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  1. Scott Danforth

    Instrument cluster cover

    Post a pic. It was either screws, z-clips and screws, or studs
  2. Scott Danforth

    1993 Volvo Penta DP-D1 Stern Drive

    If you PM me your email, I can send you a 1988 290/DPA shop manual. However the VP site just needs your drive serial number to get the manual (1991 and later) There is little change in the drive from the 290DP up to the DP-H1 If you need parts...
  3. Scott Danforth

    FREEZE PLUG REPLACEMENT

    I would look closely. Looks like the core plug was pushed out (fresh metal scrapes) Agree with Jim, marine engines use brass and stainless core plugs.
  4. Scott Danforth

    Solar Power Installation . . .

    Something like this. https://www.renogy.com/12v-60a-dc-to-dc-battery-charger/?gclid=CjwKCAjw_ISWBhBkEiwAdqxb9stRtDwHQoKy8nCdfW1WRkUcQCIyBKttThssHVTtmdu4S8Y5lYVIJRoCa-cQAvD_BwE
  5. Scott Danforth

    Solar Power Installation . . .

    Pick a single battery to charge for the feedback. Then use a DC to DC charger to bump the voltage and feed the other batteries
  6. Scott Danforth

    Regal 2100 sometimes take long time to speed up to reach 16 miles it’s look like struggling on between 10-15 miles but once hit 15 miles it’s will go

    New to you boat, or did you have it for a while? Where is your trim set? Are you adjusting trim? Explain exactly how you take off and what you do
  7. Scott Danforth

    1993 Volvo Penta DP-D1.230 I/O Problem

    First, attempt to draw from a bucket will burn your impeller Always use muffs or back the boat in the water you could have debris in your PS cooler
  8. Scott Danforth

    Mercruiser 5.7 won’t make power

    0.4# of fuel per HP per hour
  9. Scott Danforth

    Idles great / misses when throttled up

    this is still the issue unless the gauge was crap
  10. Scott Danforth

    Prop change rpm gain?

    not sure you can fit a 16" prop on an A1G2 as it was tight with a 15". however rule of thumb is 200 RPM for every inch of pitch. still think you have a fuel issue.
  11. Scott Danforth

    NO CRANK!!

    clean all the connections from the battery to the starter and block, then up to the helm. if you suspect the starter, pull it and go thru it.
  12. Scott Danforth

    1993 Volvo Penta DP-D1 Stern Drive

    yes, from Volvo Penta. https://www.volvopenta.com/en-us/service-and-support/your-engine/manuals-and-handbooks/ its a derivative of the 290DP and the DPA
  13. Scott Danforth

    Regal valanti 170. Omc 4.3 v6

    get rid of the batwings before they kill your motor. simply google batwing manifolds no idea what went into the motor in 2018, however wont change hp much between cheap cast pistons or forged unless there was a blower on the motor. being in a boat, you are limited on cam choices
  14. Scott Danforth

    Mercruiser 5.7 won’t make power

    yes, it should be steady if you are taking readings from the plenum. however you are most likely taking readings upstream closer to a cylinder so you will get pulses.
  15. Scott Danforth

    Regal valanti 170. Omc 4.3 v6

    Going from 2 barrel to 4 barrel will gain you maybe 10-15 HP. Going to vortec heads will get you another 20hp or so So from your 37knots to maybe 40knots Did you replace the batwing manifolds yet
  16. Scott Danforth

    Mercruiser 5.7 won’t make power

    Depends where you have the cam set and where the timing is. 15 to 18 inches of mercury is where I would expect at 0 up at idle with 8 BTDC base timing Bring the base timing up to 10-12 BTDC and you will bring the idle vacuum up. Did you get a fuel pressure reading while under load?
  17. Scott Danforth

    Boat swamped, let's see if we can get it running...

    Or get towing insurance and call it an adventure...... Keep extra waters and beers for the tow Capt
  18. Scott Danforth

    Mercruiser 5.7 won’t make power

    Yes, then I needed more power and built a BBC
  19. Scott Danforth

    Trailer bearings wear out ultra quickly.

    You need new axles
  20. Scott Danforth

    Mercruiser 5.7 won’t make power

    I ran the same cam in the SBC on the Rogue. spinning VP DuoProp B6 props (about 23p) and pushing 4200# out of the hole almost instantaneously. I dont think its a prop issue. however toons are a different animal. the lower the drive in the water is does load the prop up a lot more, however...
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