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  1. CamaroMan

    what trim hose spec for older mercruiser 260 with 3/8 line wrench?

    Hi - have a failed trim hose, bu not 100% sure what part number to order. Im eyeing Sierra 18-2108 as the replacement as mine also has 2 90 degree bends - but cannot confirm if the thread size is the same as mine- I have a few others laying around later alpha and bravo and they take a 7/16...
  2. CamaroMan

    bravo prop seal specs

    Hi - just removed 2 brown inner prop seals from a bravo - the replacement ones were smaller.. OD on the seals are about 1.843" - whats the difference between Seal 26-861694 and Seal 26-8M0033407? Is the 26-8M0033407 the same size/dimensions? thanks
  3. CamaroMan

    85 blackmax lean sneeze at idle - mid/top end is GREAT though

    Took boat out for a test.. set pri pickup at 10 degrees ATDC.. verified carbs all 100% closed at idle.. warmer it gets the worse it gets.. idles, sneezes - now and then it stall and fires up easy and sometimes struggles to restart.. At one point I felt the sneeze blow back thru air baffle...
  4. CamaroMan

    Need help analyzing these dva results - 1985 black max 200

    Sn is 628*** 200 black max, 1985 iirc- comp is fine on all 6, 120 across the board.. Intermittent spark across most cyls, but cyl 4 is awful, on and off, fluttering about- I double checked the kill switch (yellow/black wires removed made no difference) I also disconnected the reg/rect (no...
  5. CamaroMan

    Should (and how much) a 2 stroke smoke @ idle? 50:1

    Hi all - just curious, when tuning the idle mixture.. i was playing with a 87 50hp this week - i could get it to go from no smoke to a light blue hue to a little too much smoke.. whats best? Do you tune it from rich in to just where the blue smoke goes away? I saw another 50hp with no smoke and...
  6. CamaroMan

    MERCARB 2 barrel fuel inlet thread size

    Hi all - can someone confirm the thread size for the 97-2001 2 barrel mercarb? Have a carb without a fitting and need to get the thread for a steel nut - thanks confirmed 7/8-20 is for a 2g/rochester - this one seems the same with finer threads - maybe metric or 7/8-? (next fine pitch is?)
  7. CamaroMan

    water pump not sucking up water - going nuts!

    howdy all - go an 87 bayliner here.. new water pump, impeller, wear plate.. thought all was good till i get to the water (no pressure from hose).. just zero water getting pushed up from the impeller.. When I had it on the muffs full blast the water would come up to the top hose by the t-stat...
  8. CamaroMan

    Bravo 3 yoke part numbers confusing - do all bravos use the same yoke part #s?

    Hi all - I have a bravo 3 (s/n: OM157405) and the input yoke and universal yokes need replacing. The bearings that fit are sierra18-6406 (outside clips). However when i search the diagrams the bearing part numbers are different (18-2174) - I am using the link here for reference...
  9. CamaroMan

    mercruiser 260 - converted to center risers.. upper exhaust hot, lower cool

    Hi guys - I recently dropped a merc 260 into our fishing boat and had a few spare center style risers. I plumber the check ball hoses to the front facing and the other 2 hoses to the bottoms of the risers. The upper half of the exhaust where it exits the riser gets super hot but the lowe rhalf...
  10. CamaroMan

    Replace 80s primex 3 port inboard muffler -

    1984 with a v6 GM.. The muffler has 2 3" inputs from either side one inline and another 90 degrees, and a 4" existing straight out back.. Cant seem to find anything online - Shaped like this: (fwd) 3" = [--muffler body--] =>> 4" (out aft) 3" Is it possible to have this...
  11. CamaroMan

    Will a 120 coupler handle a 260 power?

    I have a good coupler from a 120, and put together a 260, new replacements cover all models, but the one I have off the 120 is a little smaller physically than the worn one from the 260.. it will bolt up but wondering if the earlier couplers handle the power..
  12. CamaroMan

    coupler - Sierra 18-2171 same replacement from 120 to 260??

    This is listed as the replacement for both the 120hp thru 260 - I have a coupler from a 140 and a worn 260 coupler (pointy splines) - the 260 seems alot beefier - how is one size fits all? Will the 140 one hold up to the power from 260?
  13. CamaroMan

    how to test for cracked block - merc 3.0 LX

    Hi all - put this motor together - motor mixed water with oil after running first few minutes - long story, but how does one check whether a manifold or block is cracked? I have the dye spray cans. What are common crack areas for the 3.0 block and manifold and head?? What do these pics tell...
  14. CamaroMan

    merc 140 (pre 1990) flat top piston options

    Hi all - doing a rebuild on a 140 - the bore is identical to a chevy 350 and side by side I can hardly tell the difference - any thoughts on adding some static compression to these? Also- if the pvc is ok since im considering a 4" chevy piston (same pin height as stock) and balancing the motor...
  15. CamaroMan

    84 twin 229 3.8L - DOG! cant see this thing ever planing out?? Underpowered?

    hi - its a crusader.. i looked in the manual and the starboard motor shows firing order of 1-2-3-4-5-6 for RH engines (the starter rotates it opposite of a regular motor so timing is from the opposite side as regular.. its a GM imala motor 229 / 3.8L.. just really surprised at the lack of power...
  16. CamaroMan

    84 twin 229 3.8L - DOG! cant see this thing ever planing out?? Underpowered?

    Finished an install of a starboard motor we rebuilt on a 1985 crusader .. it has 2 229ci 3.7L engines with quadrajets. Took it out today and the boat was a real dog. Admittedly we run a 21ft Searay with a single V8 and do perfectly fine.. First time on something like this - attached is a pic of...
  17. CamaroMan

    DIY conversion to closed cooling- difference in Tstat housing?

    Im busy looking into a closed cooling conversion for our motor im putting into our latest boat (79 searay).. Closed cooling will allow me to run a vortec block and alu intake without having to fork out $350 bucks for the iron marine version (open/raw cooling).. Well thats my login anyway. Can...
  18. CamaroMan

    What Rinda diacom cable needed for this Indmar model? mefi4 or 5?

    Hi- need to know what cable I need for this model? MEFI4 or 5? I wd think 4but it has the silver ECM with 3 plugs attached- 7INDM05.7CAT 5.7L MODEL: 057676 ENGINE: 129399 MFG DATE: 06/28/2006
  19. CamaroMan

    Nee dhelp with morse shift cable - Volvo AQ231a

    Hi all -- need to replace 2 shift cables (same numbers at helm) - 301947-003-0276 0 22982. Are these 27ft cables? Boat is a twin 350 AQ231a duo prop - cables are red morse if that helps.. cant figure out if these are 22ft or 27ft (the boat is about 26ft long) - so possibly 22ft? cant find an...
  20. CamaroMan

    Bravo 3 prop shaft seal tools question

    Hi - gotta change the prop seals on bravo 3.. Seeing 3 bearing carrier tools, 91-805374: Installs and removes the bearing carrier on the Blackhawk drive units. Also, use with 91-805382T Bearing Retaining Tool to remove propeller shaft retainer nut in the Bravo Three drive units. 91-805374-1...
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