Mercruiser 383 STROKER SCORPION BRAVO 400 HP!

horsepower 400HP @ Crankshaft WOT Operating Range 5600-6000 RPM Engine Configuration GM Small Block V-8 Displacement 383 CID / 6.3L Bore 4.030" Stroke 3.750" Compression Ratio 9.6:1 Idle Speed 700 RPM Gasoline 91 Octane Minimum Engine Oil MerCruiser 25W40 Syn Blend Spark Plugs AC-MR43T

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Baja islander 383 stroker
baja islander 383 stroker engine





6.2L LSA Engine Install & Lake Test
6.2L LSA Marine Power engine w/ Bravo III XR outdrive lake test. Engine was installed at Michigan Motorz. Exhaust was run THRU-PROP, not thru-hull to reduce Exhaust noise. Many components that were installed are special/custom to make the 6.2L LSA work in a stern-drive application.





V8 383" Stroker
Finetuning of my newbuilt 383".





383 Stroker Blower Motor Startup
This is my latest creation. It is a small block chevy, 383 stroker with a 6-71 blower. It is a 4-bolt main block, Scat crank, steel I-beam rods, Mahl blower pistons, ProComp aluminum heads and a Howards blower cam. Blower is a Weiand straight rotor 6-71 running at 8% underdrive. With 9 pounds of Boost, it runs on 93 octane pump gas. Carbs are Carter Competition AFB's.




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