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Thread: 300R nonsense thread
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07-26-2018, 01:31 PM #31Member
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07-26-2018, 06:18 PM #325000 RPM
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Hopefully the free valve tech will come to outboards, then you would have no cams, tensioners, or timing chain. So save what 80lbs right there? Then you could have the option to run as a two stroke and bingo you have a 4.6l v8 2 stroke with out ring eating ports and no oil injection or mixing. Also you could put in a timing switch and run as a 4 stroke for cruising and better mpg
Last edited by madmatic; 07-26-2018 at 06:20 PM.
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powerabout liked this post
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07-26-2018, 06:46 PM #33Screaming And Flying!
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Forward only gearcase, engine could run backwards......
83 V-King, 96 Mariner, 200 hp ff block 2.5 w/a 28p choppa
We gotta clean this liberal mess up, VOTE TRUMP TO MAGA!
Rebuild thread:
http://www.screamandfly.com/showthre...-it&highlight=
http://www.screamandfly.com/showthre...cs.&highlight=
Videos
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powerabout liked this post
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07-26-2018, 06:53 PM #345000 RPM
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You guys are losing it.
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engineermike, NICE PAIR liked this post
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07-26-2018, 07:06 PM #355000 RPM
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New drive system is next, flexible weed whacker shaft will keep the case nice and slim.
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07-29-2018, 12:45 PM #365000 RPM
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Any rumors on a 15” mid section, since this motor is so tall I figure a 15” mid would fit nicely on a lot of boats.
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08-30-2018, 11:34 AM #375000 RPM
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Ok, so that right there is an o2 sensor which tells me this engine IS closed loop. Meaning it will do its best to maintain correct A/f ratio with mods to intake and exhaust. Also the shape of the collected exhaust begs for a water cooled turbo, or remove the alternator and put in a procharger. I will 100 percent be putting in an inline a/f recorder and gauges to see where it's at. During run times. They state that they lean out the engine during cruise for better fuel economy so we already know there is tunability built in.
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JPEROG liked this post
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09-07-2018, 12:39 AM #38
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09-07-2018, 12:48 AM #39
OK found this cool!! https://whipplesuperchargers.com/ind...product_id=280
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09-18-2018, 08:55 AM #40Member
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Hp
Would be inquiring as to was data collected off an ISO certified Dyno?
And what type of endurance testing before and after Flash was Done.
Nothing reasonable about smoking an outboard powerhead.
Pretty impressive improvement though.
In todays ability to Collect rate of acceleration data
Easy to bring a graph to the table.
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whipper liked this post
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09-19-2018, 12:45 PM #415000 RPM
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The thread below states a 250R actually weighed 564lbs with cowling, has anyone actually weighed a 300R by chance or any new V8?
http://www.bbcboards.net/showthread.php?t=925606
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10-15-2018, 05:06 PM #42Member
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My local dealer laughed at me today when asking about the new V8's. He said he might see one in 6 months and the price he gave me was very high.
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10-15-2018, 07:25 PM #435000 RPM
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10-16-2018, 09:23 AM #445000 RPM
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Mercury has me thinking these motors are build to order something like tesla cars. Talked to a guy this week he doesn't get his 250 motor till March 2019 wth. So I suggested calling Jaco marine they advertise having new v8 in stock his reply is I did they don't have any.
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10-16-2018, 09:44 AM #45Supporting Member
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They have a lot more demand then they ever anticipated. These motors came out at the same time the economy and consumer confidence hit full boost . The big dealers and manufactures are the first to get them Randy has had 4 of the 300R motors but we are still patiently waiting on the offshore versions to be distributed.
Joe
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