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  1. 06-19-2015, 03:14 PM #1
    tritonman54
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    blown 250 verado compatibility

    hello i have a blown 250 verado serial # 1B530488 and i seen a post where someone has a 275 verado serial # 1B289203 power head ect.I am wanting to know if they are compatible if i can take the motor and supercharger off of his a put on mine to give me a working motor. i did call mercury and they said it won't but I'm not sure I'm believing that seems they where more just to push a new power head through them for much more$ any thoughts on this from someone that might know that has been down this road already. thread title to other post> Verado 275 long block/midsection http://www.bbcboards.net/motors/6085...idsection.html
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  2. EuropeanAM
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    #2 06-20-2015, 09:01 AM
    You've been informed correctly.

    1B289203 is a Generation-1 Powerhead

    1B530488 is a Generation-2 Powerhead.

    In order to use a Generation-2 Powerhead on your engine, you would need the ENTIRE, fully-dressed powerhead (especially and specifically the electrical system, relays, wiring, PCM, etc, that came WITH that Generation-2 powerhead).

    There were substantial changes between the two generations.


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  3. tritonman54
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    #3 06-20-2015, 09:13 AM
    Ok thanks for the information I guess my search for a new powerhead still continues
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  4. greens1098
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    #4 06-20-2015, 10:21 AM
    Wait he is wanting to put the gen 1 on the gen2.
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  5. greens1098
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    #5 06-20-2015, 10:23 AM
    The long block that is.
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  6. EuropeanAM
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    #6 06-20-2015, 10:50 AM
    Quote Originally Posted by tritonman54
    hello i have a blown 250 verado serial # 1B530488 and i seen a post where someone has a 275 verado serial # 1B289203 power head ect.I am wanting to know if they are compatible if i can take the motor and supercharger off of his a put on mine to give me a working motor.
    I believe he's wanting to use the 275 powerhead (which is a Gen-2) on his Gen-1 mid/gearcase, and utilize the electronics/fuel system from his GEN-1 250.

    That should not be done.


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  7. greens1098
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    #7 06-20-2015, 10:59 AM
    This is not correct. I am the seller of the gen 1 275. He has a gen 2 250. He is wanting to use the gen 1 on his gen 2.
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    #8 06-20-2015, 11:00 AM
    You said the 488 is the gen 2 and mine the 275 ending in 203 is the gen 1.
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  9. EuropeanAM
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    #9 06-20-2015, 11:36 AM
    Gotcha.

    Still the same rule applies. Unless you're transplanting a COMPLETE, FULLY-DRESSED powerhead with all electronics/wiring, it will NOT work properly.


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