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Marine Engines Repower – Bayliner Cierra 2655, 1991 model Mercruser MCM 5.0l LX
Dennis, Thanks for your inquiry and the opportunity at earning your business. Since Mercruiser made both Alpha and Bravo sterndrive models with that engine I would not be able to tell you without knowing which one your engine is setup for. Can you give me the original engine serial number? Or can you tell me if [...]

4.3L Marine Engine Longblock Performance Specification
Mike, Thanks for your inquiry and the opportunity at earning your business. The Hp rating for longblocks is determined by the fuel system that’s install back onto the engine. For example since GM only produced one marine version of the 4.3L during this timeframe Mercruiser used this same longblock on their 190 Hp 2 barrel carb [...]

Marine Engines – Replacement marine engine for my boat 5.7 mercruiser 1992 #0d763634
Marty, Thanks for your inquiry and the opportunity at earning your business. Using the links below you can review your options. Let me know if you need any further technical information or help placing your order. In either case I will be glad to assist! Link to Block Code/Serial Number Location http://www.perfprotech.com/store/app_themes/PPT/images/block-casting-no.jpg Link to Remanufactured Longblocks http://tinyurl.com/68kcet8 Link to Remanufacturing [...]

Suzuki Marine Outboard Motors – Replacing a Fuel Pump on a DF70
Step by Step Video Instructions illustrating how to change an electric fuel pump on a Suzuki DF70 outboard motor. Watch Video

Boat Trailer Parts and Accessories – How to Replace a Boat Trailer Hub
Step by Step video instructions illustrating how to replace a leaky oil filled hub on a boat trailer. Watch Video

Auto vs. Marine Engines

Performance Product Technologies Question & Answer Forum

Topic: Marine Engines vs. Automotive

Question: Is There Really Any Difference Between a Marine Engine vs. Automotive?

Response: Contrary to what many people claim, there truly are several differences between the automotive engine and marine. These differences prevent automotive products from performing as well as the intended marine engine. Many people attempt to save money by utilizing an automotive engine rather than marine, however in our experience these situations rarely save money in the end. Be very careful with companies who claim to offer engines not being Marine Grade, but still being the same, or compliant, or some other fancy terminology. In the end the fact still remains that you get what you pay for.

The freeze plugs are of a corrosion inhibiting material.
The head gaskets also utilize corrosion resistant construction.
The valve guides utilize corrosion resistant construction.
The water pumps are intended for a marine operating environment (seals and bearings).
The camshaft is designed to marine duty requirements as needed to move a boat versus a car.
The overall duty cycle of a marine engine is very different than that of an automotive application. When was the last time your thought of running your car at full throttle for a sustained period of time?

Auto vs. Marine Engines, Marine Diesel Engines, Used Marine Engines, Man Marine Engines

Technical Tips Information:
Installation Guidelines Overall Re-Powering Options Automotive vs. Marine	3.0L Engines 4.3L Engines 5.0L/5.7L Engines 7.4L/8.2L Engines

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Auto vs. Marine Engines

Performance Product Technologies Question & Answer Forum