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  1. 8

    Steering lever hitting one side of gimbal housing

    I have a 1979 Century with a 228 Mercruiser transom setup. My boat always has turned left a lot sharper than right. In fact, the engine used to stall a lot while docking if you turned the steering wheel too far to turn right. I actually posted about this a year ago. Well with the engine out...
  2. 8

    Wiring problem on 350 mag Mercruiser Thunderbolt 4 (module on distributor)

    I am repowering a 1979 century that originally came with a Merc 228 set up. I am using a 1995 350 Mag to repower. The cannon plug on the engine does not match the cannon plug on the boat side. The new engine has a 10 pins, the old set up 9 pins. They do plug into each other. I have been...
  3. 8

    Gimbal Housing seal on #1 outdrive

    (1979 Mercruiser 228) I looked up the part on a drawing and the drawing shows a flat, gasket in the shape of the gimbal housing. The part #6533A1 matches up with a seal that looks black and unshaped, in a loop. Does this sound correct? Is anyone familiar with this seal/gasket and how it is...
  4. 8

    Engine Swap : Fuel injection or carb?

    I have a 1997 5.7 engine with roller cams and vortec heads, I have a cast iron 8 bolt intake manifold with an Edelbrock carb. mechanical fuel pump. I found a boat with a cracked block for sale. 1999 sea 210. has a 5.7 merc. with fuel injection. which way should I go......swap carb set up for...
  5. 8

    Engine Swap Feasability

    I have an excellent 1995 5.7 Mercruiser engine. I have been trying to match it up with a boat with a bad engine. I saw an ad for a 2004 CHAPPEREL with a VOLVO PENTA GXI 5.0 MOTOR with a cracked block. Would the 1995 block work in a 2004 boat? I know the 1995 did not have a knock sensor. Is...
  6. 8

    Swap a 350 small block into a 454 large block boat

    Hi, I saw a 1990 cobalt 252 for sale with no engine. The owner has a built up 454 he wants to keep, including the bell housing. The outdrive is a Bravo 1 which would come with the boat, as well as the transom plate. It has captain call exhaust set up. I have a 5.7 engine from 1995. Is it...
  7. 8

    Engine Swap on a Stingray boat

    I am looking at a purchase of a 1994 Stingray 20ft. boat that has a 4.3L V6 and an Alpha 1 outdrive. The owner described it as having water in the oil......a lot. Heads? Cracked block? I have a good 1995 5.7 vortec Mercruiser that I would swap out for the V6. Is this feasible? Does anyone...
  8. 8

    ALPHA 1 SHIFT SHAFT SEAL LEAKING........I think !

    I have been trying to locate a slow leak on my alpha 1 outdrive. (actually alpha 1 lower MC 1 upper). I could not find the leak with the upper and lower connected so I split them and did another pressure test on the lower. I found that the shift shaft seal leaks a lot if I push on the top of...
  9. 8

    Transom Repair 1979 Century 3000

    Re: Transom Repair 1979 Century 3000 I removed my fuel tank and found some more bad wood. The stringers to either side of the center 2 ft. seem solid. there is fiberglass tabbed 6 0r 7 inches up the side of the stringer that laps on to bare plywood between the stringers. There is foam about 2...
  10. 8

    Transom Repair 1979 Century 3000

    Re: Transom Repair 1979 Century 3000 Ok, I did some more cleaning off of the old transom plywood and took a couple of photos. I think I mispoke about the interior "gelcoat". First off, I know the gelcoat is the outer most layer with the color on it. My fiberglass transom is about 5/16 thick...
  11. 8

    Outdrive flunked pressure test

    1979 228 Mercruiser. Alpha 1 lower unit / MC1 upper. I replaced the water pump on my outdrive and re-assembled and did a pressure test. It leaks down to about 1 lb. over an hours time. I have done the soapy water test on the drain and vent plugs but not sure how to proceed. I did install...
  12. 8

    Transom Repair 1979 Century 3000

    Re: Transom Repair 1979 Century 3000 Well I have removed the deck and foam exposing the rear wall of the transom all the way to the fiberglass floor of the boat. I have a photo showing the transom area and then a diagram (sorry it looks like homework!) trying to explain what I found. I...
  13. 8

    Do I really need to tear all this out?

    I found some rotted stringers in the motor mount part of the stern. We tore out the fiberglass around the wood stringers to replace. On the port side of the transom, where the stringer ran into the transom wood, the transom wood is rotted. I took the transom plate off and found the wood...
  14. 8

    shift shaft alignment on out drive .....maybe this is obvious, but not to me!

    MC #1 1979 228 mercruiser. I understand the lower shift shaft has to be in forward from the manual. I understand the intermediate has to be in forward, which is described as "straight ahead" to line up with the upper shift shaft which is also straight ahead to be in forward. It seems the...
  15. 8

    Intermediate shift shaft bushing for MC 1 drive......cant find part number

    I cant seem to find the part number for this bushing. Can someone come up with it? 1979 228 Mercruiser. thanks in advance!
  16. 8

    Transom Repair 1979 Century 3000

    My stringers were showing rot when I tried mounting engine mounts, so we cut into the fiberglass and found really rotted stringers. Checking the lower transom shows some rot also. A repair guy says we should replace the transom wood. He proposes to cut the last few inches of the beams and...
  17. 8

    Outdrive Identification

    I have what I think is a MC#1 upper unit married to an Alpha 1 Lower unit. The upper has the loop on the top #5209992. The Lower Unit has a number inside the casing in a cavity next to the shift rod #1623-8950-0 (last digit tough to read.. could be 6 or G). The anti cavitation plates are...
  18. 8

    First Time Impeller/Pump Replace a few small issues....

    1979 228 Mercruiser MC-I drive. I have taken apart the upper from the lower units. I notice there was no pin in the top of the drive shaft, and I thought there would be. If I was running without it, how would it affect performance and/or wear on the drive? Also, the shift tube hanging from...
  19. 8

    Water in bilge area.....under the floor!

    I have been working on my 1979 Century 3000 bowrider for quite a while now. I have been rehabing the outdrive, put an engine together for re-power and am ready to put the engine back in the boat. I was drilling some holes for front motor mounts and found water! A litte background. Some years...
  20. 8

    This Doesn't Sound Good.....

    I have been working on my 1979 Century 3000 bowrider for quite a while now. I have been rehabing the outdrive, put an engine together for re-power and am ready to put the engine back in the boat. I was drilling some holes for front motor mounts and found water! A litte background. Some...
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