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Bottom Mapping replied to the thread 7.4 GS (1998) DP Idle Fluctuation, Specific RPM range.

Thanks for looking. Will be a while before I get Diacom or other diagnostic tool, but it's an ambition. The fluctuation has been a...

Nov 11, 2025
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Bottom Mapping replied to the thread Considering a 22-25ft cabin cruiser. thoughts?.

Straight tracking with both engines running, but you could feel the drag that induced a slow turn while trolling with one engine off, in...

Nov 8, 2025
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Bottom Mapping replied to the thread Considering a 22-25ft cabin cruiser. thoughts?.

We had a 1986 Sundancer 268 with twin V-6 alpha drives. Bought in 2002, so 16 or so years of age. Had been carefully maintained and...

Nov 8, 2025
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Bottom Mapping replied to the thread 7.4 GS (1998) DP Idle Fluctuation, Specific RPM range.

I'd never looked for the engine serial number before. There's no way I'm getting back to the block stamp, but the decal on the...
Nov 1, 2025
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Bottom Mapping replied to the thread 7.4 GS (1998) DP Idle Fluctuation, Specific RPM range.

Thanks. I have a ways to go prior to jumping into marine OBD. Any suggestions for a stand-alone tool or something IOS-friendly?

Oct 30, 2025
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Bottom Mapping posted the thread 7.4 GS (1998) DP Idle Fluctuation, Specific RPM range in Volvo Penta I/O & Inboard Gas Engines & Outdrives.

Engine in title, my 1st ever MPI powerplant. Love it overall, but now in my third season with it, there is an annoying ~300 RPM...

Oct 28, 2025
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Bottom Mapping replied to the thread Cruiser comparison.

Nice summation. Seems I've been fortunate so far. I also lucked out in getting a highly maintained, low hour 25 year-old boat. Guess...

Oct 23, 2025
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Bottom Mapping replied to the thread Cruiser comparison.

I'm three seasons into my first V-P, which is a 1998. Zero repairs, just self maintained with fluids, lube and filters. Shop that...

Oct 21, 2025
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Bottom Mapping replied to the thread How can I make my Tracker 40 HP faster?.

Had this same boat, got it from my dad. These things are tanks! I never weighed it, but four guys stranded by a descending tide could...

Oct 20, 2025
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Bottom Mapping replied to the thread Tongue Jack Failing.

Indeed, D-L did not come up on my radar. They appear to be quality products. I'll look into mating one to my mounting plate - hoping...

Oct 18, 2025
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Bottom Mapping replied to the thread Tongue Jack Failing.

Probably the direction I'm heading. On another note, I was intrigued by your Cruisers 2420, and I stumbled on the threads from when you...

Oct 18, 2025
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Bottom Mapping replied to the thread Tongue Jack Failing.

Four Winns actually welded on a stand-off mounting plate that I'd prefer to utilize - I have no metal skills. In my experience, the...

Oct 18, 2025
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Bottom Mapping replied to the thread Tongue Jack Failing.

Just Atwood and the standard "don't kill yourself" legalese on the gear cover is all I can see.

Oct 18, 2025
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Bottom Mapping replied to the thread Tongue Jack Failing.

Except I'm stuck with the mounting situation - not wanting to alter that. Might you know of a jack that would bolt up in the same spot?

Oct 18, 2025
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Bottom Mapping replied to the thread Tongue Jack Failing.

So far I have found these two gear kits. Their textual description sort of implies they might be universal, but it's uncertain: 1)...

Oct 17, 2025

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