540 stroker,,DUD engine, dont do it.
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They where asked by the teacher who has the best dad and the first one said mine ,,mine ,,he works for Delta and flies around the world in 16 hours,,,.......second one said ,,big deal ,,mine ,,he works for NASA and flies to the moon and back in the same time,,.........and then the 3 rd kid said ,,,you are all full of it,,..... my dad works for the city, gets off at 5pm and is home by noon !!!!!
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I run a gen 5, 509ci and it made 660hp,it only has 30hrs on it but runs strong so far,just did a custom cam from bob madera this winter,runs even better now,it has some big heads on it and also pretty stout camshaft.
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Last edited by AIR TIME; 03-31-2009 at 07:36 PM.
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Ofcourse if you have one or build them to sell you wont agree. But if you build BB chevy day in and out for 30 years. Dynoing them as well as taking them apart years later to freshen them you know a 540 wont make the 30 hp more it should then a 509 and will have more wear if built the same way. Not saying a 540 is junk and ofcourse it will run well but hands down the 502 is a better stroke.
The program used is used by Gale Banks and he swear by it. As far as the guys who agree with me on this, most of them asked me not drop there names. Top notch marine engine builders in NY are in a small circle. Look at Mercruisers 540 bulldog @ 470 pshp. the 500Hp is the same pshp with SLIGHTLY more compression. Why is the 500HP the choice for racing over the 540??? Call Mercruiser and get a good honest tech on the line. See what he says. I rest my case.
The program used is used by Gale Banks and he swear by it. As far as the guys who agree with me on this, most of them asked me not drop there names. Top notch marine engine builders in NY are in a small circle. Look at Mercruisers 540 bulldog @ 470 pshp. the 500Hp is the same pshp with SLIGHTLY more compression. Why is the 500HP the choice for racing over the 540??? Call Mercruiser and get a good honest tech on the line. See what he says. I rest my case.
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Last edited by AIR TIME; 03-31-2009 at 07:37 PM.
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mrhp, Your first post gives me the impression that you do bench work on a pic nic table in a back yard full of farm animals. And you agree with me by telling me I know the answer.. Your second post you agree again with what I said about 557s. Which proves my point. You have been building 557 FOR YEARS you say. Whats the problem? You haven't moved on to the next thing. I own a 7000 sq ft Mercedes Benz repair shop with 9 lifts that I built from the ground up. I rebuild MB engines and transmissions in house. Got a 4,000 lb 99 e class to run 10.60s. Got my Harley to run 12.0s.and my daily driven pick up in the low 12 as well. Not saying I am an expert marine engine builder. But I know how to make things work. There are a lot of engine builders that go through life thinking bigger is better,and more is better. Only because there not smart enough to read, learn or question others.Go ahead be a follower and keep building the same thing you have been. Good engine builders evolve to new things.
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Okay so I'm not sure what to do now, I've got 500 bulldogs with 70hrs on them, should I send them to Pit Bull and get them refreshed before this summer or I am I safe to run them for another season.
If I do get them freshened and put a mercedees benz fuel injection system on and the black plastic covers from a 500 SL AMG would that get my boat to break 100, of course that is assuming I put 45 inch 6 blade herring's on my bravo's to handle the horse power gain.
Would I also have to run a synthetic oil because of the new fuel injection.
My Hull is very AERODYNAMIC so I think this is possible what do you guys think.
These threads seem to raise so many questions![Big Grin](/forums/images/smilies/biggrin.gif)
If I do get them freshened and put a mercedees benz fuel injection system on and the black plastic covers from a 500 SL AMG would that get my boat to break 100, of course that is assuming I put 45 inch 6 blade herring's on my bravo's to handle the horse power gain.
Would I also have to run a synthetic oil because of the new fuel injection.
My Hull is very AERODYNAMIC so I think this is possible what do you guys think.
These threads seem to raise so many questions
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Last edited by AIR TIME; 03-31-2009 at 07:39 PM.