SBC 383 Stroker in a boat, thoughts?
05-19-2008, 10:31 AM
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SBC 383 Stroker in a boat, thoughts? I've heard a few different opinions about putting a stroker motor in a boat. For the people who've had experience with marine engines, what are your thoughts...stroke or no stroke?
I want an engine that will last and obvisouly be reliable. So extreme modification is out of the question. However, since the engine has to be rebuilt, I want the best bang for the buck. The block is currently .030" over, and will probably need to go .040" due to wall clearance.
Option is to go the same displacement (355) or increase stroke for 385. For the stroker rod, it has been recomended to use the 5.7" over the 6.0" due to oil ring position.
The main question is will a stroked motor last in a boat? or keep it "stock"
I want an engine that will last and obvisouly be reliable. So extreme modification is out of the question. However, since the engine has to be rebuilt, I want the best bang for the buck. The block is currently .030" over, and will probably need to go .040" due to wall clearance.
Option is to go the same displacement (355) or increase stroke for 385. For the stroker rod, it has been recomended to use the 5.7" over the 6.0" due to oil ring position.
The main question is will a stroked motor last in a boat? or keep it "stock"
05-20-2008, 03:42 PM
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Go 6" rod all the way with a piston that does not need an oil support rail for the oil control ring. My Mahle pistons are like this. 383's are very reliable motors if built right and one would be crazy to build a stock stroke 350 after having a 383.
Mercruiser offers two 383's with warrantys.
Go 6" rod all the way with a piston that does not need an oil support rail for the oil control ring. My Mahle pistons are like this. 383's are very reliable motors if built right and one would be crazy to build a stock stroke 350 after having a 383.
Mercruiser offers two 383's with warrantys.
