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Search: Posts Made By: rrrwel
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Forum: General Q & A
02-17-2011, 09:19 PM
Replies: 9
Views: 841
Posted By rrrwel

I agree it takes about .5 lbs of fuel per hp. But...

I agree it takes about .5 lbs of fuel per hp. But you can rev the engine at the dock to 3500 rpms and burn a lot less fuel than running the boat on the water with full tanks and load of people at...
Forum: General Q & A
02-17-2011, 05:36 PM
Replies: 9
Views: 841
Posted By rrrwel

Now that does make sense. That would certainly...

Now that does make sense. That would certainly account for the higher fuel burn number.

The BSFC is .47 - about 341 hp at 3500.
Forum: General Q & A
02-16-2011, 06:59 PM
Replies: 9
Views: 841
Posted By rrrwel

Dyno report question regarding Fuel-A

I have a question regarding the Fuel-A (lbs/hr) listed on a dyno report. From what I understand this number reflects the pounds of fuel burned per hour at the specified rpm. The numbers seem high to...
Forum: Do It Yourself, Boating on a Budget
02-15-2011, 05:34 PM
Replies: 13
Views: 3,783
Posted By rrrwel

I hear Ya, I actually did consider it and...

I hear Ya,
I actually did consider it and priced it out but the costs were out of this world to convert. It was 70K to convert to a pair of Cummins B series. I know this may be hard to believe but...
Forum: Do It Yourself, Boating on a Budget
02-15-2011, 12:36 PM
Replies: 13
Views: 3,783
Posted By rrrwel

Thanks, Learning a lot here. How would I go...

Thanks,

Learning a lot here. How would I go about lowering the CR down to 9.0? Should I be looking at the cam specs that jeff1000 posted on his dyno sheet? I do always run 89 octane.
Forum: Do It Yourself, Boating on a Budget
02-15-2011, 09:49 AM
Replies: 13
Views: 3,783
Posted By rrrwel

To be more specific, this one of the builds I'm...

To be more specific, this one of the builds I'm considering. Will this be reliable for my application or is there some major weakness that I must address? Suggestions? Looking to get about 425 -450...
Forum: Do It Yourself, Boating on a Budget
02-14-2011, 09:30 PM
Replies: 13
Views: 3,783
Posted By rrrwel

The boat is a 1988 37 foot Wellcraft Cozumel...

The boat is a 1988 37 foot Wellcraft Cozumel sportfish bridge. It weighs 21000 lbs. The current engines are Crusader gen IV 454's and the transmissions are Borg Warner 72C. I normally cruise those...
Forum: Do It Yourself, Boating on a Budget
02-14-2011, 04:00 PM
Replies: 13
Views: 3,783
Posted By rrrwel

496 Stroker - Help me with a reasonable build

I'm looking for advice regarding a practical build for a 496 stroker. Kind of a long post but I need some practical advice.

What's important to note is my application for the engines are somewhat...
Forum: Do It Yourself, Boating on a Budget
02-10-2011, 07:32 PM
Replies: 8
Views: 1,370
Posted By rrrwel

Go ahead and lay your biax mat then followup with...

Go ahead and lay your biax mat then followup with 10 oz cloth. Do the top first and wrap the mat and then the cloth around the edges a few inches on the bottom. Hopefully the 1708 will wrap around...
Forum: General Q & A
01-28-2011, 10:09 PM
Replies: 4
Views: 2,295
Posted By rrrwel

8.1 HO repower help

I currently have a pair of 454 inboards that I need to repower. I may have an opportunity to get a couple of Merc 8.1 HO's coming out of a boat that has IO's.

I know I'll need to convert them to ...
Forum: Do It Yourself, Boating on a Budget
01-26-2011, 10:45 PM
Replies: 8
Views: 1,370
Posted By rrrwel

You can lay your glass one right after the other...

You can lay your glass one right after the other and get the build thickness and strength desired. Don't put too much resin when you first start to wet out the glass. If you see a few spots not...
Forum: Do It Yourself, Boating on a Budget
01-26-2011, 05:29 PM
Replies: 8
Views: 1,370
Posted By rrrwel

I normally use a mairine ply coring matching the...

I normally use a mairine ply coring matching the thickness of the existing coring. I then pre-coat it using CPES, this ensures total sealing. Depending upon the stenght needed I like to lay up about...
Forum: Do It Yourself, Boating on a Budget
01-26-2011, 04:38 PM
Replies: 18
Views: 11,519
Posted By rrrwel

In my opinion any time you're going to repaint...

In my opinion any time you're going to repaint something prep work is needed. It may be just cleaning and a light scuff sanding so the new product bonds properly, or up to possibly needing to...
Forum: General Q & A
01-24-2011, 12:53 PM
Replies: 9
Views: 969
Posted By rrrwel

I looked into engines at US Engines INC. I asked...

I looked into engines at US Engines INC. I asked them some specific questions as to what componets they used to rebuild their engines and if they could supply any dyno results for torque, HP and WOT...
Forum: Do It Yourself, Boating on a Budget
01-18-2011, 04:02 PM
Replies: 18
Views: 11,519
Posted By rrrwel

I've done a few engine rooms. The easiest to use...

I've done a few engine rooms. The easiest to use is Bilgekote by Interlux. It's a one part paint designed to protect the bilge area. If you want to go one step better I would recommend Inerlux...
Forum: Do It Yourself, Boating on a Budget
01-10-2011, 11:55 AM
Replies: 49
Views: 30,287
Posted By rrrwel

Fastestonehere I know your boat well. I'm...

Fastestonehere I know your boat well.

I'm vey interested in what you're at doing because I'm looking to do the same thing on a 21000 lbs boat . First, do you have Crusader engines?

The reason...
Forum: General Q & A
01-03-2011, 06:14 PM
Replies: 3
Views: 2,511
Posted By rrrwel

468/496 stroker or 8.1 vortec

I'm looking at all my repower options and have a question.

Will a Gen 1V 454 stroked to a 468/496 perform as well and be as reliable as a Vortec 8.1? Both engines output will produce about 420 hp....
Forum: General Q & A
12-30-2010, 12:04 PM
Replies: 15
Views: 7,292
Posted By rrrwel

Thanks for all the valuable input. I've made a...

Thanks for all the valuable input. I've made a few calls and and I'm currenlty leaning towards a 496 stroker kit, although that could change. I'm really looking for the low and mid-range torque. I'll...
Forum: General Q & A
12-21-2010, 09:37 PM
Replies: 15
Views: 7,292
Posted By rrrwel

Yes - I have one reverse engine. Haxbyspeed...

Yes - I have one reverse engine.

Haxbyspeed - WOW! 35k or more! to rebuild 2 454's??? When the 8.1's were avaiable I could have bought 3 new turnkey engines for that price. I'm just looking to get...
Forum: General Q & A
12-21-2010, 07:27 PM
Replies: 15
Views: 7,292
Posted By rrrwel

454 rebuild - ugrade help

New to this forum. I came here because you guys know engines. I currently own a 37 foot Sportfish bridge boat with a pair of 1988 Crusader 454's with 1700 tired hours. I'm looking to rebulid but also...
Showing results 1 to 20 of 20


 
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