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  1. M

    Mercruiser wiring

    Im redoing my boat and repowering with a new vortec block.My engine is pretty much all new.But the wiring is a mess.The old engine has had a fire at some point as the shift interrupt switch,wireness plug and circuit breaker has melted rubber and some wires have rubber burnt off,I also have some...
  2. M

    What prop and gear ratio

    Hi Im trying to figure out what prop to get for my glaston 199 sierra.Its 20ft cuddy cabin,im not sure about the weight.Im quessing 2500-2700pounds with engine. Im repowering with a new 4.3 vortec with edelbrock performer intake,thunderbolt IV,edelbrock 1409 4bbl 600cfm...
  3. M

    Lost carb in freight

    Hi I apologize for my bad english but I hope you can help me.I dont want to name any parties yet,as they still have the opportunity to do the right thing. Ordered a 4.3 longblock with oil pan,timing cover,spark plugs,edelbrock manifold and edelbrock 1409 600cfm carb.All the parts were supposed...
  4. M

    Rebuild problems

    My old engine is a mercruiser mcm, non vortec with 12 bolt intake,one piece rear main seal,non harmonic balancer and steel oil pan. My new engine is a reman vortec balancer shaft engine with one piece main seal and aluminum oil pan. My dilemma is can I use the flywheel from the non balancer...
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    Help a fellow boater

    EDIT: Sorry, solicitation not allowed.
  6. M

    Fiberglass and boat design question

    Im in the middle of a engine change on my 1990 glastron sierra 199.Its my first serious boat,im technical but a beginner when it comes to boats and fiberglass.Im from Finland so my english is not so good. In the bottom of the engine compartment there is a layer of fiberglass put on the bottom...
  7. M

    Electrolysis and manifolds

    Hi Both of my manifolds cracked due to freezing(old owner).Im replacing the engine and going to FWC it.I want to get alum exhaust manifolds and use the old risers.The old risers are oem mercruiser cast iron and only a couple of months old.I know that both materials expand different,but I use a...
  8. M

    Play in upper gimbal bearing 1990 alpha one gen 1

    Im changing a new engine for my glastron 199 sierra due to a cracked block.After we got the old engine out the guy at the marina pointed out that I have play in the upper gimbal bearing.Its part number 17.He told me that I need to remove the gimbal housign from the transom. How hard is this job...
  9. M

    I got hosed

    Bought a glastron sierra 199 last winter,it was cheap but the seller told it had cracked both manifolds and block.The new manifolds were welded and crack was fixed with epoxy.The epoxy seal and welding wasnt leaking and oil didnt turn white so I thought it would be ok.I tore the intake manifold...
  10. M

    Merc alpha one problems

    Hi everybody! Im having big problems with the alpha one gen one outdrive.The impeller pump broke when we testrunned it at the dock.It might have idled 5-10min without water flowing.Is it possible to burn the outdrive in that time?The engine&manifolds still had water in them.I could barely touch...
  11. M

    New glastron owner with some problems

    First off just like to say hi,new to the forum.My English is not so good since its not my native language. The boat is a glastron 199 sierra,it was originally fitted with a 3.0l 130hp merc.But was fitted in 2008 with a 4.3lx 175hp merc with raw water cooling.As far as I know the alpha one...
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