The main lake we go it is at 892' lol.
CK5
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1997 Bayliner Capri SS 2350 454ci- Floor done, now to bust out that other thousand…
- Thread starter GWeakland620
- Start date
And you change 10 feet in elevation getting there.
Absolutely. Power reduced at altitude, meaning you can spin less prop. I'm at 6200ft and running a 23p, planning to run a 27 at sea level.
can I have the cliff notes, what's the issue? and no, there is no synching.... just grease the splines and make sure not to forget the thrust washer... I actually own the socket for the inners...
LOTS of back and forth on bravo prop timing. Doesn't sound like it makes a big difference, but can't hurt...
http://www.clubsearay.com/index.php?threads/bravo-iii-prop-timing.4141/
just some immediate thoughts for you.... plug readings usually tell the story if there's a mill issue, so be checking them often.... make certain you aren't swinging a dead hole.... fresh plug readings will tell you pretty quick.. but you can also set up some slip pliers with a grd wire and pull cap wires while under load to verify.. it'll show quick with Thunderbolt and a carb.... unlike EFI stuff...
another we'll do to eliminate the carb is to take a small squeeze bottle of fuel on a test run, when shes got no more, give her a little squirt and see if it picks up a bit... usually if you are swinging too big a blade, you can almost feel it, the motor will sound smooth and perfect, it just "don't wanna go no more".. we generally cheat and steal another prop from another boat to verify.
and make sure your trimming the boat out good, you can lose 500 rpms from that alone....
but we often get boats that are improperly propped at some point... but they are usually inboards..
oh, also... most carbed BB's we come across generally spin 43 to maybe 45, 46 if you are lucky... MPFI stuff is where you see 4600 to 5200 type #'s...
another we'll do to eliminate the carb is to take a small squeeze bottle of fuel on a test run, when shes got no more, give her a little squirt and see if it picks up a bit... usually if you are swinging too big a blade, you can almost feel it, the motor will sound smooth and perfect, it just "don't wanna go no more".. we generally cheat and steal another prop from another boat to verify.
and make sure your trimming the boat out good, you can lose 500 rpms from that alone....but we often get boats that are improperly propped at some point... but they are usually inboards..
oh, also... most carbed BB's we come across generally spin 43 to maybe 45, 46 if you are lucky... MPFI stuff is where you see 4600 to 5200 type #'s...
I'll add this....
That's not even super charged WTF
one of the amusing things we get often is a "new boat to us" comes in, wants a bit of work, maybe a tune-up, whatever.. take it out for a test run to find out it's WAY overwheeled and only spinning like 3600, 3800.. like I said, these usually aren't stern drives, but we get them every now and then too... and they reply with a "oh, i just baby it and run like 2400" that's good enough for me.. not realizing how bad they're hurting the motor by having it lug... doesn't matter what your running it at, it's lugging thru the whole range... they need to be able to get to at least the low # of recommended RPM's...
When I first pulled the plugs, a few of them were pretty black. I threw them back in for a test run, and they actually cleaned up a bit during that test run. I do have a fresh set of plugs in, so i'll do a test run and pull the plugs to see what they look like.just some immediate thoughts for you.... plug readings usually tell the story if there's a mill issue, so be checking them often.... make certain you aren't swinging a dead hole.... fresh plug readings will tell you pretty quick.. but you can also set up some slip pliers with a grd wire and pull cap wires while under load to verify.. it'll show quick with Thunderbolt and a carb.... unlike EFI stuff...
another we'll do to eliminate the carb is to take a small squeeze bottle of fuel on a test run, when shes got no more, give her a little squirt and see if it picks up a bit... usually if you are swinging too big a blade, you can almost feel it, the motor will sound smooth and perfect, it just "don't wanna go no more".. we generally cheat and steal another prop from another boat to verify.
but we often get boats that are improperly propped at some point... but they are usually inboards..
oh, also... most carbed BB's we come across generally spin 43 to maybe 45, 46 if you are lucky... MPFI stuff is where you see 4600 to 5200 type #'s...
I never thought of the bottle of gas trick. That's a surefire way to see if it's a fuel issue at the top end. I'll try that tomorrow.
As for trim, I am always messing with it. Trying to squeeze every rpm out of it I can, just before it starts bouncing too much.
Nah, it would get an 8.1 with motor work before I went that route lol.
Boats are a hole in the water you throw money into.
yeah I know BOAT, Break Out Another Thousand. Have a lake boat.
edit: I My Suburban thinks it's a boat too
edit: I My Suburban thinks it's a boat too
you're running MR43T 's in that right? plugs are cheap diagnostics, especially those.. be grateful your not running 993's like the 496's at like $18 a plug....
one of the first things I generally do, gives me a fresh slate to see what's going on...
one of the first things I generally do, gives me a fresh slate to see what's going on...
Correct MR43T'syou're running MR43T 's in that right? plugs are cheap diagnostics, especially those.. be grateful your not running 993's like the 496's at like $18 a plug....
one of the first things I generally do, gives me a fresh slate to see what's going on...
only IMO.... NGK's run ok, but don't hold up as well... good luck...
my yr has been nuts... 2 head jobs and 4 repowers in the last 6 wks.. everybody blowing chit up.....
oh, throw in 2 exhaust jobs and an oil pan..... 
* Ryoken marine tip O' the Day *
don't ever buy something with raw cooled 6.2 mercs....... man, I hate that motor...
That's hilarious, my buddy just asked me about those engines today. I told him I don't know much about them lol. Now I do!only IMO.... NGK's run ok, but don't hold up as well... good luck...
my yr has been nuts... 2 head jobs and 4 repowers in the last 6 wks.. everybody blowing chit up.....
* Ryoken marine tip O' the Day *
don't ever buy something with raw cooled 6.2 mercs....... man, I hate that motor...
they make good power.... they are usually only a 6 month warranty cuz of the HP designation...
i just don't like the architecture, they sound like rattley POS's to me..
I'll take the 496's all day long... but the worst part about em is the lousy oiling... they run no oil cooler, so the oil gets piss thin... did one last week in a 33 Dancer.. I had done it 10 yrs ago, it was a Jasper.. ingested water from exhaust neglect...... 45 on start up, come back from the test run 25... brand new mill.. it's normal, they all do it..... I've seen em running around with 20 cold and 10 hot.. merc says as long as they have 8 lbs, you're good...
fug that, as an old gearhead, I see #'s that low, I get nervous. 
Stop messing around
https://www.instagram.com/p/CD2Jj9BhPJW/?igshid=1gcjhnu8w0z0c
https://www.instagram.com/p/CD2Jj9BhPJW/?igshid=1gcjhnu8w0z0c
