Pictures
and Dimensions & Weights
Dyno Specs
Fuel Consumption
Price Estimates
Compatible Drives and Bellhousings
Pictures and Dimensions & Weights
Turn key wet weight: 340lbs (155kg).
Bare Block, dry weight, no flywheel: 170lbs (77kg)
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Naturally aspirated diminsions. Click picture to enlarge. |
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Dimensions with a 7" supercharger. Click picture to enlarge. |
| Notice that the peak rpm is different on these two dyno sheets, had the 600cfm Holley carb been allowed to go higher in rpm horsepower numbers would most likely be near 290hp. |
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Marine 7" Supercharger setup with a 390 Holley. Peak torque is 184ft/lb @6700rpm Peak Horsepower is 275hp at 8500rpm |
Marine 7" Supercharger setup with a 600 Holley Carburetor. Peak torque is 188ft/lb @ 7300rpm Peak horsepower is 267 @ 7300rpm |
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Ideal cruising rpm has a low bsfc of mid .4 with a 600cfm Holley carburetor. |
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These are estimates and the price for your application may differ. This one is for a carbureted, naturally aspirated 13b. |
| These are estimates and the price for your application may differ. This one is equiped with a carburetor and a 7" supercharger. |  |
| Our marine bellhousing will fit the following inboard engine for through hole drives: Borg Warners, Velvet Drives, and Hurth Mercruisers. It will also fit IO units with a proper adapter plate. |