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No, you have to take the motor apart to inspect the crank.

Sometimes magnets go dead like that after a impact... or drop... you actually might be able to get it "recharged" at an alternator shop or a place that does magnetos... depends on the materal the...

Frank,

Thank you for pointing out my mistake… I made the calculation for displacement of 50ci in each cylinder….

So what it should look like was this….

0.028 935 185 cubic feet 2 X 6000rpm...

Mark 75H,

The cubic conversion you stated is incorrect 1 cubic foot = 1728 cubic inches. So 50 cubic inch = 0.028 935 185 2 cubic foot … and this is assuming a 100 % cylinder fill, we now can...

I Know it has no outboad in it ... just kinda fun to watch and think...


http://videos.streetfire.net/video/ab544e3b-5dff-416d-9cfd-a1ad23ca9564.htm

Maybe I will Build an air box and attach to it a leaf blower… something like 4 psi of boost at 900 CFM… boost reference the fuel… and see what happens...

I like the idea :) ... thats why that 70 is already on the back of the boat... as it's only rated for a 50:(

Fast Fred,

While i do indorse the use of N2O, The problem for me with spraying is that now to get full benefit of the N2O would to prop accordingly to ether situation and that cant be done… so I...

Mark75H,

Going form 60 to 88hp is something like a 47% gain that’s not too shabby at all... I was thinking around a 15-25% gain in power form this motor would be more then enough.

As it...

Hello,

I am wondering if anyone could help me out, I have a 1980 mercury 70 and can’t find too much info about these motors. What I have found is that the top hole has a tendency to go lean. Is...