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  1. 8

    Confusing Torque Values for # 1 outdrive Bell Housing Hinge Pins

    I have read different torque values for the hinge pins on the bell housing for early pre-Alpha drives. I have seen 55ft-lb and 95ft-lb. I have a 1979 228 Mercruiser set up. The serial number on the back of the outdrive is gone. I am pretty sure it is a #1 drive Have the earlier recco...
  2. 8

    Gimbal Rings turns more Left than Right 1979 228 Mercruiser Pre-Alpha

    Sorry for the long post. I have been trying to figure out why my boat steers way more to the left than right. The outdrive is off, bell housing off, engine out. I disconnected the steering lever andfound the gimbal ring would turn more to the left than to the right. Even so, the steering...
  3. 8

    Diagram with labels of Steering Components on Trasom Plate

    1979; 228 mercruiser pre-alpa drive. I am trying to find a diagram with labels, for the inside transom plate showing the Power Steering Components. It is difficult to follow the manual test procedures without knowing which parts are called what. thanks, Ed
  4. 8

    power trim lines from connector block to trim cylinders

    1979 228 Mercruiser pre alpha. I have the old style trim cylinders that the two holes close to each other on each cylinder. Does someone have a diagram of the routing of the lines to the cylinders? thanks
  5. 8

    I need to know the timing setting for my engine

    I have a 1998 5.7 vortec longblock build using a 1995 Thunderbolt IV ignition, Edelbrock 1409 carb with a cast iron high rise manifold. I have got the engine running by setting the timing by seat of my pants, it sounds pretty good. I would like to set the actual timing and don't know the...
  6. 8

    Fuel filter location

    I have a new Edelbrock 1409 carb on my 5.7 vortec longblock build. My old rochester carb had a small filter built into the carb at the fuel inlet. The Edelbrock has none. I do have a fuel filter/separator canister installed. Is this enough filtering? or should I install an inline filter...
  7. 8

    Trim Hose replacement on the inside of the boat.........How to get to them?

    1979 228 Mercruiser pre-alpha I am trying to fiugure out how to change the trim hoses that go down to the bottom of the transom plate, beneath the exhaust. Do they penetrate the transom, or they connect down under the plate area? It is hard to see down there and I am not sure how to get a hold...
  8. 8

    Exhaust Shutters 1979 pre-alpha drive

    I am installing new exhaust shutters on my y-pipe separator junction. Does it matter which orientation the shutters are installed ie. pivot verticle, pivot horizontal etc. ? Ed
  9. 8

    O ring sealant ?

    i am re-assembling my exhaust pipes for my 1979 pre-alpha project. The surface on the exaust pipe side that is flat, in is good, but not perfect. I would like to know if there is something I could coat the o rings with that would help insure a good seal? thanks
  10. 8

    5.7 mercruiser bench test starboard riser hotter than port

    I am running my fresh 5.7 longblock set up on the engine stand. It is a mercruiser 1995 setup using centerrise manifolds, thermostat housing, etc. all is well but for two issues: 1) I see the starboard side of engine water flow out the exhaust is less than port, the riser on the starboard is...
  11. 8

    Trim sender wires broken off

    1979 pre-alpha drive with trim sensors. starboard side of trim sensor has wires broken off right at the casing. under the little cover, I see two plastic pieces that the wires came out of, but no way to re-attach the wires. Is this just an automatic replacement? do new trim sensors have wire...
  12. 8

    Did I get my gimbal bearing in all the way?

    1979 228 Mercruiser with R drive. I am doing some transom repair and just installed my gimbal bearing and retainer ring. The outer edge of the retainer ring is flush with the inside edge of the housing, about 3/8 " deeper than the outside housing rim (where the bellows will attach). Does this...
  13. 8

    Alpha bell housing help please

    I am replacing the shift rod bushings on my pre alpha bell housing.... does the lower bushing go in far enough to be flush with the top? or flush with the bottom and protrude out the top a bit? thanks Ed
  14. 8

    Engine stalls turning left at idle.

    My boat stalls, or nearly stalls when I turn the steering wheel full left. While at low engine idle, when turning left just before you reach the limit of turning range, you can hear the engine start to labor, then stall. It has done this for a couple of years. I have learned to back off full...
  15. 8

    Pre-Alpha Transom Rehab.......what order should the steps be done?

    I have a 1979 Mercruiser 228 transom assembly with an R drive I believe. I am putting a repower engine in the boat, and I am rehabing all the bellows, gimbal bearing, etc. Specifically: I am replacing the gimbal bearing and ring, u joint bellows, shift cable, shift cable bellows, exhaust...
  16. 8

    fuel pump water separator and carb question

    I have a 350 engine with a mechanical fuel pump from a 1995 350 mag alpha setup. There is a hose nipple on the fuel pump. My older 1979 had no such hose nipple. The old version had a sight glass with a stamped note in it saying "if gas appears in this bowl, replace the fuel pump". Now, on my...
  17. 8

    1998 5.7 Vortec OMC Engine specs

    I have purchased a longblock that was originally intended for an OMC application. I have narrowed the model to a 1998 OMC 572BPBYC. Does anyone have access to tune-up specs, and RPM range for this engine? I think the recco. spark plugs are Champion RS12YC. Can anyone confirm this? thanks, Ed
  18. 8

    spark plugs and tuning specs for new long block install

    I bought a 5.7 longblock with 10243880 block stamp and engine code V07267MH (stamped on front of engine where circ. pump bolts on). I am trying to get spark plug type, gap, timing info. and rpm range data. can anyone help? thanks Ed
  19. 8

    Metric oil drain plug on gm longblock?

    i bought a remote oil drain hose for my 350 engine (in process of assembling from a recent purchase longblock). I put a 9/16 socket on the oil pan drain plug and it was too small. 5/8 too big......15mm just right. why are metric bolts on a gm engine? anyone know the thread size to order for...
  20. 8

    Carb selection for repower project

    I am putting a 5.7L vortec in my old 1979 Century 3000. The intake manifold is a spreadbore cast iron manifold sold by Michigan Motorz. I have an old Rochester Quadrajet, but needs an electric choke conversion. This seems simple, but in truth, I had so much trouble last season with my old...
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