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Mercury Test Prop 04 Jul 2020 01:07 #105793

Locomotion wrote:

MercuryMarc wrote: No fouled plugs here.

Ray, what's the brand of oil you use, Would it be good for my old Mercs?

Thanks











The Merc might refuse to drink the Evinrude oil B)


Oh for sure.... No hangovers here :biggrin:
Mercury Marc, 1958 Hawk II, Merc 400

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Mercury Test Prop 03 Jul 2020 11:45 #105763

MercuryMarc wrote: No fouled plugs here.

Ray, what's the brand of oil you use, Would it be good for my old Mercs?

Thanks











The Merc might refuse to drink the Evinrude oil B)

I may be looking for new oil with Evinrude shutting down.

I think any synthetic or synthetic blend is OK, if you run high RPMs much (or maybe at all) more oil is better.
“We delight in the beauty of the butterfly, but rarely admit the changes it has gone through to achieve that beauty.” Maya Angelou
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Last edit: by Locomotion.

Mercury Test Prop 03 Jul 2020 03:12 #105746

No fouled plugs here.

Ray, what's the brand of oil you use, Would it be good for my old Mercs?

Thanks
Mercury Marc, 1958 Hawk II, Merc 400

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Mercury Test Prop 03 Jul 2020 00:32 #105736

I run 25:1 synthetic blend in everything because I run everything without mercy B)
I never foul plugs but all my OMC motors have CDI ignition.
“We delight in the beauty of the butterfly, but rarely admit the changes it has gone through to achieve that beauty.” Maya Angelou

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Mercury Test Prop 02 Jul 2020 16:12 #105711

  • Moe
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I was thinking of running another tank of 30:1 through her before getting too throttle happy. With 24:1 how often are you fouling plugs ? All my chainsaws even the old 1960's ones I run synthetic 40:1 without issues. I'm sure the mixture debate has been gone over many times on this board.

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Last edit: by Moe.

Mercury Test Prop 02 Jul 2020 02:04 #105689

Moe wrote: The cattle tank I found on Craigslist for $45, 118 gallon I think. It's nice as I can just run it in the driveway.

What is your break in procedure ? I read the service manual which says 2 hours heavy mixture at varying and half throttle max and then no extended full throttle running for another X number of hours. Always curious what other people do though.


Moe, on my 400 I have been running 24:1 for 2-1/2 seasons now, Even my break in period. I never hammered down for two tanks or so. I think after running up and down from slow to 3/4 throttle for about 10 hours I then gave her hell. B)

Hope this helps
Mercury Marc, 1958 Hawk II, Merc 400

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Mercury Test Prop 01 Jul 2020 19:51 #105683

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The cattle tank I found on Craigslist for $45, 118 gallon I think. It's nice as I can just run it in the driveway.

What is your break in procedure ? I read the service manual which says 2 hours heavy mixture at varying and half throttle max and then no extended full throttle running for another X number of hours. Always curious what other people do though.

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Mercury Test Prop 01 Jul 2020 17:49 #105681

I like it,
Right now I do not use a test tank. On the up and coming 78A, I will just go down to the ramp and do boating right on the trailer.
Mercury Marc, 1958 Hawk II, Merc 400

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Mercury Test Prop 01 Jul 2020 16:07 #105680

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MercuryMarc wrote: Can You can put a rubber mat over the tank?
I have been brain storming on test tanks my first attempt was a bust. Not over yet.






Marc, what are you using for a test tank? I'm thinking of using a sheet of plywood over the top of my cattle tank with a short deflector angled down. Here's my fancy napkin drawing . . . .

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Last edit: by Moe.

Mercury Test Prop 30 Jun 2020 16:54 #105667

I feel better about that, I think it will still throw a lot of water but, like you say, you can always remove more if it can't rev up high enough.
“We delight in the beauty of the butterfly, but rarely admit the changes it has gone through to achieve that beauty.” Maya Angelou

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Last edit: by Locomotion.
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