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  1. CamaroMan

    Another upper gear case seals question -

    Hi all - sorry to ask a seemingly basic question but cant get a good idea from the merc manual on what exactly to do - Got a kit and helped some1 install new seals - we couldnt exactly figure out what direction they go - When we took it apart there were 2 seals in the upper drive that we...
  2. CamaroMan

    another stuck motor- omc 4.3 1990

    Trying to free a motor thats stuck. Pumped a cocktail of Atf/Acetone 50/50 into cylinders yesterday. Removed crank pulley and will try fab up a bar to screw into damper - whats the possibility something in the back it that stuck? If i could move the prop a hair in gear wd that eliminate an...
  3. CamaroMan

    good all round volvo/chrysler workshop manual for gas i/o boats?

    Hi there, im slowly familiarizing myself with various boat engine and more familiar with the mercruisers. Some boats have volvo with whacky looking parts - what models are most popular say form 80-96? Pre efi old school points etc.. lots of manuals online but not sure what the most popular...
  4. CamaroMan

    replace merc shift link roller pin on int shaft?

    Hi guys, has anyone ever replaced these? Its the roller that goes intot he lower cable slot for shifting, I had to heat up mine to remove the set screw and the roller thingy overheated and dropped off - trying to decide whether to fab up something with ss bolts and a bushing and put a nylon...
  5. CamaroMan

    rattling noise coming from merc 120 - flywheel bolts?

    helped a friend get his 120 going, theres a rattling sounds coming from the bottom rear of the motor - it comes in around 1500 till 2500, nothing at idle or higher, sometimes it shows up for a second or 2 outside the rpm ranges. Ive read guys have had this with flywheel bolts coming loose - Do...
  6. CamaroMan

    can I remove these small outdrive rams? are they older mech trim/tilt?

    Hi there, working on a 67 (mr?) outdrive and there is a lock switch on the port side with a H looking bracket that supposedly "locks" the outdrive, is this necessary? and can/should I removed it? Just more bits and pieces in the way, plus there are 2 small rams that dont seem to do much either...
  7. CamaroMan

    Gimbal bearing - no grease hole in CARRIER? pre alpha

    Hi all - hoping not to ask a dumb question here but i cant seem to find a grease hole in the carrier. I aligned the bearing with the cutout in the ribbed ring, only place i could find a hole was at 12 oclock - nothing like the hole in the pic from mercstuff - ? Last pic is the completed...
  8. CamaroMan

    lower shift cable - new style / old style confused

    Ordered new cable last week, the old style goes from the front and new from the rear. Im waiting for a 1/4-18 npsf tap but the brass nut seems WAY bigger than a 1/4, more like 5/8 or 1/2" npt - Can someone shed light? Im tapping the gear housing metal right? Only 1/4 thread i could see was the...
  9. CamaroMan

    DIY lower unit oil fill pressure tester - $5

    So was scrounging around to make a 3/8-16 threaded tool to pressure test the merc lower units.. while browsing around autozone I came across a duralast brass battery terminal bolt - Part Number: DL01053 It has rhe 3/8 thread. I drilled it thru, cut it in half and stripped a tire valve and...
  10. CamaroMan

    1965 gm 120 mercruiser overheating

    Hi there, got a buddies gm120 going today, rebuilt the carb and it was idling instantly with a cold engine - very happy. after 2 mins on the muffs the temps were really high and we cut it. I noticed water was running from the gimble housing which i think indicates the impeller is working (dont...
  11. CamaroMan

    85 larson boats: boat build quality?

    Hi all - im looking at a mid 80s larson with a GM IO 260 model closed cooling (great for the ocean!), curious as to the quality of these boats? Currently running a 74 searay 22ft cabin cruiser - as many say these are well built boats im curious if anyone has knowledge of the larson build...
  12. CamaroMan

    mercruiser ford 351w circulating pump leak - cheap fix

    circulating pump - leaking weep hole. Replace seal/bearing myself? Hi there - i noticed my circulating pump is leaking quite a bit from weep hole. I presume this is not normal? I have quite a bit of salt on front of oil pan after a hard run. Also some crystals around water pump seal (i replaced...
  13. CamaroMan

    Brand new exide dual purpose deep cycle/starting - Not charging past 12.9v?

    Hi all - bought a brand new exide 3 days ago - month stamped on it says manufactured last month - I left it on a 4 stage charger overnight and it charged up to 12.96 (measured after removing charger). After letting it sit overnight it "cooled" down to 12.85v - is this possibly an indication...
  14. CamaroMan

    Need help with coil wiring and slave solenoid - diode to starter wire/coil +?

    So I replaced my original strter with a PMGR unit, and ran the batt cable straight to the starter bypassing the slave solenoid - since these are prone to failing im not too phased. Also - the PO had 2 wires connected to the coil +, one is tach and another is prob the power. I have the positive...
  15. CamaroMan

    adjust helm steering? - play on 74 mercruiser

    Hi there. SO had my 74 searay 220 out last weekend for the first time. Apart from the boat "biting" twice quite sharply (ok it was a bit rough) - I also noticed a bit of play on the steering. After doing some research - I found the mod had been done (2 side holes). I removed the plastic plugs...
  16. CamaroMan

    1976 searay shift control setup - this shd work right? hard shifting in/out of gear

    Hi all - Replaced impeller with quicksilver kit yesterday, i made sure the drive was in fwd gear. Anyway - it tested fine with motor not running. My method was such: Remove control cable from the bracket on engine. Wife rotates prop counter clockwise as i push lower cable by hand towards FWD...
  17. CamaroMan

    milky water - what to check? 76 351w

    Hi all - so since running our "new" baot a few heat cycles the past 3 weeks.. noticed today oil is a bit milky.. not completely peanut butter but like its half way there.. Did a comp test today: 1=145 2=143 3=145 4=139 5=150 6=134 7=155 8=148 Ill try pressure test the risers and manifolds...
  18. CamaroMan

    1976 ford 351w to roller conversion & gt40p heads fitment

    Hi - sorry to dig up something thats all over the net - but im lookin at collecting parts to upgrade the block to roller sometime. firstly what are my options to convert to roller on this block? I dont want to use a small base circle cam and want to save $$ - Option 1: Lifters from a 5.0 +...
  19. CamaroMan

    Inboard 351w ignition upgrade options - 77 sea ray

    Hi all - so bought a nice looking searay yesterday witha 351w.. looking at several ignition upgrade options - something thats reliable and simple.. there are some nascar approved msd boxes and coils - 6aln i believe, also the duraspark upgrade and pf course pertronix.. Any ideas what will be...
  20. CamaroMan

    lower crank seal symptoms - is mine gone?

    So i have been troubleshooting my motor for a while now (on and off) - still running bad.. and in the process i think i destroyed a good stator! So she starts / idles very easily.. ive set the tiuming and have spark on all 3 (each time i pull a plug wire the motor runs worse) on each of them)...
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