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  1. jimmbo

    RWD Tow Vehicle Launch Issues?

    Been using this as a tow car for over 20 yrs And this is it's replacement. Has a 7000lb tow option from the factory. and currently has about 13,000 miles on it.
  2. jimmbo

    Plastic Tanks are All Junk

    In the late 70s, early 80s, I took several Pressure Tanks in to the Dealer and traded them one for one on New Unpressurized Tanks.
  3. jimmbo

    Plastic Tanks are All Junk

    Any and all Businessmen do what is their Interests, nobody elses'
  4. jimmbo

    1983 Mercury 90HP outboard (3carbs) Bogs out when hot

    Welcome to iboats When it does the Bog, how long after starting did it run before you gave it throttle?
  5. jimmbo

    Plastic Tanks are All Junk

    A friend had a Kraut(I can say that, I am 1/4 German) Kadillac(Mercedes) and her husband had a Berlin Buick(BMW). For a bit they thought those were the greatest cars on the road. After a few years, the KK needed something in the Brake System. It was parked rather than fixed. As of the BB, after...
  6. jimmbo

    Just thought I'd share a nice photo.

    What a difference 25 yrs makes. St. Albert AB August 1985 August 2010
  7. jimmbo

    Just thought I'd share a nice photo.

    Kamloops BC. June 1987
  8. jimmbo

    Just thought I'd share a nice photo.

    Blotched edit
  9. jimmbo

    CROSSFLOW PERFORMANCE ?'s

    Totally unregulated Charging System, Voltage will climb as the Rpms increase. Only use Wet Cell Batteries that have the provision to check the Electrolyte Level and add Water as needed. Sealed Batteries, and AGM(like Optima) are NOT to be used.
  10. jimmbo

    Tube with 25hp on a 14' tinny

    And as the Day goes by, it takes longer and longer for the Bow to drop
  11. jimmbo

    Converting to carburetor from mpi 350 mag

    You did order the Marine Model?
  12. jimmbo

    Just thought I'd share a nice photo.

    I call this one 'The Boxer'
  13. jimmbo

    Converting to carburetor from mpi 350 mag

    The Q-jet is probably the most sophisticated Carb ever designed. It certainly could make Power, and also could deliver good Economy and Low Emissions. It was produced in 2 sizes, 750 CFM and some made for certain Buick 455's were 800 CFM, the difference being the size of the Primary Venturi
  14. jimmbo

    Converting to carburetor from mpi 350 mag

    A 600 is overkill for a 5.7 going 5000 rpm, as it is using less than 430 CFM. When I have the 2bbl 500cfm Holley on my 5.7, the engine has about 4.5-5 inches of Manifold Vacuum at WOT(4800 rpm), which indicated that the 2bbl(which when tested like a 4bbl, flows about 375 CFM) was a bit...
  15. jimmbo

    Converting to carburetor from mpi 350 mag

    Not the wisest thing to do to the engine, but ...
  16. jimmbo

    Converting to carburetor from mpi 350 mag

    You should always have the engine up to Operating Temp before "Taking Off", One of the best ways to have an engine wear out soon, is to slam the throttles on a cold/warming up engine.
  17. jimmbo

    Just thought I'd share a nice photo.

  18. jimmbo

    1979 115 hp 6 cyl inline 2 cycle timing/carb adjust

    Shows to be a 79, which would be an Inline 6 https://www.autorepairmanuals.biz/page/609774 Service manual for it...
  19. jimmbo

    Suggestions about boat not getting on plane and prop protection

    When I was teenager, could get a 10ft car topper to plane with a 5 1/2, but certainly couldn't plane the 12ft car topper A non-planing hull, aka Displacement Hull, takes very little power to push up to its' critical speed, once there, a 10 fold power increase isn't going to do much, except...
  20. jimmbo

    Need advice for getting boat on plane

    Welcome to iboats I am curious as to what Rpms you are getting at WOT. My thoughts... That forth blade is loading the engine up too much at low rpm, hence the poor Hole Shot. Things that are easy to check: As already mentioned, Compression Are all Cylinders getting a Spark that can jump a...
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