3
    flstang65 and Nightfire like this.
  4. Nightfire

    Nightfire Mustang Master

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    There you go. Everything explained :cheers:
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  5. 4cammer72

    4cammer72 Likes to drop it and leave it crusty lookin

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    cool, thanks guys....
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  6. 4cammer72

    4cammer72 Likes to drop it and leave it crusty lookin

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    everything went well...... at first....... fired up the engine.. and have great oil pressure.... immediately settled down to a idle.... sounded perfect for about 5 minutes and it started to warm up, started knocking.....im tired and disgusted.....still has good pressure but the knock is definitely there.....
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  7. Nightfire

    Nightfire Mustang Master

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    What kind of motor is this? Compression? Fuel? Need more details.
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  8. Mattstang04

    Mattstang04 Active Member

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    Man that blows. You have my sympathies.
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  9. 4cammer72

    4cammer72 Likes to drop it and leave it crusty lookin

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    thanks.....

    stock 03 4.6 into a 2000 gt.....motor came from wrecked cv with 82k on it...
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  10. 4cammer72

    4cammer72 Likes to drop it and leave it crusty lookin

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    so the shop I got the motor from came by last night after work.....I handed him the key and said have at it.... it cranked right up and sounded great..... he was giving me this look...... you know the one.... I said wait till it warms up..... so nearly 10 minutes after it started the gauge began to come up and it immediately started to knock....he got this bewildered look on his face and was scrambling all over the motor...asked if he could take it back to his shop and go over it.... said he sold it and needs to make it right.. so they picked it up this morning...... im in limbo till I hear back....he kinda made it sound like if it needs another engine (which im sure it does) hed swap it.... but didn't say so directly.....
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  11. Nightfire

    Nightfire Mustang Master

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    At least he is trying to make it right. Too many people will tell you that is no longer their problem.
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  12. 4cammer72

    4cammer72 Likes to drop it and leave it crusty lookin

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    engine came with a 90 day warranty in writing..... so its something at least that hes looking at it..
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  13. Mattstang04

    Mattstang04 Active Member

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    Warranty work ftw!!!
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  14. 4cammer72

    4cammer72 Likes to drop it and leave it crusty lookin

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    stopped into the shop today and they think its timing chains and guides.....not making any noise until the engine warms up does not make me think timing components..... they are going to put new in if that's what is wrong... I just don't know....
    #14
  15. Mattstang04

    Mattstang04 Active Member

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    Hopefully that will fix it. Do they have a means of bench testing the engine or do you have to put it back in the car to find out if its right?
    #15
  16. 4cammer72

    4cammer72 Likes to drop it and leave it crusty lookin

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    they have the car at their shop... as it was when they came over to hear it run...
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  17. Mattstang04

    Mattstang04 Active Member

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    Fingers crossed for you, man. But at least they're trying to take care of it
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  18. 4cammer72

    4cammer72 Likes to drop it and leave it crusty lookin

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    issue solved..... drivers side tensioner was not locking in and would allow slack in chain after temp got up and piston would pull back... replaced tensioner and issue is gone...
    #18
  19. Mattstang04

    Mattstang04 Active Member

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    Congrats man. Glad you're back on the road.
    #19

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