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I pressure and vac test every year. Making a tool to do it is pretty simple: http://forums.iboats.com/mercruiser-i-o-inboard-engines-outdrives/drive-pressure-check-prior-post-233546.html#post1573303

The boys have given you great info, here's our setup FWIW: Position 1: House bank of 2X Trojan 6V Position 2: 12V Deep cycle marine as starter Both: Obvious Off: 12V circuit is off. I run in position (both) when underway - my house bank (P1) does not charge off the alt if I have the...

Before you get too far into slinging parts, look at fuel delivery as mentioned, mechanical linkage at the carb is sound, plugs/cap/rotor/wires in good shape, etc. Could be as simple as a stuck flapper. The basics first, then go for the fun stuff. The Holley is a good carb of course - but it's...

It's buying the 64 spark plugs that will kill ya.

FWIW, Here are some CMYK Conversions: 5395 Pantone Bridge: Cyan 100 Magenta 71 Yellow 39 Black 90 5395 Illustrator Build: C88.83 M72.98 Y55.87 K67.43 1655 Pantone Bridge: C0 M73 Y100 K00 1655 Illustrator Build: C0 M84.24 Y100 K0 Either color should be a pretty easy hit on a modern large...

You likely will not be able to hit specific PMS colors with the stock vinyl substrates. You're probably looking at inkjet & laminate - they've gotten pretty good in terms of durability & colorfast. A good local shop that's willing to proof out your colors as small swatches before going full -...

Great news! With regard to his explanation, six in one hand/half dozen in the other. If the nut was tired, it would have turned easily on the stud when he assembled it. His responsibility either way. (However, I'm not buying it either. I'd suggest he was interrupted while he was adjusting...

If it makes anyone feel any better, we're in nearly 3K this winter with a repower/upgrade, new upper unit, and small fortune in misc nuts & bolts.

If this was me, and given the result, I'd really prefer the intake manifold be pulled and the lifters inspected - I believe they are joined with a keeper and spider cage on this engine - a renegade pushrod may have allowed them to rise too high and escape. A peek at the camshaft may be...

What is the diameter, pitch and material of the prop you're running currently? Not sure if you'll do better on this boat than the 16 x 16 3-blade elephant ear aluminium - but like you I'd like to hear some first-hand reports of others.

Congrats on the boat and welcome! We're moored at Jantzen bay, spend most of our time between Gov't Island and St. Helens. Our overnights are usually in the Multnomah channel or Bachelor Island areas. Careful if you're out on the water this time of year - it's pretty low & lotsa rocks!

It's time. The upper bearings are rough, corrosion is taking it's toll. I don't have the enthusiasm to rebuild the drive while I'm doing the motor, lol. It's over 25 years old. I have enough tools. So I'm thinking of just doing a swap. Has anybody been running an SEI drive for a few...

...and one more welcome from the balmy Southwest Washington. It's snowing. Feh.

Vandal - not meaning to hijack here, but did you use the triangular style coupler and modify the bellhousing? Or did you use the conversion coupler that attaches with the flywheel bolts?

A thorough inspection of you cooling system components first, then: Do you know the age of the manifolds and elbows? I think I'd lean towards an inspection there first. I'm not sure off the top of my head when the changeover to dryjoint happened, but if they're the old style and in salt, I'd...

MC - I've got a very small rotary cut-off tool that may get you in to snip away at the galvanized pieces. Let me know if you'd like to borrow it.

Give up on what? Not too sure you had any real input, other than a regurgitation of common facts - which were only marginally relevant - and could have been handled with a simple link, other than going all "big post". Am I snarky? Absolutely. But being someone who has been around since the...

That's your shower sump, Michael. The drain from the head floor drains there, and it'll pick up water elsewhere towards the bow. Clean it a couple times a year, particularly if Amber is using a lot of soap in the shower. Get the float switch working, you're good to go. Your head & galley...

Absolutely +1 Jim. A misfiring plug is not going to cause a lean condition - but a lean condition could (will) cause a misfiring plug & of course detonation. Also, at $200 a hole, you could put some decent forged pistons in there - and buy a bit of insurance....but as Jim suggested, there has...

Has anyone looked for a wiped cam lobe yet? Hate to be pessimistic - but it's the first thing I'd check given the trail of broken parts there (lifter, pushrod, rocker out of position). I'd like to see a photo of the bottom of that lifter, and a shot down the bore the lifter came out of.