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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

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Topic: Boat Repowering

Question: What options do I have if I'm looking to repair or replace my existing Marine Engine?

Response: It doesn't take long when looking at the price of new boats to start investigating the alternative option of replacing or repairing your existing marine engine versus purchasing that new boat. This forum covers the options of marine engine longblocks versus bobtail marine engines.

When it comes time to investigate the options there are several things to consider; first and foremost is the age and condition of the engine being replaced. If the engine or longblock itself is bad, but the exhaust  and other marine engine systems are in relatively good shape it can be a good economical option to simply replace the marine engine longblock. However, unless you intend to complete the work yourself one must always consider the labor associated with switching the attaching hardware over from the old marine engine to the new one. Common issues that arise when replacing a marine engine longblock are whether the intake manifold will match, making sure the flywheel is correct, making certain the ignition system matches properly, and making the necessary adjustments for mechanical versus electric fuel pumps. With marine engine longblocks there are either remanufactured or brand new options with the prices actually being very close to the same for either option. Have no fear, the PPT Guide to Repowering below will completely walk you through the process.

STEP #1 USE THE PPT GUIDE TO REPOWERING - Select this link to learn the subject from TOP to BOTTOM including what options are available, and how they're categorized between longblocks versus power packages versus complete turnkey bobtails.



 



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