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  1. J

    AQ260A With EST

    Spark plug gap for MR43T .028 or .035 or ?
  2. J

    Flat at last 1/4 throttle - EST Distributor.

    She runs smooth and responsive up until about 3/4 throttle. Then she seem to run OK but no torque and can't get any more RPM's. Fuel lines and filter and carb checked out OK. Air intake clean. Thinking my EST Ignition module might have gone south. When I changed it out I found a ring in the...
  3. J

    250 or 270 or 280

    The cover on my outdrive says 250. I tried to replace that transmission with one that was sold as a 250. It didn't fit. What did fit was a trans that was sold as a 280 and yes I reshimmed it to .003 squish. Soooo, I'm guessing my outdrive is not a 250, at least the intermediate section and the...
  4. J

    Hello?

    We miss you Rick.
  5. J

    Aquamatic Transmission

    Trying to help a friend doing a transmission swap on an Aquamatic 250. Several questions: The white one (coming out) has posts sticking out of the top. The donor trans doesn't. Will this be a problem? Are there shims that we need to worry about? Is it a big deal to replace the transmission seal...
  6. J

    Aquamatic Swap

    I've run a 260A with a 250 drive. I have a complete 280 V8 ratio drive. The only thing I've checked so far is that the helmet bolts are the same. What other problems might I run into with the swap.
  7. J

    Shifting Slow?

    VP260A w/ Aquamatic 250 in a houseboat. When I had her out today (for the first time in quite a while) I noticed something new. When I put her into gear at idle, I know she's shifting because the RPM's drop a little and she lazily moves forward, but when I get her up to about 900RPM I can feel...
  8. J

    260A - Aquamatic 250

    Good call on the voltage Ricardo. My lift fuse was blown. Might be something going on to blow it, but for now we're back in operation with no hesitation or funny noises. As for the drive...looks like I have the metal at "A" but no drain plug? I'm going to see what the timing is at 3500 - it...
  9. J

    260A - Aquamatic 250

    Thanks guys. Nothing has slipped - maybe I just screwed up when I set the timing after installing the EST stuff with the shunt. We almost never go over 6-8 mph in the houseboat so the only time I might notice any problems is when I open her up every now and then - and she stumbles above 3,000 so...
  10. J

    260A - Aquamatic 250

    Had a nice first outing last Friday, but today the mechanical lift motor for the outdrive doesn't turn. The relays click in both directions but the motor doesn't even grunt. I see two allen heads attaching the unit to the housing. Is there anything tricky I need to know about pulling the...
  11. J

    Drive Bellows Replacement - Aquamatic 250/270

    I've read the procedure somewhere, for removing just the upper section of the drive to replace the drive bellows but I'll be darned if I can find it. Can someone steer me in the right direction? Any preferred source for the new bellows - part number? And "O" rings? Also, typically, which PDS...
  12. J

    Outdrive Problem?

    VP 260A with Aquamatic 250. When I put her in forward, she starts to move, then as I slide the throttle more she pulls a little harder but not proportional to the rpm increase, then klunk she locks into gear. If I take her down to idle while in gear she does the same slipping thing again as I...
  13. J

    170 HP Chrysler Replacement

    A friend bought a 1973 houseboat with twin 6 cyl 170 HP motors. He's worried about parts. Is there a more common motor that will work with his 250 out-drives - without having to do complicated modifications?
  14. J

    Which Outdrive

    Just bought a 1973 houseboat. It has twin 6 cyl 170 HP motors. The transom shield says "Chrysler" but the drives appear to be 250 VP Aquamatics. Did Chrysler make a drive or do these take VP parts? Also the specs say the twins have 3 carbs each. Would these be two barrel? Could there be...
  15. J

    Aquamatic Propellers - Fitting a Long Hub Propeller to A Short Hub Shaft

    http://tinyurl.com/h5wcgor
  16. J

    propeller help AQ280

    Because I like the big Solas (Amita 3+) I've addressed the interference problem...making sure to seal the resulting hole securely. So then a long hub propeller is basically a short hub propeller that has the forward spinner spacer built in to the aft end of the propeller beyond the splines?
  17. J

    propeller help AQ280

    Why then does Volvo list different props for short hub or long hub applications, as do all the places that sell Aquamatic propellers? If I've got the hardware for a 250 then according to you either long or short should fit? And I'm having trouble with the math. If these dimensions are...
  18. J

    propeller help AQ280

    Ricardo - you've shown that the only difference between the short and long hub propellers is the length of the hub. That sure makes sense - short hub, long hub! Can you verify the actual difference in length? It seems to me to be only 1/8" or so. If that is the case then the one pictured would...
  19. J

    propeller help AQ280

    You could be using the wrong line cutter. If you can't find the correct one, just take/grind about 1/8" off the aft end of the one you've got.
  20. J

    Aquamatic Exhaust Flappers

    My 250 has an obvious flapper that covers the exhaust cup behind the propeller - to keep water out of the exhaust system while backing down? Is there a similar flapper somewhere on the 280?
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