Recent content by bompapen

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    454 leak oil from the dipstick tube.

    I overhaul my 454 to 492 and run well. Yesterday by error I overfill the engine little more than 2 quarts of oil. When run the engine one breather pop out and start to leak oil from the dipstick tube. Leak a lot of oil. Also have too much air pressure get out from the fill holes in the valve...
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    More Horses in a 225HP 3.0L

    I have a 225HP 3.0L 2003. I know the 250 use the same short block. I see in Ebay a controler for the computer claim 15% HP increase. This is true or I can do other thing that easy. Thanks for any advise. David
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    Alarm sound on a 225EFI 3.0L

    I have a 225EFI in a DONZI 16. When I try to plane the boat iff I raise the RPMS too quick the alarm sound continuosly and only can turn off iff I idle or neutral. When I plane the boat slowly the alarm sound again but at 50 MPH. Then I stop and sound at lower speed 45-40 and keep falling , some...
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    A 225 EFI need a Nosecone?

    I buy a 225 EFI 2003 same as Optimax. I see the gearcase have holes in the nosecone area. Can I rise the engine with a Jackplate without a Nosecone?
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    How to make more power for a 200 motor

    I decide to buy a 2001 carburated 200hp mercury. I want to have more horses without open the short block. It is possible. Thanks for any advise. David Vil?
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    How to modify a 200HP Jhonson

    I have a crosflow 200hp Jhonson and want more horses. Anyone know where I can get information for modify this engine without open the block?
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