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Forum: Engine / Drive Train 10-28-2013, 11:56 AM
Replies: 153
Views: 27,611
Posted By dmaxstore
The Boat is inside for the winter. For the last...

The Boat is inside for the winter. For the last trip of the year we turned the RPM up to 3700 and it worked well. Top speed is around 40mph full of passengers. Eric at OJ props is going to send us...
Forum: Engine / Drive Train 07-22-2013, 01:12 PM
Replies: 153
Views: 27,611
Posted By dmaxstore
We are probably gooing to ad some RPM too.

We are probably gooing to ad some RPM too.
Forum: Engine / Drive Train 07-21-2013, 12:40 PM
Replies: 153
Views: 27,611
Posted By dmaxstore
We ran the 14x20 prop last weekend. It gave us a...

We ran the 14x20 prop last weekend. It gave us a bit more mid range but no additional top speed. Eric @ OJ props has been nice enough to send us a 14x15.5 to test out. We will be trying it out this...
Forum: Engine / Drive Train 07-11-2013, 04:17 PM
Replies: 153
Views: 27,611
Posted By dmaxstore
Thanks for the info.

Thanks for the info.
Forum: Engine / Drive Train 07-11-2013, 10:29 AM
Replies: 153
Views: 27,611
Posted By dmaxstore
Yes we are running 3300 rpm at WOT now and do not...

Yes we are running 3300 rpm at WOT now and do not plan on raising it with the tuning. Eric @ OJ props has been helping us with prop selection.
Forum: Engine / Drive Train 07-10-2013, 06:39 PM
Replies: 153
Views: 27,611
Posted By dmaxstore
The LMM Duramax has a Redline of 4700 rpm. We...

The LMM Duramax has a Redline of 4700 rpm. We have limited the Redline through tuning to 3300. We increased the out put speed of the prop with the new V-drive ratio. More adjustment can be made with...
Forum: Engine / Drive Train 07-10-2013, 02:05 PM
Replies: 153
Views: 27,611
Posted By dmaxstore
Currently making 360hp and 700ftlb's wich is...

Currently making 360hp and 700ftlb's wich is pretty much stock power, we will probably bump that a bit also. Yes the loaner prop is a big jump, trial and error time.:)
Forum: Engine / Drive Train 07-10-2013, 12:43 PM
Replies: 153
Views: 27,611
Posted By dmaxstore
I would love to know what the details on that...

I would love to know what the details on that prop are also. The current prop that was on the 8.1 and still on now is an OJ 14.75 x 17.5. A friend of mine is loaning us a 14x20 with a 180 cup for...
Forum: Engine / Drive Train 07-10-2013, 01:08 AM
Replies: 153
Views: 27,611
Posted By dmaxstore
So far we are running the same prop our 8.1 had....

So far we are running the same prop our 8.1 had. The top speed with it at 5k rpm was around 37mph. We did change the V-dirve from a 1.5 to 1 to a 1.29 to 1 ratio for the conversion. With the Duramax...
Forum: Engine / Drive Train 07-09-2013, 11:09 AM
Replies: 153
Views: 27,611
Posted By dmaxstore
No, we mounted 2 sets of Rigid Industries D2...

No, we mounted 2 sets of Rigid Industries D2 lights to the tower.
Forum: Engine / Drive Train 07-08-2013, 10:21 PM
Replies: 153
Views: 27,611
Posted By dmaxstore
Here are a couple more pics. Motor in before...

Here are a couple more pics. Motor in before cover installed. The custom intake with MAF sensor turned out sweet but did not work as well as we anticipated. We will need to make some tweeks in order...
Forum: Engine / Drive Train 06-25-2013, 01:53 PM
Replies: 153
Views: 27,611
Posted By dmaxstore
MAF is in and we are working on the mounting...

MAF is in and we are working on the mounting bracket today. Also finishing the electrical and should be going back in our local lake this weekend. Big trip planned for the 4th of July in Lake Tahoe.:)
Forum: Engine / Drive Train 06-18-2013, 06:19 PM
Replies: 153
Views: 27,611
Posted By dmaxstore
Probably in that ball park. Not including the...

Probably in that ball park. Not including the used motor or out time.
Forum: Engine / Drive Train 06-18-2013, 09:50 AM
Replies: 153
Views: 27,611
Posted By dmaxstore
It's still a little early to tell. The current...

It's still a little early to tell. The current tune should be around 350hp and 620ftlbs. On the first day out without a MAF sensor we were not even getting those #s. However the throttle response and...
Forum: Engine / Drive Train 06-17-2013, 11:34 AM
Replies: 153
Views: 27,611
Posted By dmaxstore
We did not have any gauges on this trip. The idle...

We did not have any gauges on this trip. The idle seemed a little high and it was hard to keep the boat under 8mph when in gear. Fine tuning will be done this week and then back to the lake.

Here...
Forum: Engine / Drive Train 06-16-2013, 11:48 AM
Replies: 153
Views: 27,611
Posted By dmaxstore
The day we have been waiting for has arrived....

The day we have been waiting for has arrived. Lake day.:D

http://i814.photobucket.com/albums/zz61/dmaxstorep/Mastercraft%20X80/BoatDiesel_zps12e2ce18.jpg...
Forum: Engine / Drive Train 06-14-2013, 10:36 PM
Replies: 153
Views: 27,611
Posted By dmaxstore
Here is a little more running video. We plan on...

Here is a little more running video. We plan on dipping it in the lake tomorrow to test out a couple more things.


http://youtu.be/97mKEHatDyM
Forum: Engine / Drive Train 06-14-2013, 07:29 PM
Replies: 153
Views: 27,611
Posted By dmaxstore
Pretty sure it is going to be very quiet on the...

Pretty sure it is going to be very quiet on the water. Its quite a bit quieter than the 8.1 gasser that came out.
Forum: Engine / Drive Train 06-14-2013, 06:25 PM
Replies: 153
Views: 27,611
Posted By dmaxstore
Shes alive: :thumb Here is a quick link....

Shes alive: :thumb Here is a quick link. Electrical is not finished and there is still plenty to do. This is a milestone for this project and we are very excited to hit the water.




Duramax...
Forum: Engine / Drive Train 06-12-2013, 11:42 PM
Replies: 153
Views: 27,611
Posted By dmaxstore
Exhaust system finished up today. Chris with...

Exhaust system finished up today. Chris with Alpine design put the TIG welder in overdrive. Got the exhaust and inter cooler pipes finished up. We will be using the factory exhaust ports with this...
Forum: Engine / Drive Train 06-11-2013, 12:37 AM
Replies: 153
Views: 27,611
Posted By dmaxstore
Fuel system is near completion. We modified the...

Fuel system is near completion. We modified the OE sending unit and pick up, it turned out pretty cool and should work very well submerged in diesel. The tried, true, and popular Airdog DF-165 fuel...
Forum: Engine / Drive Train 06-10-2013, 08:28 PM
Replies: 153
Views: 27,611
Posted By dmaxstore
Its just sitting here complete if you know anyone...

Its just sitting here complete if you know anyone who wants it. It runs great and has 392 hours on it.
Forum: Engine / Drive Train 06-10-2013, 01:57 PM
Replies: 153
Views: 27,611
Posted By dmaxstore
10-4, just talked to Eric. We will be running the...

10-4, just talked to Eric. We will be running the 14.75x17.5 we already have to get some base line #s to go by.
Forum: Engine / Drive Train 06-10-2013, 12:52 PM
Replies: 153
Views: 27,611
Posted By dmaxstore
Looking for some Prop's to test out, got the drop...

Looking for some Prop's to test out, got the drop hitch covered.;)
Forum: Engine / Drive Train 06-09-2013, 04:44 PM
Replies: 153
Views: 27,611
Posted By dmaxstore
This should make around 350 HP and 600 ftlbs....

This should make around 350 HP and 600 ftlbs. It's capable of a lot more but we are really looking for economy. We will turn it up once everything has been tested.
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