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  1. jimmbo

    Upgrades to old alluminum boat

    Aluminium Hull, and a Glass Cap. As mention above, and more HP. It really isn't big enough to be putting anything that allows for Fishing while standing, unless of course you want to go swinging too. Seats, but that may require a Floor being added
  2. jimmbo

    Just thought I'd share a nice photo.

    Lots like that at Lake Mead. Not as good of shape though. I suddenly hear in my ears "The ship set ground on the shore Of this uncharted desert isle"
  3. jimmbo

    What is this on the transom?

    As long it is glued, as in Epoxied, to the Hull with no air gaps, it will likely work. How it would compare to a conventional mounting on the Transom? Likely far less Range. Mounting it forward the Transom, only provides any readings if that part of the Hull isn't out of the Water. There is no...
  4. jimmbo

    Just thought I'd share a nice photo.

    deleted. Upload went FUBAR
  5. jimmbo

    Just thought I'd share a nice photo.

    I'd be surprised if that little boat in the Foreground, isn't shoved Astern by that Water Cannon
  6. jimmbo

    5.7 VORTEC /EDELBROCK CARB QUESTION

    That hose went to the Bottom of the Fuel Pump, to reroute any fuel leakage from a ruptured Diaphragm in the Fuel Pump. On a car, if that Diaphragm ruptures, the gas pours on the ground, and while there is a Risk of Fire, it is less dangerous than in a Boat, where the fuel would remain in the...
  7. jimmbo

    correct prop for 74 mercruiser 140hp

    Deleted, as it was going off on a tangent
  8. jimmbo

    5.0gi TBI to Carb

    GDI The link to the 2bbls used was FUBAR. so https://www.holley.com/products/marine_and_powersports/marine/marine_carburetors/parts/0-82500 https://www.holley.com/products/marine_and_powersports/marine/marine_carburetors/parts/0-80402-2...
  9. jimmbo

    5.0gi TBI to Carb

    That Edelbrock looks very close, to the Intake that is on my VP5.7. It is a very well designed Intake. The runners look similar the runners on the 1970 LT1 Intake and can flow quite well
  10. jimmbo

    correct prop for 74 mercruiser 140hp

    I suspect the 4800-6200 is a typo, likely 4800-5200.
  11. jimmbo

    5.0gi TBI to Carb

    If your engine has a 4bbl Intake, Volvo likely used one that accept Spreadbore Carbs as well as Squarebore My fave carb for Marine engines up to and including 454s https://www.holley.com/products/marine_and_powersports/marine/marine_carburetors/parts/0-80552 However a 5 liter spinning 5200 rpm...
  12. jimmbo

    correct prop for 74 mercruiser 140hp

    I wouldn't say 'corrected', informed is more appropriate. However, it is important to have the information of any engine you own. I really don't understand how New Boat Owners lose the Operator Manuals the boat/engine comes with. Engines should have something Permanently attached to them that...
  13. jimmbo

    correct prop for 74 mercruiser 140hp

    In the early 70s the 140 MerCruiser had a WOT range of 3900 - 4300 rpm
  14. jimmbo

    1983 140hp Suzuki or a 115hp 96 Johnson ocean runner

    In 84 I was repowering my boat, and was going from a Crank rated 90 to a Prop rated 115, both Mercury. The Dealer also sold Suzuki, and had an 83 115 in the Showroom. He offered me an even better price on the Suki, but I wasn't confident in that Brand. A yr later, that engine was mounted on a...
  15. jimmbo

    evinrude 25hp painting with mercury paint .

    I hate to have to tell you this, but painting an OMC motor, Phantom Black, isn't going to Boost the Horsepower
  16. jimmbo

    Winter project seagull outboard

    If you want that motor to survive, heed the 10:1 Mix. I am very serious about that. An added Bonus of the 10:1, you will get many thank you's for keeping the Mosquitos at Bay
  17. jimmbo

    Just thought I'd share a nice photo.

    I would be very nervous driving there, except on main highways. Were I live it is very flat. very few hills and very few Valleys. There are many sections of Highway that are Straight, no curves, for over 40 miles
  18. jimmbo

    Just thought I'd share a nice photo.

    My new camera, a Nikon can can use a new compression format to store the Raw files, making them about as small as a Highest Quality jpg file. However a lot of Image Editing Software can not uncompress the file to see the image. However the Software does display a kind of neat image of its own...
  19. jimmbo

    Rebuilding 1980 johnson 35 Cant split the case?

    It was a valid comment, a lot of people don't take the Intake manifolds off of many OMC outboards and haven't found the bolts hidden in there
  20. jimmbo

    Rebuilding 1980 johnson 35 Cant split the case?

    Getting the Name of the Part correct, makes it a lot easier for others to provide any Help/Advice. A Sarcastic response to some of the Best people on this Board, can get you on the Ignore List very quickly
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