Archive for the ‘Customer Forums’ Category


Mercruiser 2.5L Marine Engine Repower Project

Curt, Thanks for your inquiry and the opportunity at earning your business. Things have changed significantly regarding the new engine emissions rules. Please check out the link below that will explain these changes for you. After reviewing this information just let me know which option makes the most sense for your particular situation. Let me […]

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Bertram 28 GM Small V8 350 CID Marine Engine Replacement

Scott, Thanks for your inquiry and the opportunity at earning your business. Things have changed significantly regarding the new engine emissions rules. Please check out the link below that will explain these changes for you. After reviewing this information just let me know which option makes the most sense for your particular situation. Let me […]

Posted in Customer Forums

1988 Regal Valenti 22 ft with a Volvo Penta AQ271c 350 Silent Choice Exhaust Control Switch

Tom, Corsa does not carry any rocker switches that would match.  They just have a 12V automotive toggle switch.  The Corsa system requires a single throw / single pole on/off switch.  Not a momentary switch.  Switch should be capable of a 5A load.  Corsa system only draws 1.5A per engine at the switch. You may […]

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Volvo Penta 5.0 GXi Marine Engine Repower

Neil, Here’s a link to a new GM longblock however we need to verify what model you actually have (see link below). Please check that and let me know. Link to Engine I.D. http://tinyurl.com/kpqgt5 Link for new longblock http://tinyurl.com/3x7g3hn Regards Performance Product Technologies/IShopBoating 8002 West 6th Street Stillwater, OK 74074 (405) 533-3812 Fax (775) 257-1769 […]

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Mercruiser Exhaust Riser Gaskets and Overall Engine Heat Load

Larry, I don’t want to point fingers but the mechanic really doesn’t have a good technical understanding of the system and heat rejection fundamentals. The total area of the restrictor gasket is still larger than the area of the inlet water fitting on the bottom of the manifold (by design). Therefore both gaskets allow the […]

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Driveshaft Extension Kit for 2011 Mercruiser 5.0L MPI Bravo 3

Ed, Thanks for your inquiry and the opportunity at earning your business. Yes this is the specified kit for that application. You can add your selected product(s) to your shopping cart and the shipping estimator located at the bottom of the shopping cart page will give you a shipping cost based on your specific postal […]

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Closed Cooling System for 1995 Mercruiser 4.3L V6 Marine Engine

Randy, Thanks for your inquiry and the opportunity at earning your business. I’ve given you several links below to review. You can add your selected product(s) to your shopping cart and the shipping estimator located at the bottom of the shopping cart page will give you a shipping cost based on your specific postal code. […]

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Marine Engine Flushing System for 2007 Mercruiser 6.2L

Mike, Thanks for your inquiry and the opportunity at earning your business. The link for the kit below should be the correct model however if you want to email me a few pic’s of your engine I will be happy to verify it for you. You can add your selected product(s) to your shopping cart […]

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1987 Mercruiser 4 Bolt Main 350 Marine Engine Longblock Replacement

Bill, Thanks for your inquiry and the opportunity at earning your business. I have a couple of different options for you to review. Using the links below you can add your selected product(s) to your shopping cart and the shipping estimator located at the bottom of the shopping cart page will give you a shipping […]

Posted in Customer Forums

750 Horsepower GM Marine Big Block V8 Exhaust System

Dale, Generally the engines making 600+ Hp would go with the Gen3 exhaust systems. Check out this link below for the 2 options. Gen 3 High Perf Exhaust http://tinyurl.com/45aynn6 Regards Performance Product Technologies/IShopBoating 8002 West 6th Street Stillwater, OK 74074 (405) 533-3812 Fax (775) 257-1769 [email protected] www.perfprotech.com From: dale  Sent: Tuesday, February 08, 2011 10:21 […]

Posted in Customer Forums


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