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    Exhaust Manifold correct installation water hoses?

    Hi, I reemplace my old engine 454 V genaration 330Hp and put a TRS 400, but in my old V generation are not hoses water to the risers, but i see in many engines have the water hoses go to the risers, my question is for my new engine TRS 400 what is the correct installation of the water hoses...
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    How to install restrictors crossover intake manifold

    Hi, How is the correct way to install the 4 units of restrictor crossovers that is coming with the gasket felpro for my engine 454 rectangular?????? Thanks in advance Erick
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    Exhaust manifold problem cyclone 400 engine mercruiser

    Hi, i rebuilt a 400 cyclone engine year 1985t o swich my old 330 hp 454 five generation year 1993, my question is, can i use the same exhaust manifolds of my 330 engine in my 400 cyclone. The original cyclone 400 are different are long exhaust and they are not more in the market, some friends...
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    What Size and brand is my carburetor?

    Hi, I have a carburetor in my 7.4 is not the original, 4 barrell , i thing is quadra jet , the only informaci?n in the body and in diferents sides: C9A46956 C-1926 2019 I want to know the brand, model, year, and Size 650 ir 750? Thanks in advance. Erick
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    Exhaust plastic pipe or ss change the sound ?.????

    Hi, have Engine 7.4 (carburetor) and i want to install the exhaust pipe directitly from the exhaust manifold, and i want a really performance sound....... my question is the sound of the exhaust is difentt if i use SS pipe or if i put a silicone or pvc plastic pipe,???? I Thanks in advance
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    Engine cyclone 400 can use a bravo 3 ?????

    I have the opportunity to buy a complete engine call cyclone 400 It's a big block Chevy 454, year 1985 in excellent conditions it was working with a TRS system it is no outdrive , i want to switch this engine with my 7.4 - five generation, but I do not if my bravo 3 can work with this cyclone...
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    Mercruiser ID Problem 400HP

    Hi, we have a one mercruiser marine engine with the id number, but I can not find, the specifications of this engine V8- 4 barrel, I take a pictures with all numbers in the engine block, and the manifold carburetor... ....Thanks in advance...Erick
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    Carburetor correct for a 7.4 mercruiser 4 barrel 330HP 1993

    Hi, I have a engine stock 7.4 year 1993 mercruiser 330HP 4 barrel, need only a carburetor,What is the best carburetor for this engine ? Is for a sport boat with Bravo 3 ( Cobalt 272 1994)...Thanks in advance. see boat picture
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    New Propeller Xr Vs Standart ss Bravo 3

    Hi, I need to know it is true ? if now my boat have Propeller size 24 pich ss Bravo 3 and I want to change to XR 4 blade ( The front) Bravo 3 I have to select less size 23pich'..... It is Correct? Thanks in advance SEE attachement pictures
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    Performance VS Time distributor 454

    :facepalm:Hi My friends, I have a Boat cobalt 1994 454, 7,4 mercruiser engine stock i only change the carburetor to edelbrock 750 and manifiold edelbrock too, I installed a new cam from crane cams spec card for #133802, but When I advanced the distributor time the boat take a great performace...
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    7.4 -Bravo 3 Problem RPM-speed

    Hi, I have a cobalt 1994 model 272, with 454 carburetor quadrajet 4 barrel stock, small manifold edelbrock, and pitch 22 dual propeller bravo 3. I put a new crane cam mod. 133802, with range 2000 to 5600 RPM to have more performance ( the old came is to max range 4400 rpm),BUT the new cam give...
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    camshaft VolvoPenta454 NO Remplacement ?

    Hi, I have a Boat with old engine, but in good conditions, all stock, with small Edelbrock Manifold, and Carburetor 4 Barrel Quadrajet OEM. I open the engine and have to change the CAM, ( hydraulic), but I do not want the original,because the VOLVO SAID IS EXPIRE THIS PART... I prefer from...
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    Marine carburetor; different from a car?

    I have a stock engine 454 from a car, put in my Boat, and many people told me that i have to change the carburetor and the camshaft, because its different and it does not work well on the Boat..IS IT TRUE? do I have to Change it??? and what other parts??? What I can do?:confused::confused...
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    Big problem with my engine 454 gm help

    I have a boat 27 feet 1994 Cobalt 272 sport, Bravo 3 , engine GM 454, with Holly carb dual pump, and Edelbrock manifold. (it doesn't have computer, old version) PROBLEM: The engine works great in low to medium acceleration, but when going top speed, starts to jump dramatically and loses speed...
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    Sterndrive can be submerged all time in seawater ?

    My boat is a Cobalt 272 and this all the time in the dock and sterdrive mercruiser Bravo 3, this totally under water, what should I do? is this really bad? Thanks for your help. Erick
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    What Pitch? is volvo part C53857466 and 62

    Hi, Please Who can tell me what pitch is my propeller duo Volvo part number.. C5 Rear 3857466 / C5 Front 3857462.Thanks..Erick
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    Propeller 26 or 28 Pitch ?

    Hi, I am in Mexico Cancun, and recently I bought a Cobalt 272 1994, with engine 454 originally - serial 4100144472 and a transmission Volvo Penta, which was broken and I changed for Bravo 3 with propella pitch 22. Problem: AT Top Speed and with the trim light up the boat made 5200 RPM / 40 MPH ...
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