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  1. jimmbo

    How do I set fuel/air mixture 3L Holley carb?

    Holley Power Valves, on occasion leak, Diaphragm damaged by Backfire. Overall a very simple but good Carb.
  2. jimmbo

    New to me TOP

    I had one of those from 1984 till 1998. Still one of my favorite Motors Last pic has it with a Cowl from a 71 1150, except for the lower cowl cover which is still brown
  3. jimmbo

    No spark on my 1984 115 horsepower TOP

    Is the Kill Switch for the Lanyard on the Control Box in the On Position? Hooking up the Battery backward fried the Rectifier instantly. As that engine has an ADI(Alternator Driven Ignition) it will run with a Dead Battery or no Battery. The Trim System will work whether or not the Key is on.
  4. jimmbo

    Lot more new boaters and large wakes?

    I doubt that is even 10 Watts. Hopefully a few dunkings will gum up the Voice Coils and no Noise is the result. I hear a lot of Crappy Music being played by Boaters. If they would play something relaxing like Black Sabbath, AC/DC, Motley Crue, Judas Priest, it would be OK, but no they gotta play...
  5. jimmbo

    Need help diagnosing temperature problem on Volvo Penta 5.0 GL-J

    I once ran mine with the Hose Cap off, Dealer had left it open and didn't tell me. Water got high enough to submerge the Starter(which the Dealer removed and had it serviced). Never got hot, but I was not running it much above Idle, the boat just felt very sluggish when I did hit the Throttle...
  6. jimmbo

    Just thought I'd share a nice photo.

    Another couple pics of Blue, V6/Black Max Prototype from 1972 - 73 era
  7. jimmbo

    Mercury 850 Hot Start Issues

    Welcome to iboats After it sits for 20 minutes or so, and won't start, have you tried using the Choke again? Even Numbers for Compression, doesn't mean much, as they could all be evenly Low. Check all Electrical Connections for good Contact BTW, 1977 was the last year for an 850, in 78 it was...
  8. jimmbo

    79 Johnson tilt and trim

    Did you recheck the Fluid Level?
  9. jimmbo

    How do I set fuel/air mixture 3L Holley carb?

    On the 2300 the Idle Mixture Screws are on the Metering Block, not the Base
  10. jimmbo

    How do I set fuel/air mixture 3L Holley carb?

    Do 1 and 4 share the same half of the carb?
  11. jimmbo

    79 Johnson tilt and trim

    A lot of Problems with the Tilt and Trim of that design, is from Operators not retracting the Trim Rams in all the way when securing the engine for towing, once the Tilt Lock is engaged
  12. jimmbo

    Want to add additional rollers

    You could spread the Rollers a bit further apart, to lower it a bit, the Crossmember(s) will rotate to redistribute the load. Roller Trailers do tend to put the Boat higher. Switching to Bunks... You need deeper water to Launch/Load with bunks. Your trailer already has 2 more Rollers than...
  13. jimmbo

    Prop advice needed

    Those things didn't last long, in use, or on the Market. Probably shredded a few Gearcases
  14. jimmbo

    Want to add additional rollers

    Not easy to add rollers on a Calkins. Same as my first Boat. I tested it with a 90 merc, and bought it with a 140 Evinrude. It too was on a Calkins, but the older style. FYI the Boat is a Flip of the Crestliner Cruisader 550
  15. jimmbo

    Evinrude Big twin 40

    http://www.fiberglassics.com/library/images/e/ea/Johnsonservice002.pdf
  16. jimmbo

    Lot more new boaters and large wakes?

    I always liked this pic
  17. jimmbo

    Propeller pitch

    WOT: Wide Open Throttle What is the Gear Ratio of the Drive?
  18. jimmbo

    Volvo 3.0 GSP-C carb jets

    Your carb is a 500cfm model In my VP Service manual I did find one 500cfm Holley 2300 that used two different Main jets(all the other carbs used the same jetting on both sides) but it only lists the VP Part# Volvo Penta #3863240 500 CFM Model 2300-2V Pump Lever Clearance. . . . . . . . . . ...
  19. jimmbo

    How to change cap and rotor?

    Label the wires, and take good clear Pictures before any Disassembly
  20. jimmbo

    Prop advice needed

    In the 70s, when the V6 Outboards were introduced the Thru Hub Cleavers props were used on a lot of Racing Hulls as there weren't many Over Hub props out there back then
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