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Search: Posts Made By: NautiSouth
Showing results 1 to 25 of 134
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Forum: Do It Yourself, Boating on a Budget
04-18-2024, 06:45 PM
Replies: 12
Views: 1,359
Posted By NautiSouth

You're welcome to use the spring calculator. If...

You're welcome to use the spring calculator. If you'd like a professional opinion, I'm happy to look over your specific situation. Click the link below to schedule time with me.

Custom...
Forum: Do It Yourself, Boating on a Budget
04-13-2024, 02:36 PM
Replies: 12
Views: 1,359
Posted By NautiSouth

You're welcome! It took a long time to learn and...

You're welcome! It took a long time to learn and code that calculator!
Forum: General Q & A
03-15-2024, 05:34 AM
Replies: 18
Views: 792
Posted By NautiSouth

I've focused my attention the last couple months...

I've focused my attention the last couple months on making cam, valvetrain and valvespring selection easier.

allmondmarine.com/cams/ (https://allmondmarine.com/cams/)

The chart on this page is...
Forum: Do It Yourself, Boating on a Budget
03-02-2024, 10:13 PM
Replies: 12
Views: 1,359
Posted By NautiSouth

There's a calculator on this page that might...

There's a calculator on this page that might help:

http://allmondmarine.com/valvetrain-engineering-services/ (https://allmondmarine.com/valvetrain-engineering-services/)
Forum: General Q & A
03-02-2024, 11:56 AM
Replies: 175
Views: 13,017
Posted By NautiSouth

I'm referring to the lifter bore angles on the...

I'm referring to the lifter bore angles on the small blocks specifically. Going back to the "A" engine, made to complement the Plymouth Polyspherical head, the lifter bore angle was 57° from...
Forum: General Q & A
03-01-2024, 11:17 PM
Replies: 7
Views: 577
Posted By NautiSouth

Ignition is a digital system: it's either working...

Ignition is a digital system: it's either working for that cycle or it isn't. Once the fire is lit, it's lit. No amount of extra sparks is going to help a fire that's already burning.

Problems...
Forum: General Q & A
03-01-2024, 07:39 PM
Replies: 175
Views: 13,017
Posted By NautiSouth

In my opinion, the BBC valvetrain geometry is...

In my opinion, the BBC valvetrain geometry is decent - only a 4° cant angle, the exhaust lifter bores are angled 6.25° from the intakes to account for the different valve angles. Not too bad.
...
Forum: General Q & A
02-29-2024, 12:37 PM
Replies: 27
Views: 3,469
Posted By NautiSouth

If you'd like a ballpark idea of what the spring...

If you'd like a ballpark idea of what the spring requirements are, use the calculator halfway down this page:

Valvetrain Engineering Services - Allmond Marine...
Forum: Do It Yourself, Boating on a Budget
02-29-2024, 12:33 PM
Replies: 8
Views: 6,357
Posted By NautiSouth

If you'd like a ballpark idea of what the spring...

If you'd like a ballpark idea of what the spring requirements are, use the calculator halfway down this page:

Valvetrain Engineering Services - Allmond Marine...
Forum: General Q & A
02-02-2024, 09:29 AM
Replies: 31
Views: 8,896
Posted By NautiSouth

Said measurement data needs to be matched with...

Said measurement data needs to be matched with proper cam design software by a skilled engineer before it can be used to grind a cam in a CNC grinder. Even the best measurement data contains...
Forum: General Q & A
02-02-2024, 07:39 AM
Replies: 31
Views: 8,896
Posted By NautiSouth

What constitutes a "copy" of a profile could be...

What constitutes a "copy" of a profile could be debated. Profiles can match duration at two lifts and max lift, yet not be a copy. Maybe that's too much "Inside Baseball", but I wanted to point that...
Forum: General Boating Discussion
08-15-2023, 09:47 AM
Replies: 19
Views: 2,482
Posted By NautiSouth

I've unfortunately known multiple people who have...

I've unfortunately known multiple people who have had boat explosions, One of my friends lost his wife in such an accident.

Here's my protocol, feel free to critique me:

The blower is on on...
Forum: General Boating Discussion
02-07-2023, 07:26 PM
Replies: 15
Views: 6,955
Posted By NautiSouth

No, there are several people working on these,...

No, there are several people working on these, even if Mercury doesn't like that they are. Kaase and Boostpower are a couple I know of.
Forum: Scarab
04-29-2021, 11:41 AM
Replies: 1,596
Views: 703,216
Posted By NautiSouth

I thought the same thing! I was thinking, "holy...

I thought the same thing! I was thinking, "holy crap, this cat is putting filler around the welds on his trailer! Who does that?"

Great job hitting the details, man.
Forum: Mid Atlantic US
03-17-2021, 04:19 PM
Replies: 26
Views: 7,815
Posted By NautiSouth

I've got to say... I'm surprised to have seen...

I've got to say... I'm surprised to have seen this little excitement for an event that is offering to pay $25k for a world record run.
Forum: General Q & A
02-23-2021, 10:11 PM
Replies: 22
Views: 4,081
Posted By NautiSouth

This is an old thread, I know. There are few...

This is an old thread, I know. There are few Spintron experts around. If anyone is interested in doing any Spintron testing, I can help arrange that.
Forum: General Q & A
06-20-2020, 10:06 PM
Replies: 533
Views: 160,376
Posted By NautiSouth

Rich mixtures can help keep exhaust valves...

Rich mixtures can help keep exhaust valves cooler. I talk about this on allmondmarine.com/blog in the series on valves. Might be worth a read.
Forum: General Q & A
06-20-2020, 06:21 PM
Replies: 533
Views: 160,376
Posted By NautiSouth

AFRs look a lil fat. Maybe you're leaner off WOT.

AFRs look a lil fat. Maybe you're leaner off WOT.
Forum: General Boating Discussion
06-18-2020, 03:23 AM
Replies: 163
Views: 50,950
Posted By NautiSouth

I'm not feeling great that no admins from the...

I'm not feeling great that no admins from the forum have reached out to me on this. Makes me feel like they don't care about potential customers.
Forum: General Boating Discussion
06-16-2020, 05:46 AM
Replies: 163
Views: 50,950
Posted By NautiSouth

I'm a (new) performance marine business owner....

I'm a (new) performance marine business owner. Can OSO show me what value I would be getting with a commercial membership? Some things I'd like to see:
- OSO's forum membership grew by x.x% over...
Forum: General Boating Discussion
02-23-2020, 08:16 PM
Replies: 4
Views: 1,781
Posted By NautiSouth

Is there a future in Checkmate for stern drive...

Is there a future in Checkmate for stern drive powerboats? Will Checkmate be relegated to another performance center console company? Time will tell.
Forum: General Q & A
01-29-2020, 02:55 PM
Replies: 533
Views: 160,376
Posted By NautiSouth

There is much more at play than just the force on...

There is much more at play than just the force on the seat, but I'm sure you're aware of that. It sounds like you're well on your way at this point, but my offer still stands. PM me or email at...
Forum: General Q & A
11-18-2019, 06:26 PM
Replies: 533
Views: 160,376
Posted By NautiSouth

120lbs on the seat isn't necessarily bad, if the...

120lbs on the seat isn't necessarily bad, if the valvespring frequency is on point. NASCAR engines of years past ran springs with seated pressures within ten pounds of that. I actually think it's in...
Forum: Trucks, Trailers and Transportation
10-30-2019, 11:30 AM
Replies: 0
Views: 645
Posted By NautiSouth

Detroit to S. Florida

I'll be taking a trip in a 3500 Ram truck from SE Michigan to South Florida for Christmas. Leaving approx Dec. 20th.

On the 26th, I'll be going from S. Florida to Atlanta, GA.
On the 30th, I will...
Forum: Scarab
08-21-2019, 05:12 PM
Replies: 1,596
Views: 703,216
Posted By NautiSouth

I need an electric ram for my boat. Being an...

I need an electric ram for my boat. Being an engineer, I was just certain that I could find a ram that would work without paying the big $$ for one from the usual Marine sources.

​What I learned...
Showing results 1 to 25 of 134
 
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