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  1. jakwi

    Oil in Bilge

    Hi all, I discovered a new issue and I have a couple of questions for those with more experience. I have a 2003 Bayliner 245 with a Mercruiser 357 Alpha 4V P/N 865103R88 S/N1G401632 . It is basically a bored out mercruiser reman of a 350. I operate mostly in brackish water. Anyway I had an...
  2. jakwi

    Intermittent ignition failure at above idle RPM

    Hi all, I'm hoping that someone can point me in the right direction. I have a mercruiser repower 357 alpha 4v. Which is just a standard carbed 350 with the thunderbolt iv ignition. Before today it had been running great. On the way back to the ramp today I was cruising along on plane at about...
  3. jakwi

    Exhaust manifold Replacement questions

    Hi all, Well I pulled together the cash to purchase the OEM manifolds, 3 inch spacer and the riser/elbows. I couldn't quite swing the dry joint option, so what I purchased are the E coated wet joint parts. $1036 shipped, which was the most affordable option I found for OEM parts. Thanks to...
  4. jakwi

    What do you guys think of the Mercruiser stainless risers?

    I found a pair of Mercruiser Stainless Steel Exhaust Elbow Risers PN 816900-C, for $250 Will they match up with my Manifolds? I have a Mercruiser 357 Alpha 4v. The part numbers that I know will work are: 2 - 807988Q03 Risers 1 - 93320A13 Spacer Blocks 2 - 860246Q11 Manifolds Thoughts?
  5. jakwi

    Exhaust manifold options

    I was just wondering what the consensus is. If you had to replace your manifolds, spacers, and elbows on a 357 Mercruiser Alpha 4v raw water cooled, Mostly Brackish water usage in Central Florida, almost year round. I store on my trailer, and Flush immediately when arriving home, typically...
  6. jakwi

    Exhaust Manifolds and Risers, Unknown age

    Hi all, I noticed that there was a little rust on my starboard side exhaust riser joint. Temps have been normal, 175-180, probably closer to 180. I can place my hands on both risers and hold them there. Although the Starboard side is hotter, neither is too hot to touch and I didn't notice...
  7. jakwi

    Automotive ujoints

    Hi all, I'm new to the forum and wondering if someone might be able to help. I found this list for automotive u joints that will cross with the Sierra Sierra 18-6406 I keep searching for the Spicer 5.4x but I can't find any reference to it anywhere. I did find that the Spicer 1300 crosses to...
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