manifolds

  1. tony1b2000

    What are these holes on my manifold and risers?

    Hi, Just received my manifolds and risers. I am noticing several silver plugs to cover holes in my manifolds and risers. Are they permanently in there (sealed) , or do I have to remove and put a threaded plug in them? Sorry if this seems like a stupid question. This is my first time...
  2. Boater420

    Question About Changing Spark Plugs

    Hello all, I have a 1997 330 Sundancer with 7.4 Bluewater engines. I can follow the plug wires down to the spark plugs and have enough room to work in that area. My question is...Is it possible to remove the plugs without removing the manifolds. It looks like it's going to take some time and...
  3. M

    How Bad Does This Riser / Manifold Look?

    Hello, looking to purchase a 2000 SR 270 Dancer with 7.4L MPI. There are no accurate records of when the last time the risers / manifolds were replaced. The boat is in fresh water and has 397 hours. I noticed some rust on the gasket where the riser and manifold meet. Is there any way to...
  4. N369RM

    Stainless Steel Manifold Hi-Tek Past Experience and recommendations?

    Like everyone here, I have to encounter the issue of replacement of the manifold and risers. Yet, I am at a loss to determine if the after market stainless is worth it? http://www.hitekmarine.com.au/products.htm seems to make great claims. What I want to know for those who are in a salt water...
  5. S

    Yep...yet another Riser and Manifold question..

    OK, need any of you 290DA owners to tell me how hard it is to inspect / replace manifolds and risers on the twin 5.0's. I can barely reach the plugs on the port engine due to interference with the water tank and have a VERY :wow: cramped engine compartment overall. I need to pull the risers...
  6. Coastal Manifold

    Hi-Tek Stainless Steel manifolds

    Im a new dealer for Hi-Tek products of Australia.We manufacture 56 different makes and models of boat Manifolds.We also have hard to find Manifolds.Hi-Tek has the best Warranty on the market. 5 year Warranty.Enough about that. I live on the Oregon Coast.I can see the Pacific from my house.Im a 5...
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