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Search: Posts Made By: bobl
Showing results 1 to 25 of 500
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Forum: Do It Yourself, Boating on a Budget
11-09-2021, 09:32 PM
Replies: 52
Views: 11,750
Posted By bobl

You need to find someone with a propshaft dyno!...

You need to find someone with a propshaft dyno! Makes it easy to sort through issues like this. I have one but Texas is a bit far from you.

Bob
Forum: General Q & A
01-30-2020, 11:52 AM
Replies: 25
Views: 29,852
Posted By bobl

Must be really bored to revive this thread. But I...

Must be really bored to revive this thread. But I do have some more data I can share. Most dyno shops including myself use a "standard" correction factor for testing. OEM use an "SAE" correction...
Forum: General Q & A
09-14-2019, 12:43 AM
Replies: 63
Views: 40,325
Posted By bobl

Yeh, Bobby Carlson (son of Art Carlson of...

Yeh, Bobby Carlson (son of Art Carlson of Glastron Carlson fame)was the designer of the original boats and they were a very decent boat for the price. Not particularly fast but they did handle good....
Forum: General Q & A
09-13-2019, 11:37 PM
Replies: 63
Views: 40,325
Posted By bobl

I don’t get on here much anymore since I retired,...

I don’t get on here much anymore since I retired, but I saw this thread and thought I would share some hard earned experience. As many of you know I’ve spent a lot of time messing with Crownlines....
Forum: General Boating Discussion
03-05-2019, 01:08 AM
Replies: 23
Views: 6,113
Posted By bobl

I’ll share some of my thoughts on this subject. I...

I’ll share some of my thoughts on this subject. I owned a shop that did a lot of high performance work and engine building. I closed it a few years ago and retired. What I came to realize over the...
Forum: General Q & A
08-30-2018, 11:49 AM
Replies: 15
Views: 16,126
Posted By bobl

The most I've read on mine was 800HP at 6000 rpm....

The most I've read on mine was 800HP at 6000 rpm. The hard part is getting enough water to the engine to run under load,
Forum: General Q & A
08-29-2018, 10:13 PM
Replies: 15
Views: 16,126
Posted By bobl

Yep, I've still got it.

Yep, I've still got it.
Forum: General Q & A
05-09-2018, 07:51 PM
Replies: 17
Views: 2,328
Posted By bobl

Let me throw out a couple of thoughts. You are...

Let me throw out a couple of thoughts. You are reading the map sensor which reads the absolute KPA the intake is seeing. If the barometer changes, that number changes. You go up to high elevation and...
Forum: General Boating Discussion
03-17-2018, 06:43 PM
Replies: 7
Views: 836
Posted By bobl

I can help you out if you haven't found a...

I can help you out if you haven't found a connection yet. There's not a big markup, so it's hard to beat Jeg's prices by much. Give me a shout and let me know what you're looking for.

Bob
Forum: General Q & A
12-28-2017, 08:30 PM
Replies: 13
Views: 3,088
Posted By bobl

I built a 347 SBF for my Cobra replica using...

I built a 347 SBF for my Cobra replica using those AFR 195 heads. It made 516 HP at 6500 RPM and 460 ft. lbs. of torque at 5300 RPM. Running 8 stack IR EFI w/ Holley HP ecu, and a mild HR cam. I'm a...
Forum: General Q & A
11-09-2017, 11:20 AM
Replies: 13
Views: 2,623
Posted By bobl

I guess I should add the engine is 9.5:1...

I guess I should add the engine is 9.5:1 compression, 555 ci, Canfield heads, 246/256 .640ish cam on 114 LSA and Gil exhaust. It made 650 HP at 5900 RPM. I didn't build it, just tuned it. Seems to be...
Forum: General Q & A
11-09-2017, 11:09 AM
Replies: 13
Views: 2,623
Posted By bobl

Carburetor Video

While dynoing a 555 I decided to play with my GoPro and took a video down into the carb on a pull. Kinda cool. What I find a bit surprising is that it appears to be pulling fuel from the secondary...
Forum: General Q & A
10-24-2017, 10:56 PM
Replies: 81
Views: 8,183
Posted By bobl

My money is on the drive shower causing it. Maybe...

My money is on the drive shower causing it. Maybe when it was reinstalled it hangs down further than before. I've seen it numerous times. Something is definitely disrupting the water flow. It's not...
Forum: General Boating Discussion
10-16-2017, 06:57 PM
Replies: 5
Views: 1,604
Posted By bobl

I had a 35 Flame MCOB. Nordic made it out of a...

I had a 35 Flame MCOB. Nordic made it out of a closed bow by using the Heat bow insert. It turned out absolutely perfect. You still had a large cabin and just gave up the V berth area. This was a new...
Forum: Do It Yourself, Boating on a Budget
10-09-2017, 10:22 PM
Replies: 14
Views: 4,906
Posted By bobl

Volvo Penta marketed a 5.7 Votec TBI engine in...

Volvo Penta marketed a 5.7 Votec TBI engine in the late 90's that was rated at 320 HP. It used an aluminum 4 bbl intake with an adapter for the 2bbl tbi. It was the exact same GM long block as Merc...
Forum: General Q & A
08-09-2017, 09:52 PM
Replies: 14
Views: 2,626
Posted By bobl

If the tach just started jumping when the problem...

If the tach just started jumping when the problem occurred I'd be looking at the ignition system. I recently had a similar problem on a 502, that supposedly had all the components already replaced....
Forum: General Q & A
08-03-2017, 10:29 PM
Replies: 16
Views: 2,689
Posted By bobl

A couple of thoughts. Vortec heads run less...

A couple of thoughts. Vortec heads run less timing than early style heads. You probably had too much advance. Also, if it had flat top pistons the compression would have been raised to around 10:1,...
Forum: General Boating Discussion
07-13-2017, 11:19 PM
Replies: 3
Views: 807
Posted By bobl

I've got a 28' Nordic with ITS, going on 14 years...

I've got a 28' Nordic with ITS, going on 14 years old. I've gone through quite a few engines, from 600 to 950 HP. Never had a problem with the ITS, U joints and input shaft are original. I don't...
Forum: General Boating Discussion
06-06-2017, 08:57 PM
Replies: 10
Views: 2,305
Posted By bobl

What were we supposed to have done to it? Seems...

What were we supposed to have done to it? Seems like I remember doing some work on an older formula around that time, but I don't remember what we did. My records are no longer accessible. If you...
Forum: General Boating Discussion
06-05-2017, 09:09 PM
Replies: 10
Views: 2,305
Posted By bobl

I don't know why I never thought to mention this...

I don't know why I never thought to mention this before. I closed my business "Full Throttle Marine" a couple of years ago and retired. However, the young man that worked for me for over 10 years is...
Forum: General Boating Discussion
06-05-2017, 01:08 PM
Replies: 15
Views: 1,934
Posted By bobl

Most surveys are done to show the boat condition...

Most surveys are done to show the boat condition for valuation purposes, for the benefit of the insurance and finance companies They don't usually do a thorough mechanical inspection. Some surveyors...
Forum: General Q & A
05-31-2017, 11:17 AM
Replies: 59
Views: 16,964
Posted By bobl

The software will do it, but using a water brake...

The software will do it, but using a water brake I don't see how it could be very accurate. You would need a constant load such as a chassis dyno uses.
Forum: General Q & A
05-30-2017, 11:33 PM
Replies: 59
Views: 16,964
Posted By bobl

Here's my thoughts, for whatever they are worth....

Here's my thoughts, for whatever they are worth. I've dyno'd quite a few, including boatallyinsane's engine. I'm pretty sure the numbers don't lie. What I believe is the biggest problem with a...
Forum: General Q & A
04-30-2017, 08:42 PM
Replies: 56
Views: 8,588
Posted By bobl

I'm a bit skeptical that would be your problem....

I'm a bit skeptical that would be your problem. There are still far more holes than the area of the 3/4 inch pickup tube it's feeding. I guess it's possible the size of the holes could be...
Forum: General Q & A
04-25-2017, 11:08 AM
Replies: 12
Views: 1,689
Posted By bobl

Check out GGB mufflers too.

Check out GGB mufflers too.
Showing results 1 to 25 of 500
 
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