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Originally Posted by 1989mach1
(Post 4505968)
I do it too. With the old boat the would fit in our garage we used to turn the heat on some times in the winter and when it was good and warm in there we would jump out of the hot tube run out of the house to the garage and go in the boat drink beer and crank the radio. Then go back inside to the hot tube. Drink and repeat lol
Awesome!!!:evilb: We would be fast friends lol |
[QUOTE=bigboat28;4505948]
Originally Posted by Full Force
(Post 4505743)
I average 50-60 hours a season if they do t break usually 80-100... All depends lol
I call bs........80-100 hours???????? Kelly's is only 5 minutes from the ramp. Do you know how many times you would have to make that trip to get 80hrs???:evilb: |
[QUOTE=Black Baja;4505950]
Originally Posted by bigboat28
(Post 4505948)
It's legit. He leaves the key on after he gets there. |
:daz::gfight:
Originally Posted by MILD THUNDER
(Post 4505994)
Any thoughts on these?
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Originally Posted by mike tkach
(Post 4505965)
mercury marine used solid roller lifters in a lot of their endurance engines.
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What makes the valve train last is mostly about putting together the right valve train combination that provides close to perfect stability. Consider finding a shop that can test your complete valve train on a SpinTron machine. Much of the valve train stability testing is done using a pair of different pushrods of various diameters and wall thicknesses (weight and stiffness). The NASCAR SBC valve trains are lasting for 500 miles at 8,000 - 10,000 RPM. Marine BBC engines running 5000-7000 RPM in an solid roller lifter application can last 75-100 hours with close to no movement in the valve train. At the end of the season, we just check & adjust the lash on a few valves. If set up right, in my experience the lash has not moved on most of the valves.....the rest .001-.003.
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Originally Posted by MILD THUNDER
(Post 4505994)
Any thoughts on these?
Where a bushing once it gets large worn it won't have a dynamic wedge anymore. I have bin telling my friend for years that's how it should be done. Lol. |
Originally Posted by 14 apache
(Post 4506028)
That's how a diesel lifter is one benefit is it will maintain the arc for the dynamic oil wedge to work.
Where a bushing once it gets large worn it won't have a dynamic wedge anymore. I have bin telling my friend for years that's how it should be done. Lol. Ive seen some out on the bench during overhauls, but never reallly looked close at how they were constructed. |
Originally Posted by phragle
(Post 4506014)
Mercury ,arine also like you to visit their parts counter....
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Originally Posted by mike tkach
(Post 4505965)
mercury marine used solid roller lifters in a lot of their endurance engines.
900SC in it`s day was a dry sump race engine. That was not a hey let put that in a pleasure boat and go 300 hours, motor. |
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