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  1. Scott Danforth

    Need to replace Chevy 350 long block in boat

    you can replace the motor from one out of a truck. however you are only using the short block and heads. being an 80's vintage, you will need to replace the steel core plugs with brass or stainless, the head gaskets with marine friendly head gaskets. then you need a marine circulating pump...
  2. Scott Danforth

    Sanding fiberglass in preparation for paint

    depends. if you added wax to the resin, then yes if you didnt add wax, and the resin is still tacky, then no.
  3. Scott Danforth

    got me a new boat!

    great trade.
  4. Scott Danforth

    IAC Valve

    GM used BWD, SMP and Honeywell for the supply. some on-line engine management catalogs https://forums.iboats.com/threads/generic-boat-wiring-information-updated-verified.726970/#post-5512928
  5. Scott Danforth

    Battery...

    cant compare a car battery to a boat. a car battery is only slightly discharged, and then becomes fully charged after you drive to work every day. that is a nice slight discharge/recharge cycle that batteries like. plus most people put better quality batteries in their car A boat sits pretty...
  6. Scott Danforth

    gimbal housing and shaft alignment

    welcome aboard you need an alignment tool. as for parts, you will know what you need once you remove the drive and inspect. you may also need a coupler, as that is usually what gets destroyed with bad alignment. as for the process, its covered in the factory service manual available here...
  7. Scott Danforth

    1989 3.0 Alpha 1 questions

    Highly recommend pulling the drive and checking alignment, and replacing the impeller and bellows. Rubber parts only last a few years regardless if the boat sits or is used. A failed impeller will ruin more than a weekend
  8. Scott Danforth

    bildge pump

    I suggest you start your own thread. Hijacking threads is against the rules.
  9. Scott Danforth

    IOS new prop

    I agree with AD. you need more power with a boat load of people, or you need to have a lower pitch prop. I would recommend a 17p for when you are pulling tubes. for example, on my 3.0 powered boat, I carried 3 props. a 19p stainless, a 17p stainless and 15p stainless. the 19p was for two...
  10. Scott Danforth

    1992 ski centurion 351w

    put motor at TDC at cylinder @1. verify tower #1 and rotor are lined up. make sure the wiring is correct per the firing order. fire up the motor, and with your timing light, adjust the base timing to 8 degrees BTDC (spec is 6 degrees BTDC)
  11. Scott Danforth

    1992 ski centurion 351w

    That is not how you set timing
  12. Scott Danforth

    Exhaust bellows needed.

    You don't need a bellows there (no movement) You just need a rubber exhaust hose Go on ebay. Buy a high-temp 4-ply nomex and silicone turbo hose in the size you need 3" x 2.5" is a common jump size
  13. Scott Danforth

    Alpha 1 Gen 1 trim Cylinder air Bleed Procedure

    Replace line. Cycle up and down a dozen times
  14. Scott Danforth

    baby king cobra pinion shaft

    There used to be a custom gear and shaft shop in Elgin Illinois that was a bunch of old OMC machinist. They used to make replacement shafts. That's where I got a bunch of parts for the Obsolete Marine drive I had. However that was 25 years ago and the guys were in their late 60s then. Maybe...
  15. Scott Danforth

    VP 4.3GS Fuel Delivery Problem?

    Read the air horn numbers Go here and get part number of metering block. https://documents.holley.com/techlibrary_carb_numerical_listing.pdf Buy metering block from summit racing
  16. Scott Danforth

    AC Mr43T

    If plugs were not tightened correctly, they will overheat and blow out
  17. Scott Danforth

    When does anode require replacement?

    If in doubt..... replace them
  18. Scott Danforth

    Battery acts like it was dead

    Either really bad connections or a bad battery
  19. Scott Danforth

    Bow damage fix?

    You have holes showing in this picture where the boat was beached Fix the damaged keel Never fill a boat with water
  20. Scott Danforth

    Volvo Penta SX - Vibrates when turning or trimming

    Pull your drive and determine what you need before spending money
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