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  1. jimmbo

    18 or 25? Anyway to tell?

    The Cowl Cover looks like a 1969(based on the Graphic on the Back of the Cowl) . The Recoil looks like it was from a Johnson Motor. Maybe the Transom Bracket was replaced, or the entire Powerhead and Cowl were placed on a 73 Midsection. It looks like some Sketchy Glass Repair on the Transom, in...
  2. jimmbo

    18 or 25? Anyway to tell?

    When I look at the 1973 Parts Lists, I see different Part #s for the 18/20 and the 25hp Carbs Pics of your Frankinrude, would be nice
  3. jimmbo

    18 or 25? Anyway to tell?

    If those parts from a 25 are installed on an 18/20hp, the engine can be ruined. Putting the 25hp Head on an 18/20hp, without changing the Pistons will result in too much Compression and Detonation will occur. Putting the Carb and Intake for a 25 on an 18/20 without the Piston and Head Changes...
  4. jimmbo

    18 or 25? Anyway to tell?

    That Jet is used in the 25hp Carb The differences between the 22 cubic Inch 18/20hp and the 25hp are: 1)Pistons - Relocation of the Wrist Pin, changes the Port Timing, and lowers Compression 2)Cylinder Head - Restores Compression 3)Intake Manifold - Required for the Larger Carb 4)Carb - Larger...
  5. jimmbo

    Evinrude big twin 40

    I am of the mind that the Engine could run too Hot without the Stat, because of the Removal of the Associated Parts affecting the Water Flow Patterns. However, it is your Motor, so can do whatever you want with it...
  6. jimmbo

    Evinrude big twin 40

    Get a new Stat
  7. jimmbo

    Found some rocks with my prop...

    That Number(0522) stamped on the Hub, is likely a Repair Work Order #, and the Prop looks like it has been repainted
  8. jimmbo

    Found some rocks with my prop...

    That Prop has been repaired before
  9. jimmbo

    Found some rocks with my prop...

    The Body Dolly, or other Backing Plate is an Important Part of trying to straighten any Piece of bent Metal
  10. jimmbo

    Evinrude big twin 40

    Without the Stat, the Housing, the Ball and Spring, the Intended Water Flow Pattern compromised. The Spring maintains an approximate 1 Psi in the Cooling System when the Stat is Closed, but the Pressure from the Pump is higher, so the valve opens and the Water is sent back to the Pump, when the...
  11. jimmbo

    Evinrude big twin 40

    The stat is supposed to start opening around 138F. As I said it does use a Recirculating System, which is why there are two Pipes going to the Water Pump. Have you taken that Cover, #28 on the Exploded Gearcase? I have found Crap in there, and it starved the Pump. How long have you owned this...
  12. jimmbo

    4.3 diesling

    Cooler/Colder Air is Denser, thus has more O2 per, whatever unit you want to measure it by, thereby making a bit more Power. Rainstorms often drop the Air Temp by several Degrees, and that to leads to a better feeling engine.
  13. jimmbo

    Evinrude big twin 40

    As the Driveshaft is not bolted to the Pinion Gear, there will be Up and Down Movement, limited by the Key in the Pump, and when installed by the Crankshaft. Not sure what you mean with "Woodruff Key was in the Cup". Are you saying it is installed? So, it is all together, and no water? Is the...
  14. jimmbo

    4.3 diesling

    I found Retarded Timing to increase the Chance of Dieseling, as the Throttle is opened more to maintain Idle Speed, and the Retarded Timing causes the Engine to run Hotter. As mentioned above, Deposits on the Piston, the Head can create Hot Spots that can ignite a Combustible Mix While running...
  15. jimmbo

    New Stuff on Vehicles likes/dislikes

    Unfortunately there is no Test that determines if anyone will be a Good Parent. And if there was, and someone is Deemed unfit, what can be done, Forced Sterilization has been deemed Unlawful in Civilized Countries
  16. jimmbo

    New Stuff on Vehicles likes/dislikes

    I had one of those Square Yellow hang from the Corner "Baby" type Signs. It read "Are You Stoned or just Stupid". It got Stolen, and I have never been able to find another one
  17. jimmbo

    New Stuff on Vehicles likes/dislikes

    We don't need OnStar, Apple Play, the Nav System, Pay per Listen Radio, Paddle Shifters on anything but a Race Car, TPMS, Blind Spot Indicators, Back Up Cameras, Side Motion Detection, Auto Braking, Jaywalker Notification, Distance from Car in Front, Lane Detection, Shake the Seat Warnings...
  18. jimmbo

    Trailer bearing blowout. Need help with repair(s)

    Galvanized Drums? Well they will look Prettier, but where the Braking Surfaces, will have the Plating removed, and therefore will still Corrode from Salt Water. Inspections would need to be More Diligent, as a shiny Outside, may lead some to think that the Braking Surfaces are Corrosion Free
  19. jimmbo

    New Stuff on Vehicles likes/dislikes

    The Car Manufacturers and the Government should also be charged every time a Person driving with only the Daytime Running Lights on at Night gets a Ticket. They stupidly have the Dash Lights to be on when the DRLs are operating, and people end up thinking they have Driving Lights, so they never...
  20. jimmbo

    New Stuff on Vehicles likes/dislikes

    A conversation in a Car is Different than one on a Phone, even a Hands Free. The Brain doesn't function the same
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