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  1. Tafflad

    Serpentine Belt Issue

    I contacted VP ..... with the serial number of engine, they provided me with link to download the Maintenance manual ... so unless they provided wrong link, I have the appropriate manual. My assumption is there has been a service update to add this extra pulley to take out the long run. I have...
  2. Tafflad

    Serpentine Belt Issue

    No it's fixed, the only one moveable is the auto tensioner.
  3. Tafflad

    Serpentine Belt Issue

    Volvo 4.3 280hp (2020) Went to fit serpentine belt, had not taken phot of it prior to removal for winterizing ….. as I knew it was displayed in the manual. Unfortunately what is in the manual does not match the engine … If you look at manual diagram it has an idler pulley DThe 2nd Whereas in...
  4. Tafflad

    DuoProp choice ?

    The data above is what the dealer found during testing .... an average of several runs on each set. There are no trim tabs ...and dealer advised they trimmed out as much as they could. They got higher rpm than I did when I tested ... I use in open water .... with swell & chop. Dealer has a...
  5. Tafflad

    DuoProp choice ?

    Cupping is set on the VP set ..... don't want to change that.
  6. Tafflad

    DuoProp choice ?

    I'll go with that lower set then... that is what is on it now, just had option on either set. As I had the test data, thought it worth checking. Thnx
  7. Tafflad

    DuoProp choice ?

    That is what Dealer is suggesting
  8. Tafflad

    DuoProp choice ?

    The dealers advice was that as most of my use is below 30mph then having the lower pitch would give me better hole shot and flexibility. i don’t ‘cruise’ as such ... its stop - pop a skier or boarder out of water - few minutes run .... repeat. Not sure which way to go hence the post.
  9. Tafflad

    DuoProp choice ?

    Have a bowrider with a VP 280-C DPS For this motor the WOT range is 5400-5800 The prop set has to be changed under warranty, due to corrosion on the SS blades. The dealer did some test runs with new prop set (original pitch) And with a set with next pitch down. The results are ... Original...
  10. Tafflad

    Removing impeller

    In case of use to someone in future .... here is a pic of my modified bolt to make the impeller puller. I used a 3/4-16 UNF hex bolt ..... cut it down to 1" long .. Through-hole of 9.5mm From hex head end counterbored to 11mm for half the depth of the threaded portion. Then put M10 thread in...
  11. Tafflad

    Should you polish a Prop or not

    OK ... I don’t have a race boat, I have a 21’ bowrider used for towed watersports. It‘s stainless duoprop so 6 blades. It has not been delivered mirror finish, so wondering whether to polish it all to high sheen or not. My hull is new and will remain highly polished ... its towed so never has...
  12. Tafflad

    Should you polish a Prop or not

    I meant the body of the props where blades attach
  13. Tafflad

    Should you polish a Prop or not

    I have just had a new pair of Stainless Steel Duoprops on my boat (exchanged for free) The props are reasonably polished on blade area but on the hub it's a mixture of polished and what looks a bit like watermarks .. (don't come off with Autosol) On all my previous boats I have polished props...
  14. Tafflad

    Removing impeller

    stated = stayed
  15. Tafflad

    Removing impeller

    Nice idea ... but in my case I had removed each screw fully before taking plate off .. so o-rings stated in the housing.
  16. Tafflad

    Removing impeller

    I didn’t find anything on impeller removal in operators manual ... only on the on-line service manual. I’ll have another look.
  17. Tafflad

    Removing impeller

    I did notice typo it should be 3/4-16 UNF machine screw. I can’t edit, it won’t let me, edit button not there. it allows edit of this post ... maybe it is time limited - I’ll ask an Admin if they can correct.
  18. Tafflad

    Hull support trestle

    The issue is the boat is supported over its length by rollers so multi-point support over ab 12’. So not easy to mimic that .... hence my thoughts on 2x heavy duty stands at transom, where the weight is ....and wooden blocks matching Vee on a wooden trestle on bow.
  19. Tafflad

    Hull support trestle

    It’s pulling trailer out, I want to coat it all with Lanoguard. is there any reason not to use the screw Jack bolt stands I have on rear ? These are rated 5 Ton .... the tops are around 12” x 8” hard rubber support pads on heavy duty Cast swivels, onto 2” acme thread bars into triangular bases...
  20. Tafflad

    Removing impeller

    A follow up Q for those that have worked on this style water pump. As well as main o-ring. There are also 4 x small O-ring for the cover plate fixings. I assume you push screws through the plate, and fit onto the screws pushing onto back of plate, then fit .... would keep o-rings close to top...
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