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  1. Scott06

    Milky oil from oil cooler failure

    As mentioned just keep changing oil and filter get cheapest oil and you don't have to completely fill the oil pan just run it for a bit when it milks up keep changing it. When it gets clear or almost clear then get the engine under load to cook off any moisture
  2. Scott06

    Rear main seal 5.7

    GM supplied the base engine to Mercruiser (tinned longblock), so the rear main seal is not made by mercruiser its made by GM (or for GM by a parts supplier). Felpro is generally considered high quality stuff. Most likely it go buggered going around the engine stand. When you get the engine back...
  3. Scott06

    Swap mercruiser 5.0 for a 5.7

    yes zero issue keep the gen 2 drive and transom housing 5.7 should drop in
  4. Scott06

    Oil Pressure Sender failure modes?

    Well yes and no... I think the factory OP switch is tripped at 4 or 7 psi .... so at lower rpms yes it may save an engine but higher rpms ... if it was low level and you had 15 psi at 3k rpm not sure it would help We a grew up with older hardware that had no trim gauge, dog clutch drives...
  5. Scott06

    Oil Pressure Sender failure modes?

    yeah always watching OP and temp. Had an over heat last summer due to weeds on outdrive... had been towing my daughter skiing then picked her up took off through some weeds and it went from zero to alarm going off in an instant
  6. Scott06

    Oil Pressure Sender failure modes?

    you must be bored or out of beer... looks like the thing works now so leave it alone. Seriously though I converted my factory gauge on my 65 GTO (was 0-60 psi) bc my engine makes about 80 psi and gauge was always pegged above idle. I was able to find a 0-80 or 90 psi sender that had same ohm...
  7. Scott06

    No Trailer and Trim Up

    your description makes sense, but the switch being NO is opposite of way you would think it would work... would think its NC until bellhousing hits it ... I would just jumper it out so the trim up works all the time. keep it simple and if you pay attention driving it its no issue.
  8. Scott06

    Bravo 1 to Bravo 3 Conversion

    if 6 ppl plane out time was good you are probably in the ballpark. Will be lucky $$$ if you can run the same props.
  9. Scott06

    Main Jet size for carb 7043183?

    As Ad points out I have seen it for some carbs in the carb section of manual or some addendums, but not for anything that old. I think I saw one for high altitude jetting but again not for a 165 engine. if you can verify the size by getting a NOS jet may be best. if the plugs look good may...
  10. Scott06

    No Trailer and Trim Up

    Do you have a wiring diagram for your set up? I know the earlier ones are a bit more complicated... If i recall you have the three button switch where you have to press the upper two to get all the way up? I suspect what ever limits the trim up is bad as well as the switch you just jumpered...
  11. Scott06

    Main Jet size for carb 7043183?

    Sometimes you see them in the carb tune up specs in the factory manual but a quick search I cant find it either... How do the plugs look? these guys seem to have one NOS jet with PN AD listed for sale. Could buy it for less than $10 and cross check...
  12. Scott06

    Bravo 1 to Bravo 3 Conversion

    How did the WOT rpm land - are you good with props you have ?
  13. Scott06

    Found some rocks with my prop...

    If you got one you are happy with get another. prop MD in MN does mail order repairs if you want a spare
  14. Scott06

    Alpha1 Gen2 Oil Reservoir Missing?

    Some early ones did not have a lube bottle.
  15. Scott06

    salt water in single cylinder

    It will have a mercrusier serial number tag riveted by the starter Mercuriser buys gm base engines/ long block and builds them out so it is just a gm truck engine with minor tweaks
  16. Scott06

    salt water in single cylinder

    090M is for metric. For some reason they used metric fasteners on some of the 4.3 blocks... in true GM fashion only some of the threads are metric- starter bolts, flywheel cover, and front/side motor mounts. I bought about $40 worth of SAE bolts to convert when I did my repower. If you are...
  17. Scott06

    Cant start engine when opening throttle. Mercruiser 3.0

    yes you can jumper around the neutral safety switch , but remember its there for a reason. May be an issue with the controller and not the switch. I would look at the shift plate and see if it is going in gear despite pushing the button in.
  18. Scott06

    aluminum prop comparison

    Based on that feel I would go up 2" in pitch would probably get you there but you might loose holeshot and pulling ability some. you could also have cup added to your current prop
  19. Scott06

    Running temp for 3.0 tks mercruiser suntracker 27 ft pontoon?

    I would fatten up the idle mix a tad, and make sure idle speed is down. Was the old carb running rich ? if so maybe need to remove carbon from inside combustion chambers with sea foam or GM top engine cleaner
  20. Scott06

    aluminum prop comparison

    I think he still has throttle to go when he hits the limiter limiter is normally 5100 or so maybe a touch higher for MPI
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