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  1. jimmbo

    Raising transom height on 12' Tinny. Worth it?

    If you get a Portable AC, make sure to get one of the 2 Hose units, that way it is using Outside Air to cool the Condenser, then returning it outside. The single hose units are using Inside Air to cool the Condenser, then sending it outside, and it has to be replaced by Hot Humid Outside Air.
  2. jimmbo

    Raising transom height on 12' Tinny. Worth it?

    The past 6 yrs the Humidity in Edmonton is between 95 and 100% every Night from late April till early Nov. All the new Storm Ponds are part of the Problem, as they create vast amounts of Evaporation, during the Hot Days, then when the Temp drops around Sunset the Dew Point hits and 100%...
  3. jimmbo

    Raising transom height on 12' Tinny. Worth it?

    My Mental Midget Brother, likes to open all the damn windows to let all the 100% humid air in at Night, then Closes them during the Day, and now he wonders why he has Mold on the walls.
  4. jimmbo

    5.7 vortec pertronix and Holley big carbs timing

    Big Holley Carb, really don't say much. But a 5.7 turning 5000rpm, with a VE of 80% is only gonna need about 430cfm. So a 600cfm is more than enough, anything bigger is just a waste and the Primaries too big and that can lead to poor Off Idle response. Are both Carbs you have the same Part #...
  5. jimmbo

    Raising transom height on 12' Tinny. Worth it?

    That'll hatch the Skeeters and Horseflies the size of Sparrows
  6. jimmbo

    Raising transom height on 12' Tinny. Worth it?

    Where in Northern Alberta?
  7. jimmbo

    Battery...

    If it ran even 20 seconds starved of water, I would be replacing the Impeller, no Ands, Ifs, or Buts...
  8. jimmbo

    Second mortgage for a carb?

    Marine Carbs have to be designed/modified so that Fuel is only be allowed to be directed into the Intake Manifold. That includes any from high Fuel Level in the Fuel Bowl, any that is condensed on the Throttle Shaft(s). Automotive Carbs do not have that Requirement.
  9. jimmbo

    Second mortgage for a carb?

    A 3 liter won't need any more air than what this can provide https://www.holley.com/products/marine_and_powersports/marine/marine_carburetors/parts/0-80320-1 But if you insist on putting on a Carb that is really too big...
  10. jimmbo

    F75TLR stalling at idle rough idle

    Might be a Plugged Injector, old Fuel can gum them up real good.
  11. jimmbo

    88 omc 5.7 motor swap

    Just curious, what are you using for the Fuel System, the Alternator and Starter, the Water Pump, even the Core Plugs?
  12. jimmbo

    Volvo Penta 5.7 no power

    Carb or FI, electronic, or mechanical Spark Advance?
  13. jimmbo

    Remove Gas Plug at Carburator, Gas Tank leak, Water Pump replacement.

    No need to be Nasty. Racer, is a Canadian, as am I
  14. jimmbo

    Merc 650 prop shaft seals

    Clutch Dog needs to be replaced. How does the Forward Gear look? One Chipped tooth usually becomes several shipped teeth in short order.
  15. jimmbo

    Gas Leaking from exhaust while priming bulb.. ?

    There was no mention of the engine being cranked while the Primer Bulb was being squeezed. so... For Fuel to make it from the Carb, to the Exhaust, when the Primer Bulb is being squeezed, it would have to go through the Intake Manifold, through the Reeds, into the Crankcase, fill up the...
  16. jimmbo

    4.3 Rear Main Seal replacement 2007 Tahoe Q7I Sport Fish

    Welcome to iboats Pictures showing what you are facing would certainly help.
  17. jimmbo

    1989 5.7L 4brl won't idle below 900 - 1000 rpms

  18. jimmbo

    Help this rookie Read Timing

    DO NOT use an Impact to Tighten any Bolt on these Motors.
  19. jimmbo

    1989 5.7L 4brl won't idle below 900 - 1000 rpms

    Someone might have fiddled with the Fast Idle Screw, or the Fast Idle Cam isn't dropping down.
  20. jimmbo

    1974 Invader Boat Company Giddings texas interior logo

    Is this the Emblem, a Slanted 'I"?
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