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  1. Scott Danforth

    153 head on a 181

    1991 and later motor is a new design using a 4" bore of the 5.7, a 1-piece RMS, and the 168 tooth flywheel The same base motor was sold by GM. The various HP ratings were simply tuning.
  2. Scott Danforth

    Sadly a lot of motors will suddenly be for sale.

    Caller: am I insured if my car hit wildlife insurance company: depends, what did you hit? Caller: 2 grouper and a flounder
  3. Scott Danforth

    Lowe 1677WT 2001

    Call Lowe and ask
  4. Scott Danforth

    Bone headed move - put the plug in with 3M 4200

    Debond marine formula. However post #6 is half the cost
  5. Scott Danforth

    153 head on a 181

    There are two valve sizes that I know of. Would have to spelunk around inliners for more information
  6. Scott Danforth

    Sadly a lot of motors will suddenly be for sale.

    Just saw a car hauler with a bunch of Mercedes and BMWs on it. Salt crystals around the door seals....
  7. Scott Danforth

    153 head on a 181

    you can. some of the 3.0's came with 2.5 heads. not much changed in the heads when they stroked it until after 1990
  8. Scott Danforth

    1988 ski supreme

    blower motor will be either a 3" or 4" start with what is there and then get the same. bilge pump may be a lowly 500 GPH or 800 GPH pump. I would go with a 1200 GPH pump myself.
  9. Scott Danforth

    4.3 vortec Mercruiser..lots of questions

    Northeast Canada? Northeast US? Northeast UK?
  10. Scott Danforth

    Hurricane Helene

    Snead island isnt that big....
  11. Scott Danforth

    Hurricane Helene

    Looking online at the damage in the Carolinas as well as eastern TN. ( Nothing on local cable news). Heart goes out to those impacted
  12. Scott Danforth

    Hurricane Helene

    Nothing here Co-worker had 2 feet of water (river front in parish) AMI and St Armands still have flooding. St Pete/Clearwater barrier islands are still a mess
  13. Scott Danforth

    Ranger 12' cracks?

    Looking at the crack without context is meaningless. Step back 15 feet and take the pick with the whole hull. The issue is the ranger is a low-end fiberglass bass boat with a design life of 15 years. So depending on how the boat was treated, could be signs of other structural issues.
  14. Scott Danforth

    Sadly a lot of motors will suddenly be for sale.

    Rather buy a flooded marine motor that was properly addressed than a neglected and unknown motor
  15. Scott Danforth

    36 tournament / Cummins 555 VT

    Is the 555 in good shape? After 52 years, most likely the prop on the boat is correct and either the boat is waterlogged or the motor is tired
  16. Scott Danforth

    Volvo Penta 3.0L fuel starvation?

    There are only 7 moving parts in the Holley 2300. Less than 30 parts total. Clean out the passages, make sure the accelerator pump circuit and idle circuit passages are clear
  17. Scott Danforth

    Cam for SBC 350 early model non roller

    You may want to relook. Your at 9.4:1 unless you decked the block
  18. Scott Danforth

    Cam for SBC 350 early model non roller

    Look at the link in my sig. One of the links in the first post has me using the XM264H on my 1988 AQ271 and DP290a1 drive. Your motor should have the posts machined to run roller cam
  19. Scott Danforth

    Cam for SBC 350 early model non roller

    You will want to make sure you have the marine intake. Also, run a 2" carb spacer
  20. Scott Danforth

    Cam for SBC 350 early model non roller

    Comp XM264HR or Comp XM268HR
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